





Hepabsv 100IU Injection
Written By Dr. Anuj Saini, MMST, MBBS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 29 Apr 2026 | 01:02 PM (IST)

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Product introduction
Hepabsv 100IU Injection is normally given along with the hepatitis B vaccine. It comes from human blood plasma and is given by an injection into a large muscle such as your thigh or buttock. Your doctor will inject the prescribed dose after analyzing your condition. It should be given as soon as possible after the risk of infection is identified. If it is delayed too long, it may not be effective. This medicine is not a vaccine and will not provide long-term protection from hepatitis B.
This medicine may sometimes cause side effects like flushing, gastrointestinal disturbance (stomach pain and upset, nausea, vomiting), headache, dizziness, and injection site reactions (pain, swelling, and redness). If you get any of these, or other reactions, or just feel unwell, you should tell your doctor. There may be ways of preventing or reducing these effects. Any serious reaction to the injection is rare.
Before using it, you should tell your doctor if you have kidney disease, any problems with blood clotting and if you have recently had, or plan to have a vaccination. It is not known whether this medicine is completely safe during pregnancy or breastfeeding so please take advice from your doctor.
Uses of Hepabsv Injection
Benefits of Hepabsv Injection
Hepabsv 100IU Injection is used to protect against infection by the hepatitis B virus. Hepatitis B is an infection of the liver caused by a virus. It can be spread from a mother to her newborn baby, by sharing needles and other equipment during drug use, by having sex with an infected person, by having a tattoo or body piercing and by sharing contaminated toothbrushes or razors. Hepatitis B can be serious, but it does not always cause obvious symptoms.
Hepabsv 100IU Injection is given by an injection into a muscle as soon as possible after exposure to a risk and will help prevent infection. It is recommended for all infants and children up to age 18 years and adults in high-risk groups. This medicine does not work if you already have hepatitis B.
Side effects of Hepabsv Injection
- Flushing (sense of warmth in the face, ears, neck and trunk)
- Gastrointestinal disturbance
- Headache
- Dizziness
- Injection site reactions (pain, swelling, redness)
How to use Hepabsv Injection
How Hepabsv Injection works
Quick tips
- Hepabsv 100IU Injection is injected into the large muscle such as a buttock or thigh by a healthcare professional.
- It should be given as soon as possible (within 48 hours) once you have been exposed to hepatitis B infection.
- You must inform your doctor if you have received any vaccine recently.
- You may get pain, itching, rash or discomfort at the site of the injection. Inform your doctor if it does not go away or bothers you.
- Inform your doctor if you are pregnant, planning pregnancy or breastfeeding.
Safety advice

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References
- Immunoglobulin hepatitis B. Elstree, Hertfordshire: Bio Products Laboratory Limited; 1992 [revised Oct. 2014]. [Accessed 04 Apr. 2019] (online) Available from:
- Hepatitis B Immune Globulin (Human) [FDA Label]. Boca Raton, FL: Biotest Pharmaceuticals Corporation; 2008. [Accessed 31 Oct. 2019] (online) Available from:




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