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476 Cards in this Set

  • Front
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Mode of action: Direct-acting Cholinomimetrics
Bind to and activate muscarinic M2 and M3 receptors
Mode of action: Indirect-acting Cholinomimetrics
Inhibit acetylcholinesterase
Basics treatment of acute narrow angle glaucoma
1. Decrease pressure by re-constricting pupil
2. Re-openning the angle
Drug treatment for acute narrow angle glaucoma
muscarinic agonists plus anticholinesterase
- both cause ciliary muscle contraction
carbonic anhydrase inhibitor - decrease fluid production
Surgical treatment of acute narrow angle glaucoma
Laser peripheral iridotomy = permanent cure
Drug Class: Pilocarpine (Pilopine) drops
Muscarinic Agonist
Drug Class: Carbochol (Isopto-carbachol) drops
Muscarinic Agonist
Drug Class: Physostigmine ophth ointment
Anticholinesterase
Drug Class: Demecarium (Humorsol drops)
Anticholinesterase
Longterm treatment for Chronic Open Angle Glaucoma
Alpha-agonists and Beta-blockers and Carbonic Anhydrase Inhibitors and Prostaglandins
Actions of Cholinomimetrics in Chronic Open Angle Glaucoma
enhance drainage by causing ciliary muscle contration and thereby strectching the trabeculae
Actions of Carbonic Anhydrase Inhibtors in Chronic Open Angle Glaucoma
decrease aqueous humor production
Drug Class: Acetazolamide (Diamox)
Carbonic Anhydrase Inhibitor
Drug Class: Brinzolamide (Azopt)
Carbonic Anhydrase Inhibitor
Actions of Prostaglandins in Chronic Open Angle Glaucoma
Increase drainage
Mode of action: Direct-acting Cholinomimetrics
Bind to and activate muscarinic M2 and M3 receptors
Mode of action: Indirect-acting Cholinomimetrics
Inhibit acetylcholinesterase
Basics treatment of acute narrow angle glaucoma
1. Decrease pressure by re-constricting pupil
2. Re-openning the angle
Drug treatment for acute narrow angle glaucoma
muscarinic agonists plus anticholinesterase
- both cause ciliary muscle contraction
carbonic anhydrase inhibitor - decrease fluid production
Surgical treatment of acute narrow angle glaucoma
Laser peripheral iridotomy = permanent cure
Drug Class: Pilocarpine (Pilopine) drops
Muscarinic Agonist for Acute Angle Glaucoma
Drug Class: Carbochol (Isopto-carbachol) drops
Muscarinic Agonist - Acute Angle Glaucoma
Drug Class: Physostigmine ophth ointment
Anticholinesterase - Acute Angle Glaucoma
Drug Class: Demecarium (Humorsol drops)
Anticholinesterase - Acute Angle Glaucoma
Longterm treatment for Chronic Open Angle Glaucoma
Alpha-agonists and Beta-blockers and Carbonic Anhydrase Inhibitors and Prostaglandins
Actions of Cholinomimetrics in Chronic Open Angle Glaucoma
enhance drainage by causing ciliary muscle contration and thereby strectching the trabeculae
Actions of Carbonic Anhydrase Inhibtors in Chronic Open Angle Glaucoma
decrease aqueous humor production
Drug Class: Acetazolamide (Diamox)
Carbonic Anhydrase Inhibitor - Chronic Open Angle Glaucoma
Drug Class: Brinzolamide (Azopt)
Carbonic Anhydrase Inhibitor - Chronic Open Angle Glaucoma
Actions of Prostaglandins in Chronic Open Angle Glaucoma
Increase drainage
Drug Class: Bimatoprost (Lumigan)
Prostaglandin - Chronic Open Angle Glaucoma
Actions of Nonselective Alpha-Agonists in Chornic Open Angle Gluacoma
Increase drainage
Drug class: Dipivefrin (Propine)
Nonselective Alpha Agonist - Chronic Open Angle Glaucoma
Actions of Alpha-2 Agonists in Chornic Open Angle Glaucoma
Decease humor production
Drug class: Aproclonidine (Iopidine)
Alpha-2 Agonist - Chronic Open Angle GLaucoma
Action of Beta-Blockers in Chronic Open Angle Gluacoma
Decrease humor production
Drug Class: Betaxolol (Betoptic)
Beta-Blocker for Chornic Open Angle Glaucoma
Use of Cholinomimetrics in GI and Urinary Tracts
Used in conditions in which smooth muscle activity is depressed in the absence of obstruction: Post-Op Ileus, Urinary Retention and Reflux Esophagitis
Drug Class: Bethanechol (Urecholine)
Muscarinic Agonist - GI and Urinary Tract
Drug Class: Neostigmine (Prostigmin)
Anticholinesterase - GI and Urinary Tract
Most popular remedies for GERD
H2 blockers and PPIs
Drug used to diagnose Myasthenia Gravis and assess the level of longterm treatment
Edrophonium (Tensilon)
Give Tensilon and patient's weakness (fatiguability) does not improve
Patient is over-medicated
Given Tensilon and patient's weakness does improve
Patient is under-medicated
