This may be associated with hearing loss, medication side effect, part of aging, or a symptom of other health problems, such as allergies
, high or low blood pressure, tumors and problems in
the heart, blood vessels, jaw and neck. If you have history of allergies, this may be the primary cause. Avoiding the allergen or trigger and taking antihistamine may be very helpful. If it persists, it is best that you have this checked by your doctor or be referred to an ENT for proper evaluation.