Local: Topical anti-fungal (Nystatin, azoles) or oral azole (eg fluconazole)
Invasive: Intravenous Echinocandins (Caspofungin, Micafungin)
Candidiasis
CMV esophagitis
Otomycosis
HSV esophagitis
Sporotrichosis
Diphtheria 
Histoplasmosis
Pill esophagitis 