Drug Class: Succinylcholine
Depolarizing Agent - Neuromuscular Blockade
Drug Class: Atracurium
Non-Depolarizing Agent - Neuromuscular Blockade
Action of Anticholinergic in Neuromuscular Blockade
Block the nicotinic NM receptors on the muscle fibers by competing with Ach thereby preventing depolarization of the muscle fiber membrane
Remove neuromuscular blockade
Reversed by injecting an anticholinesterase that will increase the amount Ach and its half-life at the motor endplate
Drug Class: Neostigmine (Prostigmin)
Anticholinesterase - removing neuromuscular blockade
Drug Class: Pyridostigmine (Mestinon)
Anticholinesterase - remove neuromuscular blockade
Action of Insecticides
Orhanophosphates that kill via irreversible anticholinesterase activity - cause excessive parasympathetic vetative manifestations
DUMBLES
Diarrhea, Urination, Miosis, Bronchorrhea, Bronchospasm, Bradycardia, Excitation, Lacrimation, Salivation
Antidote for Insecticide
Atropine (hyoscyamine) - blocks all muscarinic receptors
Action of Antimuscarinic
Block transmission between the parasympathetic postganglionic fiber and the target organ
Drug Class: Dicyclomine (Bentyl)
Semisynthetic tetiary ammonium analgue of Atropine
Drug Class: Tropicamide (Mydriacil)
Semisynthetic tetiary ammonium analgue of Atropine
Drug Class: Dimenhydrinate (Dramamine)
Antihistamine
Drug Class: Diphenhydramine (Benadryl)
Antihistamine
Drug Class: Amitriptyline (Elavil)
Tricyclic Antidepressant
Drug Class: Haloperidol (Haldol)
Antipsychotic
Drug Class: Chlorpromazine (Thorazine)
Antipsychotic
Action of Antimuscarinic in Fundoscopic Exam
Cause pupillary dilation and paralyze the ciliary body
Drug Class: Tropicamide (Mydriacil)
Antimuscarinic - Fundoscopic Exam
Drug Class: Cyclopentolate (Cyclogil)
Antimuscarinic - Fundoscopic Exam
Action of Antimuscarinic in IBS
Reduce vagal-muscarinically-induced gastric acid secretion
Drug Class: Glycopyrrolate (Robinul)
Antimuscarinic - IBS
Drug Class: Dicyclomine (Bentyl)
Antimuscarinic - IBS
Drug Class: Atropine + Diphenoxylate (Lomotil)
Antimuscarinic - Traveler's Diarrhea and GI Hypermotility
Drug Class: Loperamide (Imodium A-D)
Antimuscarinic - Traveler's Diarrhea and GI Hypermotility
- need to be sure the patient does not have C. diff Colitis
Drug Class: Oxybutynin
Antimuscarinic - Overactive bladder and Urge Incontinence
Action of Antimuscarinic in Asthma and COPD
Permit bronchodilation and facilitate breathing. Inhalent forms limit systemic antimsucarinic side effects
Drug Class: Ipratropium (Atrovent)
Antimuscarinic - Asthma and COPD
Drug Class: Tiotropium (Spiriva)
Antimuscarinic - Asthma and COPD
Combivent is a combination of what two drugs
Ipratropium and Albuterol
Action of Antimuscarinic in Motion Sickness
Prevent nausea and vomiting
Drug Class: Scopolamine (Transderm Scop)
Antimuscarinic - Motion Sickness
Drug Class: Dimenhydrinate (Dramamine)
Antihistamine with antimuscarinic effects - Motion Sickness
Drug Class: Meclizine (Antivent)
Antihistamine with antimuscarinic effects - Motion Sickness
Pathophysiology of Alzheimer's
Loss of cholinergic neurons in the nucleus blasalis of Mayner
Pathophysiology of Parkinson's
Loss of dopaminergic neurons in the substantia nigra
Pathophysiology of Huntington's
Degeneration of the frontal lobes, and of the caudate and putamen (of the basal ganglia)
Pathophysiology of Amyotrophic Lateral Sclerosis
Degeneration of the upper motor neurons (corticospinal tract) and lower motor neurons (alpha motor neurons)
Causes of Secondary Parkinson's
Antipsychotic drugs ("neuroleptics") block dopamine receptors leading to dyskinesias called extrapyramidal symptoms
Strategy in Treatment of Parkinson's
Restore dopaminergic transmission and/or antagonize the cholinergic overbalance
Drug Class: Levodopa
Precursor of dopamine that crosses the blood brain barrier
Drug Class: Carbidopa
Dopa-decarboxyalse inhibitor - used to prevent levopada from being decarboxylated in the tissues
Drug Class: Sinemet
Levodopa + Carbidopa
Action of Selegiline
Inhibits MAO-B. Increases dopamine levels in the brain, enchances the effects of levodopa and decreases the required dose of levodopa
Action of MAO-A inhibtors
Used as antidepressants because they increase norepinephrine and serotonin
Drug Class: Phenelzine (Nardil)
MAOI
Drug Class: Tranylcypromine (Parnate)
MAO-A Inhibitor
If you combine MAO-A inhibitor and an SSRI or TCA what happens?
