Duovir N Tablet restricts the growth of HIV in the body and reduces the risk of getting HIV-related complications to improve the lifespan of an individual. The medicine can be taken with or without food. Taking these medicines regularly at the same time increases their effectiveness. A dose of this medicine should not be missed as it can affect your recovery. It is important to complete the full course of the treatment until your doctor advises you to stop it. Sudden discontinuation of the treatment may affect the potency of the medicine.