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Antifungal
Antifungal
20
Pharmacology
Professional
07/22/2012

Additional Pharmacology Flashcards

 


 

Cards

Term
Amphotericin B
Definition
forms pores in fungal wall by interacting with ergosterol
Term
Amphotericin B
Definition
adverse effects:
azotemia (urea in blood), flush, chills, fever, phelbitis, headache, anemia, respiratory stridor,, reversible decreased renal function
Term
Flucytosine
Definition
deamination to 5-FU inhibits fungal DNA synthesis
Term
Flucytosine
Definition
only base analog antifungal
Term
Flucytosine
Definition
adverse effects:
reversible bone marrow suppression
Term
Nyastin
Definition
similar to Amphotericin B
too toxic for parenteral use
foul taste, n/v/d
Term
Amphotericin B
Definition
used in systemic infections (unlike nyastin)
causes renal dysfunction and fever
Term
Flucytosine
Definition
very few side effects because human cells do not perform rxn
Term
Imidazoles
Definition
inhibit enzyme in ergosterol synthesis
Term
Itraconazole
Definition
can cross BBB w/ inflammation
best drug for immunocompromised
(AIDS pts with histoplasmosis)
prophylactic
Term
Fluconazole
Definition
can cross BBB w/out inflammation
(cryptococcus meningitis in AIDS)
Term
Ketoconazole
Definition
only antifunal routinely used systemically.
can interfere with steroid synthesis
not good for preggo/nursing & CNS infections
Term
-azoles
Definition
adverse effects:
Nausea, vomiting (it should be
administered with food). Heptatoxicity. Effects on host steroids. Fluconazole increases
plasma levels of phytoin, zidovudine, cyclosporine, and warfarin.
Term
Griseofulvin
Definition
bacteriostatic
inhibits mitotic spindle formation (M-phase)
Term
Griseofulvin
Definition
adverse effects:
rare but severe neuro disturbances
leukopenia and neutropenia
Term
Echinocandins
Definition
Caspofungin, Micafungin, and Anidulafungin
Term
Anidulafungin
Definition
inhibits glucan synthase = inhibits cell wall synthesis
(B 1 3 D glucan)
Term
Micafungin
Definition
Treats esophageal candidasis and candida abdominal infections
Term
Caspofungin
Definition
tx pneumocystis carinii infection
Term
Terbinafine
Definition
inhibits fungal squalene monooxygenase
approved for tinea capitis
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