Hypertensive Crisis
Action of Catecholamine-O-methyltransferase (COMT) inhibitor
Prevents Levodopa from being metabolized by COMT into 3-O-methyldopa which competes with the levodopa for transport into the brain
Drug Class: Entacapone
COMT Inhibitor - prevents the "wearing off" phenomenon of the benefit of levodopa
Action of ergotamine dopamine receptor agonist in Parkinson's
Improve Parkinson symptoms also cause vasoconstrictuion which can exacerbate peripheral vascular disease
Drug Class: Bromocriptine
Erogatime Dopamine Receptor Agonist - Parkinsons
Drug Class: Pergolide
Erogatime Dopamine Receptor Agonist - Parkinsons
Action of Non-ergotamine dopamine receptor agonist
Improve Parkinson symptoms, but are not vasoconstrictors
Drug Class: Ropinirole
Non-ergotatime dopamine receptor agonist - Parkinsons
Drug Class: Pramipexole
Non-ergotamine dopamine receptor agonist - Parksinsons
Off-label use of Ropinrole
Restless-leg syndrome
Action of Antimuscarinic in Parkinsons
Eliminate the cholinergic overbalance
Side effects of Anticholinergics
Dry mouth, Blurred vision, Constipation, Urinary retention, Mydriasis
Action of Acetylcholinesterase Inhibitors in Alzheimer's
Prolongs the action of Ach thereby increases brain cholinergic function in the form of thinking, memory, and the ability to recognize one's own spouce
Drug Class: Donepizil (Aricept)
Acetylcholinesterase Inhibitors
Drug Class: Rivastigmine (Exelon)
Acetylcholinesterase Inhibitor
Side effects of Acetylcholinesterase Inhibitors
Nausea, Vomiting, Diarrhea
Location of Alpha 1A receptors
Prostate Smooth Muscle
Antagonist of Alpha 1A receptors causes
Increased Urinary Stream
Drug Class: Tamsulosin (Flomax)
Alpha 1A Antagonist
Location of Alpha 1B Receptors
Arterioles & Veins
Antagonist of Alpha 1B Receptors causes
Vasodilation
Drug Class: Doxazosin (Cardura)
Alpha 1B Antagonist
Agonist of Alpha 1B Receptors causes
Vasoconstriction
Drug Classes: Epinephrine/Norepinephrine
Alpha 1B Agonist, Beta 1 Agonist, Beta 2 Agonist
Location of Alpha 2 Receptors
Medullary Vasomotor Center
Agonism of Alpha 2 Receptrors causes
Decreased Sympathetic Tone
Drug Class: Clonidine (Catapres)
Alpha 2 Agonist
Locations of Beta 1 Receptors
Heart and Kidney
Antagonist of Beta 1 Heart Receptors Causes
Decreased heart rate and Decreased Contractitily
Antagonist of Beta 1 Kidney Receptors causes
Decreased Renin produce leads to Decreased blood pressure
Drug Class: Propranolol (Indera)
Beta 1 Antagonist
Agonist of Beta 1 Heart Receptors causes
Increased heart rate and Increased contractility
Agonist of Beta 1 Kidney Receptors causes
Increased Renin
Locations of Beta 2 Receptors
Airways and Arterioles
Agonist of Beta 2 Airway Receptors causes
Bronchodilation
Agonist of Beta 2 Arteriole Receptors causes
Increased vasodilation
Drug Class: Albuterol
Beta 2 Agonist
Side Effect of Flomax (Alpha 1A Blocker)
Postural Hypotension - blocks Alpha 1B reptors as well
Side Effects of Doxazosin (Alpha 1B Blocker) - three
Increased Urinary stream in BPH (blocks alpha 1A)
Postural Hypotension and Nasal Congestion(blocks arteriolar alpha 1B)
Side Effects of Decongestants - Three
Nasal Decongestion and Increased Blood Pressure (agonist arteriolar alpha 1b)
Palpitations (agonize beta 1 in heart)
Side Effects of Propranolol (Beta 1 Blocker)
Shortness of Breath (blocks beta 2)
Side Effects of Albuterol (Beta 2 Agonist)
Palpitations (agonize Beta 1)
Non-selective Beta Blocker
Propranolol
Selective Beta Blocker (2)
Atenolol & Metoprolol
Combined alpha 1 blocker and non-selective beta blocker (2)
Labetalol & Carvedilol
Actions of Beta Blockers lead to
Decreased Cardiac work & O2 Consumption leading to Decreased BP
Uses of Beta Blockers (4)
Chronic Angina, Status Post-MI, Migraine prophylaxis, Hyperthyroid symptoms
Drug Class: Timolol
Beta Blocker for Open Angle Glaucoma to decrease aqueous humor secretion
How Beta Blockers control Hypertension
Block the beta receptors in the juxtaglomerular apparatus leading to decreased renin leading to decreased angiotensin II and decreased aldosterone
Do not give non-selective beta blockers to which patients
Asthma and Emphysema Patients
Why not give beta blockers to diabetic patients
Mask the sympathetic warning signs (tremor and tachycardia) of hypoglycemia
Do not discontinue beta blocker abruptly.. why?
Preciptate dysrhythmia
Adverse effects of Beta blockers
Increased Triglycerides & Decreased HDL
Erectile dysfunction
Exercise intolerance
Labetalol indicated for
hypertension of pregnancy and hypertensive emergency
Uses of Diuretics (5)
Heart Failure
Hepatic Ascites
Nephrotic Syndrome
Hypertension
Diabetes Insipidus
Why Thiazide Diuretics are called Ceiling Diuretics?
Maximal diuretic or anti-hypertensive effects at reletively low doses - no extra effect at higher doses
Drug Class: Hydrochlorothiazide
Thiazide Diuretic
Drug Class: Chlorothalidone
Thiazide Diuretic
Action of Thiazide Diuretics
Decrease Na reabsorption in the distal convoluted tubule
When are Thiazide Diuretics not effective?
GFR <30 ml/min
Creatine Clearance <50 ml/min
Uses of Thiazide Diuretics
Treatment of Hypertension and Congestive Heart Failure
Side Effects of Thiazide Diuretics
Increased K excretion leading to hypokalemia
Increased Hydrogen excretion leading to metabolic alkemia
Decreased uric acid secretion leading to gout
Drug Class: Furosemide (Lasix)
Loop Diuretic
Drug Class: Bumetanide
Loop Diuretic
Action of Loop Diuretic
Decrease Na reabsorption in the thick ascending limb of Loop of Henle
Decrease renal vascular resistance & Increase renal blood flow
Patient with severe renal impairment would need a _____ diuretic
Loop Diuretic
Drug of choice for pulmonary edema of heart failure
Loop Diuretic
Diuretic useful in treating hypercalcemia and hyperkalemia
Loop Diuretic - Increase Ca and K excretion
Side Effects of Loop Diuretics (2)
Ototoxicity - especially when given with aminoglycoside
Shock
Loop diuretic most likely to cause ototoxicity
Ethacrynic acid
Drug Class: Triamterene
K-Sparing Diuretic
Drug Class: Amiloridine
K-Sparing Diuretic
Drug Class: Spironolactone
K-Sparing Diuretic
Side effect of K-Sparing Diuretic
Hyperkalemia
K-Sparing resemble sex-steroids and may be lead to ...
