While yeast infections are often associated with oral thrush or vaginal candidiasis, they can also occur on the skin of the breast, including the nipple, areola, and inframammary fold. A breast yeast infection, or cutaneous candidiasis, is typically not serious, but it can cause discomfort and is sometimes mistaken for other breast concerns that need a different treatment approach.
Understanding the causes, symptoms, and treatment options for yeast infections of the breast can help you recognize changes in your body and know when to seek medical evaluation.
What Is a Yeast Infection of the Breast?
A yeast infection of the breast is a fungal infection most often caused by an overgrowth of Candida, a type of yeast that naturally lives on the skin. Normally, Candida is kept in check by the body’s natural defenses and other microorganisms, but when the skin environment changes, it can multiply and lead to irritation and inflammation.
These infections most commonly affect areas where moisture and warmth become trapped, and in the breasts, are often found in the inframammary fold. They may also affect the nipple and areola, particularly in breastfeeding individuals.
Breast skin changes can have many causes, so an accurate diagnosis matters. Symptoms that resemble a yeast infection can also stem from other skin conditions including eczema, allergic reactions, sunburns, or other breast skin concerns.
What Causes Yeast Infections on the Breast?
Yeast thrives in warm, moist environments, and the skin beneath the breast can create the perfect conditions for yeast to overgrow. Several factors may contribute to the development of a yeast infection of the breast, including:
Moisture and Skin Friction
Throughout the day, sweat can build up in the fold beneath the breast, especially in warm weather or during physical activity. Friction from clothing or skin-to-skin contact may also irritate the skin, making it more vulnerable to infection.
Breastfeeding
Pregnancy and breastfeeding can cause various changes to the breasts, including differences in size and infections such as Mastitis. Yeast infections in particular can develop on the nipple and areola during breastfeeding. In some cases, Candida can pass between a breastfeeding parent and baby, which makes evaluation and diagnosis critical.
Hormonal Changes
Shifts in hormone levels, particularly during Perimenopause and Menopause, can affect your breasts in various ways. They can also impact the body’s skin and immune response, sometimes disrupting the body’s natural balance and making yeast overgrowth more likely.
What Are Common Symptoms?
Redness or a Red Rash
One of the most telltale signs of a yeast infection of the breast is redness or a rash on the skin of the breast. This often occurs in the inframammary fold, where moisture can accumulate and friction can contribute to yeast growth. The affected skin may appear irritated, inflamed, and/or different from the surrounding area.
Itching, Burning, or Skin Irritation
A yeast infection may cause persistent itching, burning, tenderness, or discomfort in the affected area. The skin may feel irritated or sensitive. In some cases, the affected skin may become dry, cracked, or peel as inflammation impacts the skin barrier.
Nipple or Areola Symptoms
For breastfeeding individuals, yeast may affect the nipple and areola, causing symptoms such as increased sensitivity, burning pain, shiny or flaky skin, or discomfort that continues after feeding.
Can They Be Prevented?
While yeast infections cannot always be prevented, maintaining healthy skin conditions can help reduce factors that contribute to yeast overgrowth. Some general tips to support skin health near the breast tissue include:
Wearing a Properly Fitting Bra
A well-fitted bra provides support while helping reduce excessive friction and skin-to-skin contact beneath the breast tissue. When moisture and heat become trapped in these areas, irritation can develop and create conditions where yeast may grow.
Drying the Skin Thoroughly After Showering
After bathing, gently pat the skin dry, especially in areas where moisture can collect, especially beneath the breasts. Avoid rubbing the skin, as friction can contribute to irritation.
Changing Out of Sweaty Clothes After Exercise
After physical activity, changing out of damp clothing as soon as possible can help reduce prolonged exposure to moisture. Wearing breathable fabrics and keeping the skin dry can also help.
How Are They Treated?
Treatment for a yeast infection of the breast depends on the location and severity of the infection. Your provider may recommend an antifungal medication to target the yeast overgrowth and help restore the skin’s natural balance. While topical antifungal cream and ointments are the most common approach, your care team may also prescribe oral medication if deemed appropriate.
For breastfeeding individuals experiencing nipple or areola symptoms, evaluation is important, as both the breastfeeding parent and baby may need treatment to prevent the infection from recurring. Taking your baby to their pediatrician for evaluation is recommended, along with thoroughly cleaning and sanitizing bottles, pump parts, and breast pads.
Alongside medical treatment, it is important to maintain general hygiene for prevention and treatment. Some general rules of thumb include:
- Keeping the breasts clean and dry
- Showering or bathing regularly, especially after sweating
- Changing out of damp clothing or bras
- Wearing breathable fabrics
When Should You See a Breast Specialist?
A persistent rash or change in the appearance of the breast should be evaluated to determine the underlying cause. Visiting a Breast Specialist is recommended if you experience:
- A rash/redness that does not improve with appropriate care
- Nipple Discharge
- Persistent focal breast pain, swelling, or warmth
- A new lump that has not yet been evaluated
- Changes that feel different from your usual breast health patterns
At Bedford Breast Center, our team takes a comprehensive approach to breast health, helping patients understand changes in their bodies and determine the appropriate next steps for evaluation and care.
1. Can you get a yeast infection on your breast if you are not breastfeeding?
Yes. While yeast infections of the nipple and areola are often discussed in relation to breastfeeding, yeast can also affect the skin of the breast in individuals who are not breastfeeding.
2. Is a yeast infection under the breast contagious?
A yeast infection under the breast is generally not considered contagious because it typically develops from an overgrowth of yeast that naturally exists on the skin.
However, breastfeeding-related yeast infections may involve transmission between a parent and baby. If symptoms affect the nipple or areola during breastfeeding, evaluation and treatment may be needed for both.
3. Is a yeast infection of the breast the same as mastitis?
No. A yeast infection of the breast and mastitis are different conditions. A yeast infection is caused by an overgrowth of Candida and typically affects the skin of the breast, nipple, or areola, causing symptoms such as itching, burning, and irritation. Mastitis involves inflammation of the breast tissue and may cause symptoms such as breast swelling, warmth, pain, redness, and sometimes fever or flu-like symptoms. As symptoms can overlap, evaluation is critical to help determine the appropriate diagnosis and treatment.
Bedford Breast Center is a world-class facility in Beverly Hills dedicated to breast cancer screening and early detection for patients. Our surgeons consider the importance of aesthetics as well as curing disease. We offer state-of-the-art screenings, including mammography and ultrasound, and same-day appointments for urgent issues such as abnormal findings on imaging results. Our top-notch team of physicians and kind, caring staff is here to serve you. Whether you need routine screening, are concerned about breast pain, or face a complicated cancer diagnosis, we stand with you every step of the way.
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