<prompt> Antiemetic Phenothiazine with labrynthine suppressant activityused for veigo is ?ProchlorperazineCinnarazineHyoscinePromethazine  <response>: Ans. is A i.e., ProchlorperazineLabyrinthine suppressants used in veigoThey suppress end organ receptors or inhibit central cholinergic pathways in vestibular nuclei.These are :?Antihistaminics with anticholinergic action - cinnarizine, cyclizine, dimenhydrinate, diphenhydramine, promethazine.Anticholinergics- atropine, hyoscine.Antiemetic phenothiazines-prochlorperazine, thiethylperazine. 