Meclizine Hydrochloride Indications Meczin is indicated in nausea, vomiting, motion sickness, vertigo. Pharmacology Meclizine has antiemetic, anticholinergic and antihistaminic properties. It reduces the sensitivity of the labyrinthine apparatus. The action may be mediated through nerve pathways to the vomiting center (VC) from the chemoreceptor trigger zone (CTZ), peripheral nerve pathways, the VC, or other CNS […]