Ménière’s disease (also called idiopathic endolymphatic hydrops) is one of the most common causes of dizziness originating in the inner ear.
Caffeine

GERD and LPR
When acid refluxes from the stomach into the esophagus, it is known as gastroesophageal reflux disease (GERD). If stomach acid travels up the esophagus into the throat, it is known as laryngopharyngeal reflux (LPR).