Can I Breastfeed with Hepatitis B? Risks and Immunity - Pediatrics

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Can a mother with hepatitis B breastfeed?


Hello doctor, my son is currently 2 years and 2 months old.
Since I have hepatitis B, he received the hepatitis B immunoglobulin at birth and also received the hepatitis B vaccine.
He was breastfed until about one year old, and now that his sister has been born this month, he is breastfeeding again.
Recently, we went to the hospital for a blood test and found that he does not have hepatitis B antibodies.
Can he still breastfeed? Is there a risk of contracting hepatitis B through breastfeeding? How is it possible that he has no antibodies after receiving the immunoglobulin? Thank you.

Ms. Chen, 30~39 year old female. Ask Date: 2016/01/13

Dr. Xiao Kaiwen reply Pediatrics


Mothers with hepatitis B can still breastfeed, as breastfeeding does not transmit hepatitis B.
Newborns should receive hepatitis B immunoglobulin within 24 hours to prevent vertical transmission from the mother, but this does not guarantee that they will have antibodies in the future.
To acquire hepatitis B antibodies, vaccination is necessary.

Reply Date: 2016/01/13

More Info


Breastfeeding with Hepatitis B is a topic that raises important questions regarding the safety of the infant and the potential risks of transmission. As a Hepatitis B carrier, it is understandable that you are concerned about the implications of breastfeeding your child, especially after learning that he has no detectable Hepatitis B antibodies despite receiving the immunoglobulin and vaccinations at birth.

First and foremost, it is essential to understand that Hepatitis B is primarily transmitted through blood and bodily fluids. The virus is not typically transmitted through breast milk. According to the Centers for Disease Control and Prevention (CDC) and other health organizations, breastfeeding is generally considered safe for mothers who are Hepatitis B positive, provided that the infant has received the appropriate vaccinations and immunoglobulin within the first 12 hours of life. This vaccination strategy significantly reduces the risk of transmission.

In your case, your son received the Hepatitis B immunoglobulin and the first dose of the vaccine at birth, which is crucial in preventing infection. The fact that he has been breastfeeding until the age of one, and now continues to do so, should not pose a significant risk of transmitting Hepatitis B through breast milk. However, it is important to ensure that he continues to receive the complete vaccination series, as this will help build his immunity against the virus.

Regarding your concern about your son not having detectable Hepatitis B antibodies, it is important to note that antibody levels can vary among individuals. Some children may not develop detectable antibodies after vaccination, but this does not necessarily mean they are unprotected. The immune response can be complex, and some individuals may still have a level of protection even if antibodies are not detectable in standard tests. It is advisable to consult with your healthcare provider to discuss the possibility of re-evaluating his vaccination status and considering a booster dose if necessary.

As for your question about whether your son can continue to breastfeed, the answer is yes, he can continue to breastfeed. The benefits of breastfeeding, including nutritional support and bonding, often outweigh the risks, especially when the infant has been vaccinated. However, it is crucial to monitor his health and ensure he receives regular check-ups to assess his immunity and overall well-being.

In summary, breastfeeding while being a Hepatitis B carrier is generally safe, especially if the infant has been vaccinated appropriately. Your son can continue to breastfeed without significant risk of contracting Hepatitis B through breast milk. It is essential to maintain open communication with your healthcare provider regarding your son's vaccination status and any concerns you may have. They can provide personalized advice and support to ensure both you and your child remain healthy.

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