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58 Cards in this Set

  • Front
  • Back
Zafirlukast or Montelukast
Leukotriene Antagonists - reduce inflammation
First generation H1 Antagonists
Hydroxyzine (Atarax), Chlorpheniramine, Diphenhydramine, Cyproheptadine (Periactin)

Pass BBB; sedation
Second generation H1 Antagonists
Loratadine (Claritin) and Cetirizine (Zyrtec)

Don't pass BBB; non-sedated

Avoid use with imidazole antifungals and macrolide antibiotics
H2 Antagonists (~15% of skin “H” receptors are H2 type)
Cimetidine (Tagamet), Ranitidine (Zantac), Famotidine (Pepcid) and Nizatidine (Axid). Use caution with cimetidine (interactions!!)
Doxepin
Anti-depressant

H1 blockade is key, maybe H2
Side effects of steroid
Photosensitivty
Decreased immune system.
Methotrexate
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
Hydroxyzine !!!!!!!!!!!!!!!!!!!!!!!!!!
Diphenhydramine
Cyproheptadine
H1-receptor antagonists
First Generation
Fexofenadine
Desloratadine
Loratadine
Cetirizine
H1 receptor antagonist Second Generation
Ranitidine
Famotadine
H2 receptor antagonist
Which antihistamine drug cause weight gain?
cyproheptadine
Doxepin
Tri-cyclic antidepressant with potent H1 and H2 histamine blockade activity

Mainly used in chronic urticaria

Anticholinergic effects
What drug is used to treat Corticosteroid resistant chronic urticaria
Methotrexate -antifolate
Epipen Dose
0.3 ml / 03ml

1:1000
Epipen JR. Dose
0.15 mg / 0.3ml

1:2000
ampicillin, amoxicillin, penicillins, cephalosporins, monobactams, carbapenems
inhibitors of cell wall synthesis
tetracyclines, aminoglycosides and streptogramins
30S protein synthesis inhibitors
erythromycin, clindamycin or chloramphenicol
50S protein synthesis inhibitor
rifampin, quinolones and the “antimetabolite” sulfonamides and trimethoprim – folic acid disruption
Inhibitors of nucleic acid function or synthesis
daptomycin, polymixins
Inhibitors of cell membrane permeability/function
Do erythromycin and rifampin interact with each other?
inhibitors (erythromycin) and inducers (rifampin) of drug metabolism
ciprofloxacin
quinolone

inhibit topoisomerases to interrupt DNA functions.
Grieseofulvin
Anti-fungal

Disrupt microtubule system and mitosis

Fungistatic

Dosing issues and questions about efficacy
Terbinafine
- 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
Another similar agent to terbinafine
naftitine
Cimetidine does what do P450
inhibit cyp450
Drug interactions of Terbinafine
Rifampin decreases / Cimetidine increases plasma concentrations of Terbinafine via P450 effects
ketoconazole, miconazole are what group of azole
imidazoles
fluconazole, itraconazole, voriconazole, posaconazole are in what group of azole?
triazole
The MOA of the topical antibiotic mupirocin is inhibition of:
Leu-tRNA synthetase
80% of this drug is excreted unchanged in the urine.
Fluconazole
Drug with FDA indication for onychomycosis and better for Candida infections
Itraconazole (Sporanox)
Brand name of terbinafine
Lamisil
Best drug for onychomycosis?
Terbinafine (Lamisil)

more effective than itrconazole

Fungicidal
Drug for Tinea Pedis
Griseofulvin
Fluconazole
Terbinafine
Treatment for tinea capitis
Ketoconazole shampoo
Topical antifungal solution and lotions
Selenium sulfide
Topical steroids

Griseofulvin
Fluconazole
Itraconazole
Terbinfine
Tinea Barbae treatment
Requried oral since topical cannot penetrate hair follicles

Griseofulvin
Fluconazole
Itraconazole
Terbinafine
Tinea Corporis treatment
topical antifungal therapy
aluminum acetate for wet lesions

griseofulvin
fluconazole
ketoconazole
itraconazole
terbinafine
Treatment for Tinea cruris (jock itch
topical steroid/antifungal
powder
aluminum acetate

Griseolfulvin
Ketoconazole
fluconazole
itraconazole
terbinafine
treatment for tinea manuum
terbinafine
itraconazole
griseolfulvin
treatment for tinea manuum
terbinafine
itraconazole
griseolfulvin
Major Burn Injury
2nd degree
>25% BSA for adult
>20% BSA for children

3rd degree >10% BSA

Electrical
Moderate, uncomplicated burns
2nd degree
15-25%BSA in Adult
10-20% BSA in children

3rd degree 2-10% BSA
Minor Burn Injury
2nd degree
<15% BSA in adults
<10% BSA in children

3rd degree <2%BSA
Surgical referral is usually made for all patients with deep second or third-degree burns covering _____% BSA
3
Silver Sulfadiazine (Silvadene)
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
Mafenide Acetate (Sulfamylon)
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
silver nitrate
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
Wet dressings
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
allantoin, calamine, white petrolatum or zinc oxide
topical protectants for minor burns
oval lesion with dusky red-blue appearance

drug treatment may not be affected
fixed drug rxn
aceneiform eruptions can be caused by what drugs
contraceptive, coriscosterone, lithium, idodide
oval lesion with dusky red-blue appearance

drug treatment may not be affected
fixed drug rxn
aceneiform eruptions can be caused by what drugs
contraceptive, coriscosterone, lithium, idodide
FDA warnings of itraconazole
CHF
Hepatoxicty
True/False. Systemic antibiotics are not effective for burn patients.
True - due to poor circulation at burn.
allograft
human skin
xenograft
pig skin