✅ Name:
Hepatitis B Immunoglobulin (As Licensed)
(Common abbreviation: HBIG)
📄 Description:
Hepatitis B Immunoglobulin is a sterile solution of purified immunoglobulin (IgG) containing high titers of antibodies against the Hepatitis B surface antigen (anti-HBs). It provides passive immunity for prevention of Hepatitis B infection following exposure.
💊 Prescription/Use:
- Indications:
- Post-exposure prophylaxis for:
- Infants born to Hepatitis B surface antigen (HBsAg) positive mothers.
- Sexual partners or household contacts of an acute Hepatitis B case.
- Individuals with occupational or percutaneous exposure (e.g., needle stick injury).
- Non-responders to Hepatitis B vaccination after exposure.
- Post-exposure prophylaxis for:
- Route of Administration:
- Intramuscular (IM) injection.
- Dosage:
- Infants: 0.5 mL IM within 12 hours of birth.
- Adults: Usually 0.06 mL/kg body weight IM.
- Repeat doses may be required depending on exposure and vaccination status.
🔬 Nature:
- Type: Passive immunization.
- Source: Human plasma screened for viral infections.
- Form: Liquid solution for intramuscular injection.
- High titer anti-HBs antibodies.
🌟 Advantages:
- Provides immediate protection against Hepatitis B virus (HBV).
- Essential in high-risk exposure situations, especially where vaccination alone is insufficient.
- Helps prevent vertical transmission from infected mothers to newborns.
- Safe for use in infants, children, and adults, including pregnant women.
📦 Common Packaging:
- Supplied in single-dose vials or prefilled syringes (commonly 0.5 mL or 1 mL).
- Ready-to-use liquid formulation.
- Pack includes product insert, vial/syringe, and sometimes alcohol swab.
🧊 Storage:
- Store between 2°C to 8°C (Refrigerator).
- Do not freeze.
- Protect from light.
- Do not use if the solution is discolored or contains particulate matter.
⚠️ Precautions:
- Do not administer intravenously – only IM route.
- Monitor for allergic reactions, especially in individuals with IgA deficiency.
- May interfere with live vaccines (e.g., MMR) — observe proper timing for such vaccines.
- Check the expiry date and inspect visually before use.
👩⚕️ Patient Advice:
- Inform your healthcare provider of any allergies or bleeding disorders.
- Mild pain or redness at the injection site is common.
- Notify a doctor if symptoms of allergy or infection occur after injection.
- This is not a substitute for the vaccine – Hepatitis B vaccination is still required for long-term protection.
- Avoid receiving live vaccines for about 3 months after HBIG, unless advised otherwise.

