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Women often experience various superficial skin changes between and/or under the breasts. Some of them present as solitary or multiple pimples, rash, dry skin, or hives. Women with big breasts report these issues more commonly than other women. Several possible pathological processes can cause these issues, and we will discuss some of the most common ones.

Bacterial And Fungal Skin Infections

The folds of the skin are usually the areas in which the humidity is higher than in other skin regions. This humid environment is ideal for the development of bacterial and fungal infections because these conditions are perfect for the growth of these microorganisms. Folds of the skin between and under the breasts are some of the most commonly affected areas.

Bacterial infections ae usually caused by bacteria from the Streptococcus group, and the symptoms include red, inflamed skin, pain, irritation, and sometimes pimples with purulent content.

On the other hand, fungal infections are frequently caused by Candida Albicans, which causes a yeast infection called candidiasis. This can be a very stubborn infection that manifests with pain, white plaques, and bad odor.

If you have any of these symptoms, you should visit your doctor in order to perform microbiological tests.

Bacterial infections are treated with antibiotics. Antibiotics cannot help with fungal infections, and may even worsen the symptoms, so the right diagnosis is crucial for choosing the right treatment – antibiotics for a bacterial infection and antifungal drugs for fungal infections.

Viral infections in this region are not very common, but one of the viruses which can produce similar symptoms to the above mentioned is Molluscum Contagiosum virus.


Mastitis is an inflammation of the breast tissue, which is not limited to the skin only, but it also affects deeper layers. However, you can notice the changes on the skin surface first. This condition is caused by bacteria, and it most commonly occurs during breastfeeding, although it can affect women at any time. The most pronounced symptom is pain in the affected breast, accompanied with skin changes – redness, pustules, etc. This condition is also treated with antibiotics.


You may get a skin rash in the breast area if you are allergic to some food, medications, clothing material, or pollen. Insect bites can also trigger an allergic reaction.

The easiest way to distinguish between infection and allergy is the presence of itch.

Namely, allergies are almost always accompanied with strong itching sensations, while infections produce the feeling of irritation or even pain. Other symptoms include solitary or confluent inflammatory plaques on the surface of the skin. In this case, you should first identify and eliminate the source of the allergy, and then you can use corticosteroid creams and antihistamines in order to eliminate the symptoms.


Hyperhidrosis is a disorder of the sweat glands which causes them to produce more sweat than necessary. Multiple small, itchy blisters are the main signs of hyperhidrosis. Overuse of strong antiperspirants can also cause this issue since they block the excretory ducts of the sweat glands.

Other Causes

Other, less frequent, causes of rash between and below breasts include psoriasis, eczema, and skin cancer. Skin cancer is usually presented with different symptoms, but due to the severity of this disease, your gynecologist should have it in mind and perform necessary examinations to eliminate this cause as a precaution measure.

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