A muscle relaxant (Myonal) was used to treat in 184 cases of tinnitus. The reasons that a muscle relaxant was selected are:
1. Muscle tension increases tinnitus.
2. Some drugs that increase muscle tension produce tinnitus as a side effect.
3. Biofeedback training and lidocaine are effective in the treatment of tinnitus. There was a statistically significant difference (P<0.01) between the muscle relaxant group and the control group. Muscle relaxants appear to be effective in the treatment tinnitus.