Can I Breastfeed After Mumps? Safety and Vaccine Considerations - Otolaryngology

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How long after mumps can a mother breastfeed?


Hello, Doctor.
I would like to ask about my situation.
I had a cesarean section, and the day after delivery, I experienced swelling under my jaw, but I had no fever or other symptoms.
I did not take any medication, and the swelling reduced by half the next day and was almost completely gone by the third day.
(I had blood drawn on postpartum day 5, and my IgM was 9.x).
I would like to know if, in the absence of medication and symptoms, there could still be a virus in my body after almost a month? Is my breast milk safe? Additionally, do I need to receive the MMR vaccine? (I have antibodies for German measles from my prenatal checkup).
Thank you, Doctor.

Carrie, 30~39 year old female. Ask Date: 2020/03/19

Dr. Zheng Jueyi reply Otolaryngology


Hello: The swelling of the parotid gland, without any fever or other symptoms, and nearly resolving within three days, is less likely to be caused by viral infection such as mumps.
It may simply be due to duct obstruction, so breastfeeding should be safe.
Additionally, according to current regulations, if you have antibodies for German measles from your prenatal check-up, there should be no need for a booster MMR vaccine.
Wishing you safety and health.
Sincerely, Dr.
Jue-Yi Cheng, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2020/03/19

More Info


Breastfeeding after mumps can be a concern for new mothers, particularly if they have experienced symptoms related to the virus. Mumps is a viral infection that primarily affects the salivary glands, and while it can lead to complications, many individuals recover without severe issues. In your case, it seems that you experienced swelling of the salivary glands without any accompanying fever or significant symptoms, which is a positive sign.

Firstly, regarding the presence of the mumps virus in your body after the initial symptoms have resolved, it is important to note that mumps typically has a contagious period that lasts from about two days before the onset of symptoms to about five days after. Since you mentioned that your symptoms subsided within three days and you have not taken any medication, it is likely that the virus is no longer present in your system. By the time you are considering breastfeeding, it is generally safe, especially since you have not exhibited any further symptoms.

Breastfeeding is encouraged as it provides essential nutrients and antibodies to your baby. The antibodies present in breast milk can help protect your infant from infections. In the case of mumps, if you have recovered and are no longer symptomatic, the risk of transmitting the virus through breast milk is minimal. The Centers for Disease Control and Prevention (CDC) and other health organizations indicate that breastfeeding is safe for mothers who have had mumps, as the virus is not transmitted through breast milk.

As for the MMR (measles, mumps, and rubella) vaccine, it is recommended that individuals who have not been vaccinated or who lack immunity to these diseases receive the vaccine. Since you mentioned that you have antibodies against rubella, it suggests that you may have been vaccinated against rubella in the past. However, if you are unsure about your immunity to mumps, it may be beneficial to discuss with your healthcare provider whether you should receive the MMR vaccine. The vaccine is generally safe to administer even if you are breastfeeding, as it contains live attenuated viruses that do not pose a risk to the breastfeeding infant.

In summary, based on your description, it appears safe for you to breastfeed after your experience with mumps, especially since you have not shown any further symptoms. However, it is always best to consult with your healthcare provider regarding your specific situation, particularly concerning the MMR vaccination. They can provide personalized advice based on your medical history and current health status. Remember to maintain good hygiene practices while breastfeeding, as this is crucial for the health of both you and your baby.

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