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  • Title: Rimantadine hydrochloride and amantadine hydrochloride use in influenza A virus infections.
    Author: Tominack RL, Hayden FG.
    Journal: Infect Dis Clin North Am; 1987 Jun; 1(2):459-78. PubMed ID: 3332798.
    Abstract:
    Amantadine and rimantadine are oral antiviral drugs useful in the prophylaxis and treatment of influenza A virus infections. This article reviews the pharmacology, antiviral activity and mechanism of action, pharmacokinetics, toxicities, efficacy, and clinical applications of these agents. When administered in equivalent dosages (200 mg per day), rimantadine has prophylactic efficacy comparable to amantadine but lower potential for causing adverse effects. Despite structural similarities, these drugs differ significantly in their pharmacokinetics, and these differences may account for rimantadine's more favorable toxicity profile. Both drugs provide therapeutic benefit if administered early in uncomplicated influenza, and studies are currently in progress to determine the effectiveness of oral rimantadine in preventing or treating the serious complications of influenza A virus infections.
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