This medication is given by injection into a vein as directed by your doctor, usually every 8 hours. It should be injected slowly over 1 hour. Do not inject rapidly. Start this medication as soon as signs or symptoms of a herpes infection occur. The dosage is based on your medical condition, weight, and response to treatment.

If you are giving this medication to yourself at home, learn all preparation and usage instruction from your health care professional. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely.

This medication works best when the amount of medicine in your body is kept at a constant level. Use this drug at evenly spaced intervals.

Continue to use this medication until the full prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may result in a return of the outbreak.

Drink plenty of fluids while receiving this medication unless your doctor directs you otherwise.

Tell your doctor if your condition lasts or gets worse.