 [ Symptoms ] i have had tinnitus for 12 years in my left ear suddenly i have tinnitus in my right ear and my left ear is fine how  i went to doctors got hearing tests got mri is etc the doctors said it was just inner ear damage even though i listened to music at a low volume and had never been to a concert after 12 years suddenly my other ear is ringing and my left ear is fine i tested this by making soft noises on my left side that i had not been able to hear i am confused about how suddenly my ears decided to trade tinnitus does this mean i have brain tumor after all  and yes i know i should see a doctor [ Disease ] if overdose is suspected contact your local poison control center or emergency room immediately us residents can call the us national poison hotline at 1 800 222 1222 canadian residents should call their local poison control center directly symptoms of overdose may include severe drowsiness slowedreduced reflexes slowed breathing fainting loss of consciousness