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| Drug | 5-day regimens for initial infection | Episodic treatment for recurrent infection | Suppressive treatment |
|---|---|---|---|
| Aciclovir | 400 mg orally, 8-hourly for 5 days | 800 mg 3 times daily for 2 days | 200–400 mg orally, 12-hourly |
| Famciclovir | 250 mg, 8-hourly for 5 days | 1 g orally, 12-hourly for 1 day | 250 mg orally, 12-hourly |
| Valaciclovir | 500 mg orally, 12-hourly for 5 days | 500 mg orally, 12-hourly for 3 days | 500 mg daily |
