Adult Herpes simplex 200 mg 5 times daily for 5 days.
Severely immunocompromised patient 400 mg 5 times daily for 5 days.
Suppression of herpes simplex 200 mg qds or 400 mg bd, interrupted periodically at 6-12 mth intervals.
Prophylaxis of herpes simplex 200 mg qds.
Severely immunocompromised patient 400 mg qds.
Herpes zoster & varicella 800 mg 5 times daily for 7 days.
Treatment & prophylaxis of herpes simplex Childn ≥2 yr Adult dose,
<2 yr ½ adult dose.
Varicella infections Childn >6 yr 800 mg qds for 5 days,
2-6 yr 400 mg qds for 5 days,
<2 yr 200 mg qds for 5 days.
Severe renal impairment Herpes simplex 200 mg bd at approx 12 hrly interval.
Herpes zoster & varicella 800 mg bd at approx 12 hrly interval.
Moderate renal impairment Herpes zoster & varicella 800 mg tds at approx 8 hrly interval.