10 Ways Motion Sickness Could Indicate Serious Health Problems

2. Other Balance Disorders

Labyrinthitis is a balance disorder that occurs when there is an infection or inflammation in the inner ear that causes loss of balance or dizziness. It is common during upper respiration infections like the flu. Ménière's disease involves episodes of hearing loss, vertigo, a ringing in the ear, and a feeling of fullness or water in the ear. It is due to a change of fluid in the labyrinth. A perilymph fistula occurs when there is a leakage of fluid in the inner ear into the middle ear. It causes feelings of unsteadiness with activity and may eventually lead to nausea and dizziness.