<prompt> Antiemetic Phenothiazine with laforynthine suppressant activity used for vertigo is -ProchlorperazineCinnarazineHyoscinePromethazine  <response>: Ans. is A i.e.. Prochlorperazine Labyrinthine suppressants used in vertigoo They 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. 