Gynecomastia and Menstrual Abnormalities
Drug Class: Mannitol
Osmotic Diuretic
Action of Osmotic Diuretic
Holds water in the tubular fluid leading to increase urine
Mannitol must be given by what route
IV
Common Uses for Mannitol (3)
Maintain tubular fluid flow after ingestion of toxic substances
Prevent acute renal failure due to circulatory shock
Treat (lower) Increased intracranial pressure
Three ways to lower blood pressure
Dump some fluid
Dilate vessels
Decrease HR and Contractility
Common drug that interferes with renal Na retension and interferes with good effects of many anti-hypertensive drugs
NSAIDS
Treatment for mild HTN
Thiazide diuretic
Treatment for HTN not controlled with thiazide
switch to beta blocker
Treatment of HTN not controlled by beta blocker
add a thiazide
Treatment of HTN not controlled by thiazide and beta blocker
Vasodilator
African Americans with HTN respond best to
Thiazide and Calcium Channel Blockers
Elderly with HTN respond best to
Thiazides, Calcium Channel Blockers and ACE Inhibitors
Young White with HTN respond best to
ACE Inhibitors
Drug Class: Captopril
ACE Inhibitor
Drug Class: Enalapril
ACE Inhibitor
Action of ACE Inhibitors
Block production of Angiotensin II therefore causes Vasodilation, decreased aldosterone and decreased circulating fluid volume
Drug of choice for diabetic patients with HTN
ACE Inhibitors - renal protective by decreasing glomerular pressure
Side Effects of ACE Inhibitors
Dry cough and angioedema from increased bradykinin
Hyperkalemis
Why are ARBs better than ACEs
Less chance of angioedema & dry cough
Drug Class: Nidefipine
Dihydropyridine Calcium Channel Blocker
Drug Class: Amlodipine
Dihydropyridine Calcium Channel Blocker
Drug Class: Verapamil
Non-dihydropyridine Calcium Channel Blocker
Drug Class: Diltiazem
Non-dihydropyridine Calcium Channel Blocker
Action of Calcium Channel Blocker
Selective for vascular smooth muscle
Hypertension
Peripheral Vascular Disease
Raynauds
Drug that dilates coronary vessels and used to treat angina
Calcium Channel Blockers
Used to treat Supraventricular Tachycardia
Calcium Channel Blockers
Side Effects of Calcium Channel Blockers
Peripheral Edema
Flushing
Headache
Constipation
Side Effects of 1st Generatoin Antihistamines
Sedative Effects - cross the blood brain barrier
Dry mouth & eyes, blurred vision
Urinary retention & constipation
Anti-emetic
Relieve Itch
Drug Class: Diphendydramine (Benedryl)
1st Generation Antihistamine
Drug Class: Promethazine (Phenergan)
Antihistamine with anti-emetic activity
Drug Class: Meclizine (Antivert)
Antihistmaine with anti-emtic and anti-vertigo activity
Drug Class: Bentropine (Cogentin)
Antihistamine used to treat EPS
3 Classes of Anti-emetics
Antihistamines/Anticholinergics
Dopamine Antagonist
Serotonin Antagonist
Used to Treat nausea due to chemo or radtion therapy
Anti-emtic Dopamine Antagonist and Anti-Emtic 5-HT3 Antagonist
Drug Class: Prochlorperazine (Compazine)
Anti-Emetic Dopamine Antagonist
Drug Class: Trimethobenzamide (Tigan)
Anti-Emetic Dopamine Antagonist
Drug Class: Ondansetron (Zofran)
Anti-emetic 5-HT3 Antagonist
Drug Class: Lorazepam (Ativan)
Anti-emetic for Anticipatory Nausea
Advantages of 2nd Generation Antihistamines
Do not have peripheral anticholinergic effect
Do not have sedative or anti-emetic effects
Drug Class: Desloratadine (Clarinex)
2nd Generation Antihistamine
Drug Class: Cetirizine (Zyrtec)
2nd Generation Antihistamine
Use of Zonalon (Dexepin)
Pruritis due to atopic dermatitis
Use of Acular (Ketorolac) ophth. solution
NSAID for ocular itch of allergic conjunctivitis
Use of Patanol ophth. solution
Antihistamine + mast cell stabilizer for ocular itch of allergic conjunctivitis
Use of Astelin (Azelastine)
1st Generation antihistamine nasal spray for nose itch of allergic rhinitis
Only oral decongestant not combined with something else
Sudafed (pseudoephedrine)
Never give an antihistamine to whom
Patient with sinusitis...can lead to mucus brick
Why never give a person with a productive cough an antitussive
increased chance bronchitis will become pneumonia
Drug Class: Flonase (Fluticasone)
Nasal steroid
Drug Class: Nasonex (Mometasone)
Nasal Steroid
Uses of Muscle Relaxants
"The aching back"
Unexplained localized muscle spasm
Generalized spasticity cause by stroke, cerebral palsy, or MS
Action of Valium
Facilitates the membrane-stabilizing effects of the inhibitory transmitter GABA
Drug of choice for status epilecticus
Valium (Diazepam)
Drug Class: Valium (Diazepam)
Anxiolytic - sedative for general anxiety
Centrally Acting Muscle Relaxant
Drug Class: Lioresal (Baclofen)
Centrally Acting Muscle Relaxant
Drug Class: Dantrium (Dantrolene)
Non-centrally acting muscle relaxant
Action of Dantrolene
Inhibits excitation-contraction coupling
Drug of Choice for Malignant Hyperthermia
Dantrolene
Use of Flexeril
Recommended for "acute muscle spasm"
Drug Class: Flexeril (Cyclobenzaprine)
Muscle Relaxant
Three classes of Penicillins
Pencillins, Extended spectrum penicillins (aminopenicillins), and antistaphylcoccal penicillins
Action of Penicillins
Inhibit bacteria cell wall synthesis thereby inhibiting bacterial growth
Penicillin and Ampicillin are active against what organism, and ineffective against what
Active against Streptococcus pyogenes, ineffective against Staphylcoccus aureus
What penicillin is stable against penicillinase?
