Antifungal Agent -

Inhibit an earlier stage of ergosterol synthesis; commonly used for skin and nail infections.

Bind to ergosterol to create membrane pores; highly fungicidal but potentially toxic to kidneys. antifungal agent

Disrupt DNA and RNA synthesis; usually used in combination therapy. Inhibit an earlier stage of ergosterol synthesis; commonly

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Target the cell wall by inhibiting glucan synthesis; generally well-tolerated.

Inhibit ergosterol synthesis; primarily fungistatic.

The primary target for many antifungal drugs is the fungal cell membrane, specifically the molecule ergosterol. Ergosterol serves a similar function to cholesterol in human cells, maintaining membrane fluidity and integrity. Azoles, one of the most widely used classes of antifungals, work by inhibiting the enzyme 14-alpha-demethylase, which is essential for ergosterol synthesis. By depleting ergosterol and causing the accumulation of toxic precursors, azoles disrupt the fungal membrane. Another class, polyenes—such as Amphotericin B—act directly on the membrane by binding to ergosterol and forming pores, which causes vital cellular contents to leak out and leads to cell death.