Antifungals: Polyenes Flashcards
1
Q
what is the mechanism of polyenes?
A
Bind to ergosterols in fungal cell membrane causing formation of pores, leakage of cellular components and cell death
2
Q
what are examples of polyenes?
A
Amphotericin (IV)
3
Q
what is the activity of polyenes?
A
Candida spp, Aspergillus Spp, Endemic mycoses
4
Q
what are the activities of polyenes?
A
- Infusion related reactions –chills, fever, headache, nausea, vomiting
- Nephrotoxicity
- Electrolyte disturbance -↓K+, ↓Mg2+