Antifungals Flashcards
drug used for superficial mycoses
clotrimazole/lotrimin topical
amphotericin B
gold standard systemic antifungal
broad spectrum
used for life threatening infections
toxicity
amphotericin B MOA
binds ergosterol in fungal cell membrane forming pores which lead to increased permeability and cell death
azole antifungals
flucanoazole, etc
inhibit CYP450
block formation of ergosterol - static
most used systemic antifungal
fluconazole
fluconazole
lacks toxicity
good oral bioavailability
active against c albicans
limited spectrum
echinocandins
caspofungin, micafungin, etc MOA: cause disruption of fungal cell wall causing cell death IV only well tolerated and few interactions limited spectrum
indications for nystatin
topical
ring worm, tinea pedis, tinea cruris, oral candidiasis, vaginal candidiasis
what is used for dermatophyt/nail infections
Terbinafine - interferes with ergosterol biosynthesis