What Causes Ear Ache And Discharge?

My left ear is paining for two days , hearing less, little blockage . I have used candibiotic ear drop 2, 3, drops two , times for one day ,I also used buds to clean , its still paining and little sticky redbrown colour semi liquid coming out . What to do now ? Wht ear drop to be used ? Should I continue using candibiotic ear drop ?