This antiviral drug is an amphipathic molecule which consists of a long hydrocarbon chain that ends with an -OH group. It inhibits the fusion of the human host cell with the viral envelope of the Herpes Simplex virus, thus preventing its replication. It is an OTC medication.

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Docosanol is an antiviral drug that matches the description given. It is amphipathic, with a long hydrocarbon chain ending in an -OH group, and it works by inhibiting the fusion between the human host cell and the viral envelope of the Herpes Simplex virus, preventing the virus from entering cells and replicating. It is available over-the-counter (OTC) for the treatment of herpes labialis (cold sores).

This Antiviral Drug Is an Amphipathic Molecule Which Consists of a Long