Which drug is used in treatment of veigo
Ans. is 'a' i.e., Cinnarizine Veigo is due to labyrinthine disorder and the impulse utilizes cholinergic muscarinic and H1 histamic receptors (similar to motion sickness). So, the drugs used are antimuscarinic, phenothiazines (phenothiazines have anticholinergic propey) and antihistaminics. Cinnarizine (act by inhibiting influx of Ca" into endolymph) and betahistine. (a histamine) analogue improve blood circulation to the inner ear can be used in Meniere's disease.
Cinnarizine
Metoclopramide
Cisapride
None