Acivir 400 DT Tablet is an antiviral medication used to treat viral infections such as herpes labialis, herpes simplex, shingles, genital herpes, and chickenpox. It works by preventing the virus from multiplying, helping to clear the infection and relieve symptoms.

This medicine should be taken exactly as prescribed by your doctor. Dissolve it in a glass of water before consumption. It can be taken with or without food, but taking it at the same time each day ensures better effectiveness. Complete the full course of treatment, even if you start feeling better. If you miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed one—do not double up. Staying hydrated is important while on this medication to prevent kidney-related side effects.

Common side effects may include headache, dizziness, nausea, vomiting, fatigue, and fever. These are usually mild and temporary, but inform your doctor if they persist or worsen. If you are pregnant, planning to conceive, or breastfeeding, consult your doctor before taking this medication.