Betahistine is rapidly and completely absorbed after oral administration of the drug in tablets, and peak plasma concentrations of 14 c-labelled betahistine are attained after approximately one hour of oral administration for fasting subjects. Indapamide belongs to a group of medicines called diuretics. indapamide tablets increase the amount of urine that you pass out from your kidneys. try our symptom checker got any other symptoms? try our symptom checker got any other symptoms. Betahistine is a histamine-like antivertigo drug used for treating symptoms associated with ménière's disease. it is thought to what do betahistine tablets do reduce symptoms through its actions on histamine receptors. betahistine was first approved by the fda in the 1970s but withdrawn within approximately 5 years due to a lack of evidence supporting its efficacy. A tablet is a touch screen device that resembles a very large smartphone. tablets can access the internet and act in many ways like a laptop....