Breast Issues: Pus-Like Discharge and Swelling Concerns - Breast and Thyroid

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Breast foreign body


I only have pus-like discharge resembling acne from my right breast, and it is much more swollen than the left one.
What could be the issue?

Mr. Hsieh, 10~19 year old female. Ask Date: 2016/12/22

Dr. Yuan Tianmin reply Breast and Thyroid


A physician must not administer treatment, prescribe medication, or provide a diagnosis without a personal examination.
It is normal for the breasts to be asymmetrical, but the difference should not be excessive.
As for the pus, a medical consultation is necessary.

Reply Date: 2016/12/22

More Info


When it comes to breast health, any unusual symptoms such as pus-like discharge, swelling, or differences between the breasts should be taken seriously and warrant a thorough evaluation by a healthcare professional. Based on your description, it appears that you are experiencing a discharge from your right breast that resembles pus and is accompanied by noticeable swelling compared to your left breast. This could indicate a few potential issues, and it is essential to understand the possible causes and the steps you should take.

One of the most common causes of pus-like discharge from the breast is an infection, such as a breast abscess. An abscess is a localized collection of pus that can occur due to bacterial infection. This condition often presents with swelling, redness, and tenderness in the affected area. If you are experiencing significant swelling and discharge, it is crucial to seek medical attention promptly. An abscess may require drainage and antibiotic treatment to resolve the infection effectively.

Another possibility is a condition known as periductal mastitis, which is an inflammation of the ducts beneath the nipple. This condition can lead to discharge, swelling, and sometimes pain. It is often associated with smoking and can occur in women who have had children. Treatment may involve antibiotics and, in some cases, surgical intervention if there is a blockage or abscess.

Additionally, the presence of a lump or significant asymmetry between the breasts can raise concerns about other conditions, including benign breast diseases or, in rare cases, breast cancer. While breast cancer typically presents with a hard lump, changes in the skin, or unusual discharge, it is essential to have any new or concerning symptoms evaluated by a healthcare provider. They may recommend imaging studies, such as a mammogram or ultrasound, to assess the breast tissue further.

Given that you have noted a significant difference in swelling between your right and left breasts, it is crucial to schedule an appointment with a healthcare professional, preferably a breast specialist or a general surgeon. They will conduct a physical examination, review your medical history, and may order imaging studies or laboratory tests to determine the underlying cause of your symptoms.

In the meantime, it is advisable to avoid squeezing or manipulating the affected breast, as this could exacerbate any underlying condition or lead to further irritation. Keeping the area clean and dry is essential, and if you notice any signs of fever, increased redness, or worsening pain, seek medical attention immediately.

In summary, the symptoms you are experiencing—pus-like discharge and swelling in one breast—should not be ignored. While there are several potential causes, ranging from infections to benign conditions, a thorough evaluation by a healthcare professional is necessary to determine the exact cause and appropriate treatment. Early intervention can lead to better outcomes and peace of mind regarding your breast health.

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