Drug Information for ANTIVERT Tablets/12.5 mg meclizine HCl ANTIVERT /25 Tablets/25 mg meclizine HCl ANTIVERT /50 Tablets/50 mg meclizine HCl (Roerig): ACTIONS

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  • Antivert is an antihistamine which shows marked protective activity against nebulized histamine and lethal doses of intravenously injected histamine in guinea pigs. It has a marked effect in blocking the vasodepressor response to histamine, but only a slight blocking action against acetylcholine. Its activity is relatively weak in inhibiting the spasmogenic action of histamine on isolated guinea pig ileum.

  • Drug Information Provided by National Library of Medicine (NLM).
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