Hi,I am suffering from bad breath..always my tongue is white and there is white lesions on that..because of that always there is bad breath..that keep annoying me,. There is loss of taste means some metallic kind of taste,not sure actually this sulphuric kind or rusted egg type of taste persists. I went through sinus surgery because of this,my sinus is ok,stomach is ok,I went for endoscopy as well..nothing is there but still I have bad breath and white tongue..means I am not getting my taste well.dont know please help me out to get rid of this.