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58 Cards in this Set
- Front
- Back
Zafirlukast or Montelukast
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Leukotriene Antagonists - reduce inflammation
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First generation H1 Antagonists
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Hydroxyzine (Atarax), Chlorpheniramine, Diphenhydramine, Cyproheptadine (Periactin)
Pass BBB; sedation |
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Second generation H1 Antagonists
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Loratadine (Claritin) and Cetirizine (Zyrtec)
Don't pass BBB; non-sedated Avoid use with imidazole antifungals and macrolide antibiotics |
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H2 Antagonists (~15% of skin “H” receptors are H2 type)
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Cimetidine (Tagamet), Ranitidine (Zantac), Famotidine (Pepcid) and Nizatidine (Axid). Use caution with cimetidine (interactions!!)
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Doxepin
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Anti-depressant
H1 blockade is key, maybe H2 |
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Side effects of steroid
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Photosensitivty
Decreased immune system. |
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Methotrexate
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Anti-metabolites
Folic acid analog used to inhibit DHFR avoid drug interactions with other folate antagonists(trimethoprim/sulfas) and avoid co-administration with aspirin or NSAIDs that displace the drug from protein binding sites and promote toxicity |
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Hydroxyzine !!!!!!!!!!!!!!!!!!!!!!!!!!
Diphenhydramine Cyproheptadine |
H1-receptor antagonists
First Generation |
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Fexofenadine
Desloratadine Loratadine Cetirizine |
H1 receptor antagonist Second Generation
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Ranitidine
Famotadine |
H2 receptor antagonist
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Which antihistamine drug cause weight gain?
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cyproheptadine
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Doxepin
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Tri-cyclic antidepressant with potent H1 and H2 histamine blockade activity
Mainly used in chronic urticaria Anticholinergic effects |
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What drug is used to treat Corticosteroid resistant chronic urticaria
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Methotrexate -antifolate
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Epipen Dose
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0.3 ml / 03ml
1:1000 |
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Epipen JR. Dose
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0.15 mg / 0.3ml
1:2000 |
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ampicillin, amoxicillin, penicillins, cephalosporins, monobactams, carbapenems
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inhibitors of cell wall synthesis
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tetracyclines, aminoglycosides and streptogramins
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30S protein synthesis inhibitors
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erythromycin, clindamycin or chloramphenicol
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50S protein synthesis inhibitor
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rifampin, quinolones and the “antimetabolite” sulfonamides and trimethoprim – folic acid disruption
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Inhibitors of nucleic acid function or synthesis
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daptomycin, polymixins
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Inhibitors of cell membrane permeability/function
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Do erythromycin and rifampin interact with each other?
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inhibitors (erythromycin) and inducers (rifampin) of drug metabolism
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ciprofloxacin
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quinolone
inhibit topoisomerases to interrupt DNA functions. |
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Grieseofulvin
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Anti-fungal
Disrupt microtubule system and mitosis Fungistatic Dosing issues and questions about efficacy |
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Terbinafine
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- antifungal
- inhibit conversion of squalene --> lanosterol; squelen epoxidase - Well-absorbed, but suffers 40% metab due to first pass effect in liver; 99% protein bound so watch PK of other meds - T1/2 up to 200-400 hrs |
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Another similar agent to terbinafine
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naftitine
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Cimetidine does what do P450
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inhibit cyp450
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Drug interactions of Terbinafine
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Rifampin decreases / Cimetidine increases plasma concentrations of Terbinafine via P450 effects
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ketoconazole, miconazole are what group of azole
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imidazoles
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fluconazole, itraconazole, voriconazole, posaconazole are in what group of azole?
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triazole
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The MOA of the topical antibiotic mupirocin is inhibition of:
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Leu-tRNA synthetase
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80% of this drug is excreted unchanged in the urine.
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Fluconazole
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Drug with FDA indication for onychomycosis and better for Candida infections
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Itraconazole (Sporanox)
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Brand name of terbinafine
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Lamisil
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Best drug for onychomycosis?
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Terbinafine (Lamisil)
more effective than itrconazole Fungicidal |
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Drug for Tinea Pedis
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Griseofulvin
Fluconazole Terbinafine |
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Treatment for tinea capitis
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Ketoconazole shampoo
Topical antifungal solution and lotions Selenium sulfide Topical steroids Griseofulvin Fluconazole Itraconazole Terbinfine |
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Tinea Barbae treatment
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Requried oral since topical cannot penetrate hair follicles
Griseofulvin Fluconazole Itraconazole Terbinafine |
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Tinea Corporis treatment
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topical antifungal therapy
aluminum acetate for wet lesions griseofulvin fluconazole ketoconazole itraconazole terbinafine |
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Treatment for Tinea cruris (jock itch
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topical steroid/antifungal
powder aluminum acetate Griseolfulvin Ketoconazole fluconazole itraconazole terbinafine |
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treatment for tinea manuum
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terbinafine
itraconazole griseolfulvin |
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treatment for tinea manuum
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terbinafine
itraconazole griseolfulvin |
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Major Burn Injury
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2nd degree
>25% BSA for adult >20% BSA for children 3rd degree >10% BSA Electrical |
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Moderate, uncomplicated burns
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2nd degree
15-25%BSA in Adult 10-20% BSA in children 3rd degree 2-10% BSA |
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Minor Burn Injury
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2nd degree
<15% BSA in adults <10% BSA in children 3rd degree <2%BSA |
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Surgical referral is usually made for all patients with deep second or third-degree burns covering _____% BSA
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3
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Silver Sulfadiazine (Silvadene)
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topical antimicrobial
agent of choice broad spectrum pentrate eschar tissue lack good water solubility not useful for established infection free of acid/base & electrolyte disurbances systempic abospritoin (neutropenia) do not use in pregnancy |
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Mafenide Acetate (Sulfamylon)
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water soluble
penetrate eschar areas best for contaimnated burn wounds or if bacterail growth is evidence adr: inhibit carbonic anhydrase --> increase carbonate excretion and hyperventilation -->metabolic acidosis |
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silver nitrate
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antimicrobial
solution applied to multilayered gauze dressing --> "wet dressing" anticipate loss of electrolytes --> be prepared to replace them not useful for established infection --> must apply immediately |
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Wet dressings
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Aluminum Acetate (Burow’s Solution)
Actions - Mild germicidal and astringent activity Potassium Permanganate Actions – Moderate germicidal activity; not astringent Silver Nitrate Actions – Good germicidal and astringent activity Acetic Acid Actions – Good germicidal and astringent activity |
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allantoin, calamine, white petrolatum or zinc oxide
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topical protectants for minor burns
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oval lesion with dusky red-blue appearance
drug treatment may not be affected |
fixed drug rxn
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aceneiform eruptions can be caused by what drugs
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contraceptive, coriscosterone, lithium, idodide
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oval lesion with dusky red-blue appearance
drug treatment may not be affected |
fixed drug rxn
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aceneiform eruptions can be caused by what drugs
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contraceptive, coriscosterone, lithium, idodide
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FDA warnings of itraconazole
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CHF
Hepatoxicty |
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True/False. Systemic antibiotics are not effective for burn patients.
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True - due to poor circulation at burn.
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allograft
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human skin
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xenograft
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pig skin
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