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Breast Yeast Infection: Signs, Causes, Treatment, & Prevention

A yeast infection of the breast is a common fungal infection that happens because of Candida, a type of yeast. The symptoms are a rash under the breast; treatment is as simple as using an ointment or antifungal cream. Learn more about its symptoms, causes, treatment and prevention here.

What is a Breast Yeast Infection?

An inflammatory skin condition known as a breast yeast infection develops in skin folds like those under the breast. Candida (yeast) is the root cause, hence the name candidiasis. This happens when the yeast grows uncontrollably and can develop anywhere in the body. However, it is mainly found in warm and moist areas of the skin, like under the breast. It can also happen in the anus, penis, vagina, skin, mouth and throat areas.

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Causes Of Yeast Infection Below The Breasts

As previously mentioned, it is brought on by a yeast, Candida. These thrive in warm and moist environments. The skin surface sticks to the skin folds and breaks when moisture is trapped in the skin. This causes the skin to rub against each other, and that causes intertrigo. This skin condition allows the overgrowth of Candida, which leads to yeast infections. Normal levels of Candida are essential for good health, but when too much of it is present in the body, it can disrupt the microorganism’s balance and lead to candidiasis. Various factors act as contributors to yeast infections under the breast, which include

  • Wearing tight or improper undergarments
  • Having huge breasts
  • Not changing your undergarments often
  • Improper drying of the area under the breasts
  • Using breast pads
  • Breastfeeding
  • Hot and humid conditions
  • Excessive sweating
  • Previous yeast infection
  • Hyperhidrosis or excessive sweating

Yeast infections under the breast are more common in certain women and that includes:

  • Obesity or being overweight
  • Taking antibiotics that kill bacteria. These can also kill the beneficial bacteria that are in the body.
  • Women with weak immunity
  • Use of medications that suppress immunity
  • Diabetics Symptoms

A yeast infection under the breast looks like a red rash. The rash can result from a yeast infection between the breast and on top of it, where the skin of the breast skims the chest or below it. The breast rash may be:

  • A stinging or burning sensation
  • Painful or itchy
  • Shiny
  • Tender, swollen or raised
  • Pustules or blisters that form a foul-smelling pus

The skin surrounding the rash may look cracked, dry and flaky. The bright red rash may become blisters that crust and ooze. People with a yeast infection do not infect other people.

Although most people have intertrigo due to the overgrowth of Candida, other fungi and bacteria also have similar symptoms. Different infections cause similar symptoms to candidiasis. It includes:

  • Herpes
  • Ringworm
  • Eczema
  • Seborrheic dermatitis
  • Contact dermatitis

Diabetes may also cause many skin conditions that can be confused with a breast yeast infection.

How Is A Breast Yeast Infection Diagnosed?

When you have a breast yeast infection, it is best to visit a doctor to determine if it is candidiasis. Your caregiver will do a physical examination to diagnose a yeast infection of the breasts. They may make the diagnosis based on the way the rash looks. If there is a red rash, the care provider may conclude it is a yeast infection. The provider may want to confirm by collecting a sample for testing. A scalpel or tongue depressor is used to gently scrape the skin of the infected area. It is then sent to a pathologist to determine the fungal type causing the infection.

How to Get Rid of Yeast Infection on the Breast?

The most common treatment for a yeast infection is antifungal ointment or cream. The healthcare provider may prescribe an antifungal ointment or any other solution. It can also be brought over the counter. If necessary, the care provider may prescribe strong antifungal medication based on the symptoms and how the rash looks. Directly apply it to

the affected area. Sometimes, oral drugs and a steroid cream may be prescribed to relieve symptoms. However, this may not be recommended for breastfeeding mothers.

Even after taking medications, it is essential that you keep the area below the breasts dry and clean to reduce yeast infections. It can also prevent future infections. It also helps if you can expose the area to the air. Drying powder also helps remove the moisture from the skin and drying it to prevent another infection of this type.


Now that you know how to treat yeast infections under the breast, you should also know that they are preventable. Keeping the breasts dry and clean is one of the most effective methods to prevent yeast infections. Using drying powders is one way to avoid infection. The other steps that can prevent a breast yeast infection are:

  • Use breast pads that do not have waterproof liners if you have to use them. Also, it is best to change them frequently so that no moisture accumulates under the skin. If you use reusable breast pads, wash them in soapy and warm water to keep them clean.
  • Wear supportive bras and change them at least once daily if you are prone to excessive sweating. Wash the bras in soapy, warm water and do not go to sleep at night wearing them.
  • Wash your hands frequently when you are breastfeeding. Wash your hands and breasts with a warm cloth before and after nursing.
  • Avoid starchy and sugary foods and consume alcohol in moderation. Add a probiotic to your diet to balance the microorganisms in your body.
  • Losing weight can help prevent yeast infections for those who are overweight or obese.

How Long Does It Last?

A yeast infection under the breast can take a couple of weeks to get rid of. It is very common and can be treated with antifungal creams and medications. However, these infections are quite challenging and require patience and time to get rid of. After starting the treatment, the rash gets cleared in a week or two. Instead of self-medication, get proper treatment when you find symptoms of a yeast infection under the breast so that you feel better quickly.

Does Yeast Infection Cause Breast Pain?

Yeast infections are common while you are breastfeeding. They can be painful if they affect the nipple and lead to intense pain in the nipple and breast. You can prevent infections by keeping the nipple and the breasts dry and clean.


1. What kills yeast on breasts?

Doctors commonly prescribe antifungal creams to diagnose and treat yeast infections on the breast properly.

2. How do I know if I have yeast in my breasts?

Symptoms of a yeast infection on the breast include itching, redness, pain and soreness. If you suspect an infection, it’s advised to seek medical evaluation for an accurate diagnosis.

3. What does a yeast infection look like on the breast?

Yeast infections on the breast can cause red, shiny and irritated skin, frequently accompanied by tiny red bumps. It could also cause discomfort, itching and a burning sensation.

4. What is the best cream for breast yeast infections?

A doctor should decide which cream to use for a breast yeast infection. Common antifungal creams like clotrimazole or miconazole might be recommended, but a healthcare professional can provide personalized guidance based on the individual’s condition.

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