Tinnitus on the left and tinnitus on the right can be caused by mental factors, earwax blockage and secretory otitis media. 1. Mental factors: long-term fatigue, late at night, mental stress, can cause otoneural nerve edema, ischemia and spasm, which can cause neurotinnitus symptoms, intermittent tinnitus symptoms in both ears. 2. Earwax blockage: Long-term failure to clean up earwax, earwax accumulation is more and close to the tympanic membrane, can lead to earwax blockage in the external auditory canal and cause bilateral conductive tinnitus performance. 3. Secretory otitis media: Due to the blockage of the eustachian tube, pathogen infection and immune response, secretory otitis media can be triggered, which can cause intermittent tinnitus in both ears when changing the head position, yawning or blowing the nose. If you have tinnitus on the left side of the ear and tinnitus on the right side of the ear, you should consult a doctor in time, and use medication and treatment under the guidance of a specialist, which will help to alleviate the uncomfortable symptoms as soon as possible.