Tinnitus is an abnormal ringing, hissing, clicking or buzzing from the ear or inside the head.
It is estimated that over 25% of the population have tinnitus at least 4 times per week.
Some of the more common conditions causing tinnitus to name a few are:
External ear disorders: wax buildup, swimmer's ear
Middle ear disorders: otosclerosis, fluid or infection
Medications: Aspirin, Bumex, Lasix, Cisplatin and many different antibiotics.
Other: Hearing loss, tumors, TMJ disorders, head trauma