Comvac 4 HB Injection

Comvac 4 HB Injection is a combination medicine used to prevent diphtheria, tetanus, pertussis and chronic hepatitis B virus (HBV) infection. It helps in developing immunity by initiating a mild infection. It helps the immune system to produce antibodies (proteins) to protect against any future infections. Comvac 4 HB Injection should be injected by a doctor or healthcare professional. It is given via muscle in the anterolateral region of the thigh of infants and young children. You should not take it if you have any known allergy from this injection. Do not skip any doses and follow your doctor’s instructions carefully to get maximum benefit. The most common side effects include redness at the injection site, tenderness, irritability, vomiting, loss of appetite and fever. If any of these side effects or any other symptoms which you think are because of this medicine persist for a longer duration, please inform your doctor.