Nipple Discharge: When to Seek Medical Advice - Breast and Thyroid

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Nipple discharge


Hello, doctor.
I would like to ask if it is normal for a nipple to initially express a milky white fluid and then, upon further squeezing, to express a clear blood-tinged fluid?

Xiao Yu, 30~39 year old female. Ask Date: 2016/02/25

Dr. Zhou Jiazhen reply Breast and Thyroid


Dear Xiaoyu: This is likely nipple discharge, but if there is persistent bleeding and a foul odor, it is recommended to visit a clinic for examination.

Reply Date: 2016/02/25

More Info


Nipple discharge can be a concerning symptom for many individuals, and understanding when to seek medical advice is crucial for proper health management. The presence of nipple discharge, particularly when it changes in color or consistency, can indicate various underlying conditions, some of which may require medical attention.

In your case, the discharge you described starts as a milky white fluid and then transitions to a clear, blood-tinged fluid. This change in the nature of the discharge is significant and warrants further evaluation. Normal nipple discharge can occur in various situations, such as hormonal changes during the menstrual cycle, pregnancy, or breastfeeding. However, any discharge that is bloody or has a significant change in color or consistency should be assessed by a healthcare professional.

Several potential causes for nipple discharge include:
1. Hormonal Imbalances: Conditions such as hyperprolactinemia, where there is an excess of the hormone prolactin, can lead to abnormal nipple discharge. This is often associated with menstrual irregularities.

2. Infections: Mastitis or other infections of the breast tissue can cause discharge, often accompanied by pain, redness, or swelling.

3. Ductal Ectasia: This condition occurs when a milk duct beneath the nipple dilates, fills with fluid, and thickens, which can lead to discharge that may be sticky and dark.

4. Fibrocystic Changes: These benign changes in breast tissue can lead to lumps and discharge, often related to hormonal fluctuations.

5. Intrductal Papilloma: A benign tumor in the milk duct can cause discharge, often bloody or clear.

6. Breast Cancer: While less common, certain types of breast cancer can present with nipple discharge, particularly if it is bloody or occurs spontaneously.

Given the nature of your discharge, it is advisable to seek medical advice promptly. A healthcare provider will likely perform a thorough evaluation, which may include a physical examination, imaging studies such as a mammogram or ultrasound, and possibly laboratory tests to analyze the discharge.
In summary, while some nipple discharge can be normal, the presence of blood or a significant change in the discharge's characteristics should not be ignored. It is essential to consult with a healthcare professional to rule out any serious conditions and to receive appropriate care. Early intervention can lead to better outcomes, especially in cases where underlying issues may need to be addressed.

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