Astvir 500mg Injection should only be administered by a healthcare professional It is important to avoid selfadministration of this medication It is typically given as a slow intravenous IV infusion over a onehour period to prevent kidney damage It is recommended to drink plenty of water while undergoing treatment with this medication as it helps prevent dehydration and kidney damage Common side effects may include vomiting nausea and increased liver enzymes You may also experience injection site reactions such as pain swelling or redness If any of these side effects persist for an extended period it is important to inform your doctor If you are pregnant planning to conceive or breastfeeding please consult your doctor before using this medication