Genevac B Paediatric Injectio belongs to the class of medication called 'biologics vaccines' or 'immunizing agents' used to prevent hepatitis B virus post-exposure. Hepatitis B is a liver infection caused by the hepatitis B virus (HBV). It is given if you have not had previous vaccination, are not properly vaccinated for hepatitis B virus, are vaccinated but ineffective and are at risk of infection. It is also used to prevent infection in infants who are born to a hepatitis-positive mother. 

Genevac B Paediatric Injectio contains ‘hepatitis B immunoglobulin’ an antibody extracted from the plasma of the infected donor that acts against the hepatitis B virus (HBV). It does not provide long-term protection against hepatitis B infection. Genevac B Paediatric Injectio is not effective in HBs antigen-positive people (infected with the hepatitis B virus).

Genevac B Paediatric Injectio may cause some common side-effects like swelling (oedema), redness, itching, bruising or hardening of the skin at the site of injection, low blood pressure, headache, dizziness, fast heart rate, being sick (vomiting), feeling sick (nausea), joint pains, back pain, fever, tiredness, and chills. Inform your doctor if any of these side effects persist or get worsen.

Do not take Genevac B Paediatric Injectio if you are allergic to human hepatitis B immunoglobulin or any other biological antiviral vaccines or have received immunoglobulin A but had an allergic reaction and were diagnosed with any blood disorders. Before taking Genevac B Paediatric Injectio, inform your doctor if you are taking any prescription or non-prescription medicines. Also, inform your doctor if you are pregnant or breastfeeding. 

Genevac B Paediatric Injectio contains antibodies that act against the hepatitis B virus (HBV) made from the human plasma of the donor infected person. It contains proteins (immunoglobulin) that help neutralize the hepatitis B virus. It is given to prevent hepatitis B in people who are undergoing liver transplantation, in babies born to mothers with hepatitis B, in people who are exposed to infected blood products, in people who had sexual contact with an infected person, and in people who are living with an infected person. It provokes the immune system to produce antibodies against the hepatitis B virus, which damages the liver. Genevac B Paediatric Injectio offers protection against the hepatitis B virus for 3-6 months. 

Before taking Genevac B Paediatric Injectio, inform your doctor if you know that you have enough IgA antibodies (act against hepatitis A), have previously been diagnosed with hypertension (high blood pressure), diabetes, blood clots, blood-related disorder, or heart disease, had vaccinations or planning to get vaccinated.  Inform your doctor even if you just feel unwell after taking Genevac B Paediatric Injectio. Seek medical attention immediately develop pain, swelling, unusual warmth of a limb, sudden shortness of breath and chest pain worsening on deep breathing, weakness on one side, difficulty speaking, or confusion.