In the providedcompounded prescription, the antifungal agent isnystatin.
* Nystatin is a polyene antifungalthat works by binding toergosterolin fungal cell membranes, causing leakage of cellular contents and fungal cell death.
* It iscommonly used for fungal infections, particularlycutaneous or mucosal Candida infections(e.g., diaper rash, oral thrush).
* A. Cholestyramine.# Incorrect. Cholestyramine is abile acid sequestrantused to lowercholesteroland treatdiarrhea(often in combination with other ingredients for skin irritation or wounds).
* B. Hydrocortisone.# Incorrect. Hydrocortisone is acorticosteroidused to reduceinflammation and itching, but it does not kill fungi.
* C. Zinc oxide.# Incorrect. Zinc oxide is askin protectantused fordiaper rash and minor burns, but it is not an antifungal.
* Lexicomp Drug Database - Nystatin Mechanism of Action.
* FDA Drug Label for Nystatin - Antifungal Properties.
* PTCB PTCE Exam Content Outline - Compounded Preparations and Active Ingredients.
* Mosby's Pharmacy Technician: Principles and Practice - Dermatologic Compounding.
Why Is Nystatin an Antifungal?Why the Other Answer Choices Are Incorrect:Pharmacy Technician References:Conclusion:Pharmacy technicians must befamiliar with drug classificationsto correctly identify active ingredients incompounded prescriptions.Nystatin is the only antifungal agentin the provided formulation.