 [ Symptoms ] how long will it take for the hearingto return after a double ear infection it is been 22 days now i have seen an ent and finished one round of antibotics as well as had 2 shots the ent said it could be weeks to months before all the fluid is gone it this true [ Disease ] it is hard to say but many things can temporarily stain the tongue including pepto bismol candy throat lozenges etc it may be that one of the materials stained his tongue i would not be too concerned