Take this medication by mouth with or without food, usually 2 to 5 times a day as directed by your doctor. Drink plenty of fluids while taking this medication unless your doctor directs you otherwise.
If you are using the liquid form of this medication, shake the bottle well before each dose. Carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.
This medication works best when started at the first sign of an outbreak, as directed by your doctor. It may not work as well if you delay treatment.
Dosage is based on your medical condition and response to treatment. In children, dosage is also based on weight.
This medication works best when the amount of drug in your body is kept at a constant level. Therefore, take this drug at evenly spaced intervals. To help you remember, take it at the same times each day.
Continue to take this medication until the full prescribed amount is finished. Do not change your dose, skip any doses, or stop this medication early without your doctor's approval.
Tell your doctor if your condition persists or worsens.