Hi,I was prescribed Otogesic Ear drops by my ear specialist some months back for an internal infection in the ear. I tried to buy a new pack after my old one got exhausted, but am unable to find it i the market. Please can you suggest an alternative to Otogesic ear drops (Composition includes 4-Carboxymethylamino-4-amino-diphenyl sulphone, Dibucaine USP, N,N -Dihydroxymethyl carbamide