he has tinnitus
. what is his age? and is this worsening. since it is unilateral, on left ear, he has damage to left ear.
Tinnitus in left ear: , High Blood Pressure
menieres disease, rule out any cause.
Most cases of tinnitus should be evaluated by an ear, nose, and throat physician before home treatment begins to be sure that the tinnitus is not caused by another treatable problem.