Revac Adult Injection is a prescription medicine. This combination of three vaccines is used to prevent Hepatitis B infection. It stimulates the immune system to act against microorganisms to prevent such infections. Revac Adult Injection is to be administered by a healthcare professional. It may cause redness, pain, and swelling at the site of injection. However, this is temporary and usually resolves on its own. Do not skip any doses and follow your doctor’s instructions carefully to get maximum benefit. Revac Adult Injection is generally safe to use with minimal side effects. However, it may cause a few side effects such as tiredness, and flu-like symptoms. Please consult your doctor if these do not subside or bother you. Your doctor will suggest ways to cope up with the side effects. Before taking it, inform your doctor if you are suffering from any liver or kidney problems. Pregnant and breastfeeding mothers should consult their doctor before taking it.