It is used to treat varicella zoster, herpes simplex virus type I and II infection, including initial and recurrent genital herpes virus infection.

Take orally, 0.3g once, twice a day, on an empty stomach before meals. For herpes zoster, take the medicine continuously for 10 days. Patients with herpes simplex were treated for 7 days. (See the instructions for details)

A broad-spectrum and effective antiviral agent with good oral absorption, high bioavailability and small side effects