Suggest Medication For Discharge From Ear While Having Tonsil Problem

I have tonsils problem. Its because of the water change i got cold and tonsils. Water is coming from my ears since then. I been using erythromycin 500mg from last one and half week. I used recofed along erythromycin for past 5days.Today i stopped using them. Still water is coming from my ears but i dont have tonsils problem now. Would u please suggest any other medication?