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Hepatitis B Vaccine (rDNA)
INFORMATION ABOUT HEPATITIS B VACCINE (RDNA)
How Hepatitis B Vaccine (rDNA) works
Hepatitis B Vaccine (rDNA) is a vaccine which helps develop immunity by initiating a mild infection. This type of infection does not cause illness but stimulates the body's immune system to produce antibodies (proteins) to protect against any future infections.
Common side effects of Hepatitis B Vaccine (rDNA)
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common
Diarrhea, Fatigue, Decreased appetite, Inflammation of the nose
CONTENT DETAILS
Written By
Dr. Anuj Saini
MMST, MBBS
Reviewed By
Dr. Rajeev Sharma
MBA, MBBS
Last updated
28 Mar 2025 | 06:31 AM (UTC)
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Expert advice for Hepatitis B Vaccine (rDNA)
  • Inform your doctor before taking the vaccine if you have a weakened immune system due to cancer, use of anti-cancer drugs, dialysis or HIV infection.
  • Inform your doctor before taking the vaccine if you are old, obese or if you smoke.
  • Tell your doctor if you fainted during earlier vaccination with hepatitis B or if you have problems with blood clotting or if you have hepatitis B infection or live in an area prone to hepatitis B infection.
  • Do not drive or operate heavy machinery as the vaccine may make you feel dizzy.
  • Tell your doctor if you are pregnant, planning to become pregnant or are breastfeeding.
  • Do not take if allergic to hepatitis B or any other vaccines or any of its ingredients.
  • Do not take if having fever.
Frequently asked questions for Hepatitis B Vaccine (rDNA)
Everyone should get vaccinated with Hepatitis B Vaccine (rDNA). All infants, beginning at birth, all children aged up to 19 years who have not been vaccinated previously and persons with chronic liver disease, other than hepatitis B (e.g. cirrhosis, fatty liver disease, etc.) or those with HIV infection must also get this vaccination. Additionally, suspected sexual partners of hepatitis B-positive persons or victims of sexual assault (rape) or abuse are also advised to get vaccinated with Hepatitis B Vaccine (rDNA) to be protected against Hepatitis B infection.
No. In most cases, the symptoms of hepatitis B infection is resolved within 4-8 weeks but person remain infected for lifetime. In some cases, however, symptoms may persist for a longer time (chronic infection)
Yes. Hepatitis B infection symptoms, if present for a longer time, may cause chronic infection, liver cirrhosis or liver cancer and can also be life threatening.
Yes. Hepatitis B virus infection is contagious.
Yes. Hepatitis spreads through contact with the body fluids including saliva, blood, semen etc. of the infected person.
Mild fever may occur after hepatitis B vaccine administration. Contact your doctor if your fever worsens or does not go away.