Prolactin Medication: Effects on Breast Size and Pain Relief - Obstetrics and Gynecology

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Lactation hormones medication


Hello, doctor.
I would like to ask about my recent health check-up where I had additional hormone tests done.
It was found that my prolactin level is elevated (41).
The doctor prescribed me medication to take, two pills a week.
I read online that taking medication for prolactin can cause breast size reduction.
Is this true? Also, I used to experience breast tenderness and swelling during my menstrual cycle, but it seems to be lessened since I started the medication.
Is this normal? Thank you.

ling1111, 40~49 year old female. Ask Date: 2022/10/14

Dr. Zhang Kunmin reply Obstetrics and Gynecology


Hello, the normal dosage of this medication should not cause this phenomenon.
Elevated prolactin levels may lead to breast tenderness, and it is normal for this symptom to improve once the levels decrease.
Thank you! Wishing you peace and health.
Dr.
Chang

Reply Date: 2022/10/14

More Info


Prolactin is a hormone primarily associated with lactation and breast development, but it also plays a role in regulating the menstrual cycle and reproductive health. When prolactin levels are elevated, it can lead to various symptoms, including breast tenderness, changes in breast size, and menstrual irregularities. In your case, it seems that your doctor has prescribed medication to help manage your elevated prolactin levels.

Regarding your question about whether taking prolactin medication can lead to a decrease in breast size, the answer is somewhat nuanced. Prolactin itself is responsible for breast tissue development and milk production. When prolactin levels are high, it can cause breast tissue to swell, leading to feelings of fullness or tenderness. Therefore, if the medication effectively lowers your prolactin levels, it may indeed lead to a reduction in breast swelling and tenderness, which could be perceived as a decrease in breast size. However, this does not mean that the actual breast tissue is being reduced; rather, it is the temporary swelling that is subsiding.

As for the relief of breast pain you mentioned, it is not uncommon for individuals with elevated prolactin levels to experience breast tenderness or pain, especially around the time of menstruation. If the medication is helping to normalize your hormone levels, it could explain why you are experiencing less breast pain. This is a positive response to the treatment, indicating that the medication is having the desired effect on your hormonal balance.

It is important to monitor your symptoms and communicate with your healthcare provider about any changes you experience while on the medication. If you notice significant changes in breast size or persistent pain, it would be advisable to discuss these concerns with your doctor. They may want to adjust your treatment plan or conduct further evaluations to ensure that your hormonal levels are being managed effectively.

In summary, while taking prolactin medication may lead to a perceived decrease in breast size due to reduced swelling and tenderness, it is primarily a normalization of hormone levels rather than a reduction in breast tissue. Additionally, experiencing less breast pain while on the medication is a normal and positive response. Always keep an open line of communication with your healthcare provider to ensure that your treatment is tailored to your specific needs and health status.

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