Nafcillin
Most common side effects of Penicllin
Hypersensitivity reaction
-skin rash is the most common manifestation, anaphylaxis is rare
If patient has experienced an anaphylactic reaction to penicillin they should only receive ...
Non-beta-lactam antibiotics
Penicillin antibiotic indicated for Enterococcus and Streptococcus
Ampicillin
Effective against beta-lactase-producing Staphylococcus
Nafcillin
Effective against all stages of syphillis
Penicillin G
Tetracycline or Doxycline in penicillin allergic
Carbapenems (Imipenem) is reserved for what type of infections
Highly resistant organisms, septicemia, bone and joint infections
Potential serious side effect of Carbapenems
Seizure
Beta-Lactam Inhibitors are effective against what organisms
anaerobes and Pseudomonas aeruginosa
Augmentin is made of
amoxicillin + clavulante
Timentin is made of
Ticarcillin + clavulante
Second generation cephalosporins are effective against what?
Gram-negatives
Mainstay of therapy for bacterial meningitis
Third generation cephalosporins
Most common adverse effect of cephalosporins
Hypersensitivity reactions such as skin rashes and hemolytic anemia
Patients with a history of anaphylaxis to penicillin should not receive what other antibiotic
Cephalosporins
Cefepime is a 4th generation cephalosporin effective against what organism?
Pseudomonas aeruginosa
Antibiotics for the management of respiratory tract infections
Macrolides
Macrolides are effective against what organisms (5)
Streptococcus pneumonia, Streptococcus pyogenes, Legionella pneumophila, Mycoplasma pneumonia and Chlamydia pneumonia
Drug of choice for Whooping Cough
Erythromycin
Drug Class: Clarithromycin
Macrolide
Drug Class: Azithryomycin
Macrolide
Primary cause of non-gonococcal urethritis
Chlamydia trachomatis - followed by Ureaplasma urealyticum
Drug of choice for non-gonoccal urethritis
Tetracycline - Doxycycline
Adverse effect of Tetracyclines
Photosensitivity - avoid prolonged exposure to sunlight
Drug of choice for Lyme Disease
Doxycycline - also kills Ehrlichiosis
Side Effects of Tetracycline in children <8
Discolor teeth and inhibit bone growth
Complicated UTIs
UTIs in men, elderly individuals, pregnant women, patients with in dwelling catheters
Agents for Uncomplicated UTIs
TMP-SMX, fluroquinolones and nitrofurantoin
Used for treatment in Traveler's diarrhea
Ciprofloxacin (Cipro)
Antibiotic not safe during pregnancy
Fluroquinolones
Drug Class: Levofloxacin
Fluroquinolone
Drug of choice for Pneumocystis carinii
Bactrim
Used in the treatment of infections due to enteric gram-negative bacteria
Aminoglycosides
Side effects of Aminoglycosides
Ototoxicty and Nephrotoxicity
Presentation of Ototoxicity
Tinnitus, high-frequency hearing loss, vertigo and ataxia
Presention of Nephrotoxicity
Increase in serum creatinine or Decreased Creatinine clearance
Tobramycin and Gentamicin are effective against what
Pseudomonas
Most common cause of catheter-induced infections
Coagulase-negative staphylococcus - Staph. epidermis
other cause include Staph aureus and Candida albicans
Side Effects of Vancomycin
"Red man" Syndrome, Phlebitis and Ototoxicity combined with known ototoxic agent
Effective against MRSA and MRSE
Vancomycin
Indications for Vancomycin
IV for sepsis and endocarditis due to MRSA
PO for C. difficile colitis
Agents used in the treatment of intra-abdominal infections
Metronidazole and Clindamycin
Metronidazole has activity against what organisms
Gram-negative anaerobes
Clindamycin has activity against what organisms
Gram positive and Gram-negative anaerobes
Treatment of choice for amoebiasis, giardiasis and trichomoniasis
Metronidazole
Side effect of Metronidazole
Disulfiram-like reaction when consumed with alcohol
Side Effect of CLindamycin
Antibiotic associated colitis
Drug of choice for antibiotic-associated colitis
Metronidazole
Four antiviral agents for Influenza
Amatadine, Rimantadine, Zanamivir, and Oseltamivir
When should antiviral for Influenza be started
Within 2 days of onset of symptoms
Antivirals effective against only Influenza A
Amatadine and Rimantadine
Antiviral effective against Influenza type A and B
Zanamivir and Oseltamivir
Antivirals for Herpes Type 1 and 2 (3)
Acyclovir (Zovirax)
Famciclovir (Famvir)
Valacyclovir (Valtrex)
Antiviral for Cytomegalovirus
Ganciclovir (Cytovene)
Risk for invasive candidal infection
Immunocompromised or diabetic, prolonged hospitalization, use of indwelling catheters, parentral nutrition and antibiotics
Drug Class: Ketoconazole
Systemic Azole antifungal
Drug Class: Fluconazole
Systemic Azole antifungal
Drug Class: Iatroconazole
Systemic azole antifungal
Two topical azole antifungals
Miconazole and Clotrimazole
Adverse Effects of Amphotericin B
Infusion-related reaction and adverse effects on kidneys
Patients on Amphotericin B shoulde be premedicated with what
Diphenhydramine and ASAP or NSAIDS
Three organisms that cause Tuberculosis
Mycobacterium bovis, Mycobacterium africanum and M. tuberculosis (most common)
