A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.
Topical antiviral agents are applied locally to treat viral infections. Different antiviral agents have different mechanisms of action but they all inhibit production of viruses that cause disease. Topical agents are used to treat viral conditions such as cold sores (facial herpes simplex).
See also
Medical conditions associated with topical antivirals:
- Cold Sores
- Herpes Simplex
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