Antiviral drugs may be useful in early stages of some virus infections or to prevent recurrences or reactivation in chronic infections. Most drugs exert their effects only during certain stages of viral replication and many are relatively toxic for the host when used systemically. In general, chemotherapy of virus infections in animals is uncommon with limited applications, mainly in topical treatment of ophthalmic infections.
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Relenza
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Tamiflu
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Epivir
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Rebetol
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Retrovir
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Symmetrel
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Zerit
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