Four agents used in MTB (Mycobacterium tuberculosis)
Isoniazid, Rifampin, Pyrazinamide and Ethambutol
Side effect of TB drugs
Hepatotoxicity - particularly Isoniazid and Rifampin
Side effect of Isoniazid
Peripheral neuropathy
Side effect of Ethambutol
Optic neuritis
Prediposes patients to Digoxin Toxicity
Electrolyte imbalance
Common signs of Digoxin Toxicity
Nausea, vomiting, anorexia, arrhthmias, confusion, hallucinations and visual disturbances
Treatment of mild digoxin toxicty
Stop digoxin and treatment of hypokalemia
Treatment of severe digoxin toxicity
Digoxin immune Fab (Digiband)
Mechanism of action of Nitrates
Decrease preload and myocardial oxygen demand
Drug of choice for relieving angina
Nitrates
Preparation of choice for quick relief of exertional angina
Short-acting nitrates in sublingual tabs or translingual sprays
Drug Class: Isosorbide dinitrate and Isosorbide mononitrate
Long-acting nitrates
Long-acting nitrates indicated when:
Number, severity, and duration of attacks increases
How to prevent tolerance of nitrates
10-12 hour nitrate-free interval
Combining Nitrates with Viagra can lead to:
Hypotension
Complications of Unfractionated Heparin
Osteoporosis, Heparin-induced Thombocytopenia
Unfractionated Heparin requires monitoring of what lab
aPTT
Drug Class: Enoxaparin
Low-Molecular Weight Heparin
Drug Class: Dalteparin
Low-Molecular Weight Heparin
Advantage of LMWH
Involve less monitoring, and rarely cause thrombocytopenia
Length of time Warfarin needs to take effect
4-5 days
Treatment of "supratherapeutic" INR >9 caused by Warfarin
low dose of Vitamin K
Anticoagulant contraindicated in pregnancy
Warfarin
Aspirin is contraindicated when:
Clopidogrel or Ticlopidine being used
Anitplatelet shown to decrease overall mortality of the treatment of ACS
Aspirin
Two GpIIb/IIIa Inhibitors
Tirofiban and Abciximab
Drug of choice for Osteoarthritis (pain)
Acetominophen
Indication for NSAIDS in pain
Those not provided adequate pain control on Acetominophen
Indication for COX-2 Inhibitors in pain
Risk for adverse GI effects from NSAIDS
Less potent Opioids used for mild to moderate pain (3)
Codeine, Hydrocodone, and Prooxyphene
Opioids for Moderate to Severe Pain (5)
Morphine, Methadone, Hydromorphone, Meperidine and Fentanyl
Side Effect of Opioids
Somnolence and Constipation
Myoclonus with high doses
Respiratory distress - most dangerous advers effect
Opioid Antagonists
Naloxone and Naltrexone
Antidepressant used in treatment of neuropathic pain
Amitriptyline (Elavil)
Anticonvulsant used to treat neuropathic pain (2)
Carbamazepine (Tegretol) and Gabapentin (Neurontin)
Long-acting Opioids (3)
Sustained-released Oxycodone and Morphone, and Transdermal fentanyl
Benefits of Transdermal fentanyl over morphine
Improved sleep quality, Reduced constipation and emesis, Long-term pain relief
Treatment for Tension Headache
Analgesics - Acetaminophen or NSAIDS (ibuprofen or naproxen)
Agent most commonly used for headache prophylaxis
Amitriptyline
Cause of Migraine headaches
Vasodilation of blood vessels
Drug class in treatment for migraine headaches
Serotonin Agonists
Used in treatment of moderate to severe migraines (2)
Ergotamine and Dihydroergotamine
Associated symptoms of Migraine
Nausea and gastric stasis
Drug Class: Zolitriptan
Serotonin Agonist
Drug Class: Naratriptan
Serotonin Agonist
Drug Class: Rizatriptan
Serotonin Agonist
Drug Class: Almotriptan
Serotonin Agonist
Drug Class: Frovatriptan
Serotonin Agonist
Action of Serotonin Agonist
Vasoconstriction
Contraindication for use of ~triptans
HTN and angina
Migraine Prophylaxis
Amitripytline, Beta-blockers and Ca-channel blockers
Anitconsulvant known to cause hypersensitivity reaction
Phenytoin
Potential fatal reactions to anticonvulsants
Erythema multiforme, Exfoliative dermatitis, Toxic epidermal necrolysis
Treatment for status epilepticus
IV Valium
IV Phenytoin
IV Phenobarbital
No response than general anesthesia
Drug of choice for absence seizures
Zarontin (Ethosuximide)
Drug of choice for Partial Seizures
Tegretol (Carbamazepine)
Anticonvulsant used in the treatment of Trigeminal neuralgia
Tegretol (Carbamazepine)
First-line agent for Diabetes after lifestyle modifications
Metformin
Advantages of Metformin
Does not cause hypoglycemia when used alone
Does not cause weight gain
Action of Metformin
Decreases hepatic glucose output
Action of Sulfonylureas
Are insulin secretagoues causing insulin secretion
Adverse Effects of Sulfonylureas
Hypoglycemia and Weight Gain
Signs and Symptoms of Hypoglycemia
Anxiety, sweating, tremor, fatigue, confusion, blurred vision and coma
Drug Class: Glipizide (Glucotrol)
Insulin secretagogue (Sulfonylurea)
Drug Class: Repaglinide (Prandin)
Insulin secretagogue
Mechanism of Rosiglitazone (Avandia)
Decreases insulin resistance
Actions of Insulin
Promotes the cellular uptake of glucose into fat and skeletal muscle and inhibits hepatic glucose output
What is the "basal/bolus" concept?
