This medication is an antiviral agent, prescribed for herpes zoster(shingles). It is also used to treat recurring cold sores and to treat or suppress recurring genital herpes. It works by stopping the spread of the herpes virus in the body.

'Hypersensitivity.

The dose and length of treatment depends on patient's condition.
The recommended dose range is 125mg to 1.5gm/day in divided doses.

It comes as a tablet to take by mouth, with or without food.

• ♦ Caution should be exercised in patients with history of kidney disease liver disease and pregnancy.

♦ Headache, diarrhea, nausea, confusion, fever vomiting, angioedema, abdominal pain and dizziness.

Avoid excess dosage.

Store it at room temperature and in an airtight container, keep away from children.