Terconazole is a drug that is classified as an antimycotic and azole antifungal drug. The main purpose of this drug that is prescribed for is the treatment of a vaginal fungal infection by the name vulvovaginal candidiasis, also known as a yeast infection. This drug comes in a form of a lotion or cream. Studies indicate that it is effective for the condition. Terconazole is a drug used in the treatment of vaginal yeast infections. More specifically, the drug is used against the Candida microbe. Terconazole is applied as a topical cream, which is directly applied to the site of infection. Terconazole is an antifungal drug, one which works by disrupting fat synthesis in Candida cells. Fats are essential to the integrity of the cell wall. Once fat production has been affected, the cell collapses, ruptures, and dies. Terconazole is a broad-spectrum antifungal drug, meaning it can be used for a wide variety of fungal infections. Terconazole is associated with its own range of potential side effects. Among them include headaches, body pain, stomach pain, and vaginal discomfort.