This fact is from Corticosteroids & Antifungals in Pharmacology. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
Nystatin = topical antifungal of choice for oral candidiasis
Fluconazole = systemic antifungal of choice
Oral candidiasis with steroid inhaler = rinse mouth after use prevention
Clotrimazole troche = topical alternative
Amphotericin B = severe systemic fungal infections = nephrotoxic.