Hepavax-B Injection 10 mcg/0.5 ml is a recombinant DNA (rDNA) Hepatitis B vaccine used for the active immunization against Hepatitis B virus (HBV) infection. It helps the body develop protective antibodies, preventing serious liver diseases such as hepatitis, cirrhosis, and hepatocellular carcinoma.

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Composition

Each 0.5 ml dose contains:

• Hepatitis B surface antigen (rDNA) 10 mcg

This purified vaccine is produced using recombinant DNA technology and is designed to stimulate a strong immune response.

Indications

Hepavax-B Injection is indicated for:

• Prevention of Hepatitis B virus infection
• Routine immunization in infants, children, and adults
• Vaccination of healthcare workers and high-risk individuals
• Prevention in individuals exposed to infected blood or body fluids
• Pre- and post-exposure prophylaxis against HBV

Pharmacological Action

The vaccine works by:

• Stimulating the immune system to produce anti-HBs antibodies
• Providing active immunity against Hepatitis B virus
• Preventing viral infection and liver damage
• Establishing long-term immunological memory

Protection develops after completion of the full vaccination schedule.

Dosage & Administration

• Administered by intramuscular injection only
• Usual schedule: 0, 1, and 6 months (as per national immunization guidelines)
• Dose and schedule may vary depending on age and risk category
• Must be given by a healthcare professional
• Shake well before use
• Do not inject intravenously

Side Effects

Possible side effects include:

• Pain, redness, or swelling at injection site
• Mild fever
• Fatigue or headache
• Irritability in infants
• Rare allergic reactions

Contraindications

• Severe allergic reaction to previous dose of Hepatitis B vaccine
• Hypersensitivity to any vaccine component
• Acute severe illness (vaccination may be postponed)

Precautions & Warnings

• Observe patient for allergic reactions after administration
• Use cautiously in immunocompromised individuals
• Complete full vaccination schedule for effective protection
• Do not mix with other vaccines in the same syringe unless recommended
• Maintain proper cold chain storage

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Use in Pregnancy & Lactation

Hepatitis B vaccine may be used during pregnancy and breastfeeding when clearly indicated, especially in high-risk individuals.

Storage

• Store at 2°C to 8°C (do not freeze)
• Protect from light
• Maintain cold chain at all times
• Do not use if frozen or expired
• Keep out of reach of children.