cyclizine molecule. it is histamine h1 antagonist, is used to treat or prevent motion sickness and nausea. structural chemical

antagonist anticholinergic antiemetic antihistamine atom atomic blue carbon chemical chemistry compound cyclisine cyclizine dark dizziness flat formula histamine hydrogen hypertension icon illustration medication model molecular molecule nausea nitrogen organic oxygen piperazine premedication pressure sickness structural structure vector vertigo vomiting white