This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Antifungal drug not used in the treatment of intestinal candidiasis: 
Select and explain. 
A. Amphotericin, B. Nystatin, C. Ketoconazole, D. Clotrimazole
D: Clotrimazole
Answer: D: Clotrimazole 
Explanation: Clotrimazole is effective in the topical treatment of tinea infections, skin infections and oral thrush. For oropharyngeal candidiasis 10 mg troche of clotrimazole is allowed to dissolve in the mouth 3–4 times a day, or the lotion/gel is applied/swirled in the mouth for as long as possible. Clotrimazole is primarily used as a topical agent and has not been documented in the use for intestinal candidiasis.