Basal insulin secretion is about 50% of the body's total daily insulin requirement and prandial insulin approximately 40% to 60% (10% to 20% at each meal)
Use of rapid and short-acting insulins
Prandial insulin replacement
Use of Intermediate and Long-acting insulins
Basal insulin replacement
Drug Class: Lispro
Rapid acting insulin
Drug Class: Aspart
Rapid acting insulin
Drug Class: Regular Insulin
Short-acting insulin
Drug Class: NPH
Intermediate acting insulin
Drug Class: Lente
Intermediate acting insulin
Drug Class: Ultralente
Long acting insulin
Drug Class: Glargine
Long acting insulin
Treatment for DKA
Regular insulin IV
Where is cholesterol found in the body?
Used to form cell membranes
Precursor to bile acids and steroid hormones
How is CHD related to levels of HDL?
Inverse related
A lipid profile should be taken when:
9-12 hours after a fast
Four Classes of Lipid-Lowering Medications
HMG-CoA Reductase Inhibitors (Statins), Bile Acid Sequestrants, Nicotinic Acid, and Fibric Acid
Mechanism of Statins
Decrease Cholesterol synthesis
Adverse Effects of Statins
Myopathy/Rhabdomyolysis
Increased LFTs
Headache
Drug Class: Atrovastatin
Statin
Mechanism of Fibric Acids
Increased VLDL Catabolism
Adverse Effects of Fibric Acids
Myopathy
Increased LFTs
Drug Class: Gemfibrozil
Fibric Acid
Mechanism of Nicotinic Acid
Decreased VLDL Secretion
Adverse Effects of Nictonic Acid
Flushing
Increased LFTs
Drug Class: Niacin
Nicotinic Acid
Mechanism of Bile Acid Sequestrants
Bind bile cholesterol in the gut
Adverse Effects of Bile Acid Sequestrants
Bloating
Drug Class: Cholestyramine
Bile Acid Sequestrant
Agent for Hyperlipidemia that causes the greatest increase in HDL
Niacin
How to prevent flushing caused by niacin
Take an aspirin or other NSAID 30 minutes before
Agent for Hyperlipidemia used to lower very high TGs
Fibric acid
Treatment options for Hyperthyroidism
Partial or complete thyroidectomy, radioactive iodine (RAI) treatment, thioamide therapy
Action of Thioamides
Inhibit thyroid hormone synthesis - does not affect thyroid hormone stores
Agents used for short-term symptomatic relief in hyperthyroidism
Beta-blockers and iodides
Duration of Thioamide treatment
12 months or longer
Drug Class: Methimazole (Tapezole)
Thioamide
Drug Class: Propylthiouracil (PTU)
Thioamide
Agent used to treat Hypothyroidism
Levothyroxine (Synthroid)
Quick-relief asthma medications
Inhaled B2-agonist
Systemic Corticosteroids
Long-term control asthma medications taken on a daily basis
Anti-inflammatory agents (inhaled corticosteroids, mast cell stabilizers), long acting B2-agonist, methylxanthines, Leukotriene modifiers
Indications for long-term asthma medication
Patient experiences symptoms more than twice weekly
Local reactions of inhaled corticosteroids
Dysphonia (hoarseness) and oral candidiasis - minimized by using a space and rinsing
Drug Class: Albuterol (Proventil)
Short-acting Beta2 Agonist - Asthma
Drug Class: Pirbuterol (Maxair)
Short-acting Beta 2 Agonist - Asthma
Drug Class: Triamcinolone (Azmacort)
Steroid Inhaler - Asthma
Drug Class: Budesonide (Pulmicort)
Steroid Inhaler - Asthma
Drug Class: Salmeterol (Serevent)
Long-acting Beta 2 Agonist - Asthma
Drug Class: Formoterol (Foradil)
Long-acting Beta 2 Agonist - Asthma
Drug Class: Montelukast (Singulair)
Leukotriene Modifier
Drug Class: Nedcromil (Tilade)
Mast cell Stabilizer
Treatment for Status Asthmaticus
Oral Prednisone
IV Methylprednisolone
Only drug show to decrease morbidity of COPD
Oxygen
Symptoms of Acute Exacerbation of COPD
Worsening dyspnea, production of purulent sputum, and acute respiratory distress
Agents effective for acute exacerbation of COPD
Inhaled B2-Agonist (Albuterol) and Anticholinergic Agents (Ipratropium)
Agent used in asthma not appropriate for use in COPD
Inhaled corticosteroids
Drug Class: Tioptropium (Spiriva)
Long acting anticholinergic inhibitor
Leading cause of chronic liver disease in the US
Hepatitis C
Leading cause of cirrhosis
Hepatitis C
Transmision of Hepatitis C
Exposure to infected blood
Goal of therapy in chronic HCV
Prevent progression of the disease to cirrhosis
FDA-approved drugs for Hepatitis C
Interferon-alpha
Intergeron-alpha plus oral Ribavirin
Indications of progestin-only contraceptives
Contraindications to estrogens
Experience intolerable side effects
Reasons Progeston-only pills are not preferred treatment
less effective than COC pills
Associated with greater incidence of dysmenorrhea, amenorrhea, irregular menses and break-through bleeding
Drug Class: Depo-Provera
Intramuscular injectable contraception
Drug Class: Norplant
