☛ A buildup of earwax

☛ Taking too much of antibiotics

☛ Intake of too much of alcohol

☛ Eardrum rupture

☛ Dental or Temporomandibular problems

☛ Direct injuries to ear or head

☛ Injury to the ear due to radiation therapy

☛ Excessive dieting and weight loss

☛ Repeated exercise with the neck

☛ High blood pressure, Migraine, Multiple Sclerosis, Neurological disorder, etc.