Surgically placed subdermal implant contraception
Advantages of COC use
Decrease risk of endometrial and ovarian cancer
Uses of Hormone Replacement Therapy in Menopause
Reduce symptoms of hot flashes, insomnia, irritability, vaginal atrophy and vagina dryness
Women with an intact uterus on HRT require:
Combination of estrogen and progesterone to reduce risk of hyperplasia and endometrial cancer
Contraindications to Hormone Replacement Therapy
Pre-existing cardiovascular disease
Short term use of HRT causes
Increased risk for cardiovascular events due to thrombogenesis
Long term use of HRT causes
Decreases the risk of hip fracture
Four ways to reduce risk of vertebral and nonvertebral fracture
Use of daily Vitamin D and elemental calcium
Selective estrogen receptor modulators (SERMs such as raloxifene)
Bisphosphonates
Calcitonin
Action of Bisphosphonates
Inhibit bone resorption by inhibiting osteoclast activity
Drug Class: Alendronate
Bisphosphonate
Drug Class: Risidronate
Bisphosphonate
Stage I GERD
Intermittent heartburn - typically resolve with lifestyl modication, antacids, or OTC H2-receptor antagonists
Stage II GERD
Unrelieved by antacids or H2-blockers
Requires proton-pump inhibitors
Drug Class: Metoclopramide (Reglan)
Promotility agent = Prokinetic agents
Stage III GERD
Involves erosive GERD characterized by dysphagia and odynophagia
Requires long-term therapy with PPI
Drug of choice for Stage II or III GERD
PPIs
Action of promotility agents in GERD
Facilitate gastric emptying by increasing LES pressure and decrease the chance of regurgitation
Bacteria found in 90% of patient with duodenal ulcers and 70% of gastric ulcers
Helicobacter pylori
Treatment of H. pylor positive dyspepsia
Treatment aimed at eradicating bacteria and alleviating symptoms: Antisecretory agents and combination antibiotics (Amoxicillin, Clarithromycin, Metronidazole, Tetracycline and Bismuth subsalicylate)
Treatment of H. pylor negative dyspepsia
Empiric antisecretory drugs or prokinetic agents
Drug Class: Cimetidine (Tagemet)
H2-Blocker
Drug Class: Famotidine (Pepcid)
H2-Blocker
Drug Class: Esomeprazole (Nexium)
PPI
Definition of Inflammatory Bowel Disease
Ulcerative colitis (UC) and Crohn's disease
Chronic with periods of exacerbations and remissions
Location of Ulcerative Colitis
Colon and rectum
Location of Crohn's disease
Throughout the gastrointestinal tract
Fissure, Strictures and Abdominal masses are asscoiated with what inflammatory bowel disease?
Crohn's disease
Symptoms of Ulcerative Colitis
Chronic diarrhea and rectal bleeding
Treatment of Ulcerative Colitis
Anti-inflammatory medications, corticosteroids and sulfasalazine
Treatment for severe Ulcerative Colitis
Parenteral corticosteroids
Topical steroids in Inflammatory Bowel Disease
Limited to distal colon or rectum
Anyone on oral steorids for weeks or months requires:
bisphosphonate to prevent steroid-induced osteoporosis
Used to maintain remission of IBD
Aminosalicylates
Drug Class: Mesalmine
Aminosalicylate
Drug Class: Sulfasalazine
Aminosalicylate
Options for treating acute gout attacks
NSAIDs, Colchicine and Corticosteroids
Drug of choice for Acute Gout
NSAIDs - Indomethacin, Naproxen, Ibuprofen
Colchicine is less efficacy to resolve the gouty pain unless used within 24 hrs
Drug Class: Indomethacin
NSAID - Gout
Indication for Colchicine
Patient with gout who cannot tolerate NSAIDS
Side effects of Colchicine
Severe diarrhea
Indications for Corticosteroids in Gout
Patient cannot tolerate NSAIDs or Colchicine
Side effects of Corticosteroids
Glucose intolerance, HTN, electrolyte shifts, increased risk of infection
Prophylaxis of Gout
Uric acid-lowering agents, but should not be started until the acute attack resolves
Drug Class: Allopurinol
Uric acid lowering agent
Drug Class: Probenecid
Uric acid lowering agent
Mechanism of Uric Acid-Lowering Agents
Cause mobilization of urate crystals - can prolong an acute attack
Two drugs contraindicated for patients with a history of gout
Hydroclorothiazide and Loop Diuretics as they decrease the clearance of uric acid
Drug of choice for over producers of uric acid
Allopurinol
Foundation of Rheumatoid Arthritis Treatment
NSAIDs as they reduce joint swelling and pain
Indications for DMARDs
Patient has signficiant morning-stiffness or fatigue, persistent elevated ESR or CRP
Advantages of DMARDs
Potential to reduce or prevent joint damage
Drug Class: Methotrexate (Rheumatrex)
DMARD
Drug Class: Azathioprine (Imuran)
DMARD
Drug Class: Hydroxychloroquine (Plaquenil)
DMARD
Adverse Effect of Hydroxychloroquine
Possible Retinal Toxicity therefore need routine eye exams