What Causes Infection under the Breast

Infection under the breast is usually caused by a skin condition called intertrigo, which results in a rash between the folds of the skin. This common condition, also known as candida intertrigo, is not cancerous and can occur throughout life.

What Causes Infection under the Breast

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Causes Of Infection Under The Breast

An infection under the breast, known as intertrigo, is commonly caused by a benign skin condition. Symptoms include a raised, reddish-brown rash that can be itchy or painful. Treatment options include over-the-counter antifungal creams and proper hygiene practices.


Intertrigo is a common skin condition that often leads to infection under the breast. It occurs when skin rubs against skin, creating a warm and moist environment that is ideal for bacterial or fungal growth. The constant friction and moisture can cause redness, inflammation, and skin breakdown. Factors such as obesity, poor hygiene, excessive sweating, and wearing tight clothing can contribute to the development of intertrigo.

Yeast Infection

Yeast infections, specifically caused by the Candida fungus, can also occur under the breast. The warm and moist environment under the breast provides the perfect breeding ground for yeast to thrive. Symptoms of a yeast infection under the breast may include a raised, shiny, reddish-brown rash with itching, pain, and a bad odor. Treatment usually involves antifungal creams or oral medication prescribed by a healthcare professional.

Skin Irritations

Various skin irritations, such as contact dermatitis or allergic reactions to certain fabrics or chemicals, can result in infection under the breast. Contact dermatitis occurs when the skin is exposed to irritants or allergens, leading to redness, itching, and inflammation. It is important to identify and avoid the triggers to prevent further irritation and infection. Using hypoallergenic or breathable fabrics and avoiding harsh cleaning agents may help alleviate skin irritations.

Contributing Factors

Several factors can contribute to the development of infection under the breast. These include:

– Large breasts: The excessive skin folds and friction can create an ideal environment for infection.
– Improper undergarments or tight clothing: Wearing ill-fitting bras or clothing that hampers air circulation can trap moisture and promote bacterial or fungal growth.
– Poor hygiene: Neglecting to clean the skin under the breast regularly increases the risk of infection.
– Excessive sweating: Perspiration can create a moist environment that encourages the growth of bacteria or fungi.
– Obesity: The accumulation of excess fat can lead to skin friction, increased sweating, and a higher likelihood of skin infections.

It is important to address these contributing factors to prevent and manage infections under the breast effectively. Maintaining good hygiene, wearing properly fitted undergarments, and keeping the skin dry and clean can help minimize the risk of infection. If symptoms persist or worsen, it is advisable to seek medical attention for proper diagnosis and treatment. Remember, prevention and early intervention are key to maintaining healthy skin under the breast.

What Causes Infection under the Breast

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Symptoms And Diagnosis

Infection under the breast, also known as intertrigo, can be caused by a benign skin condition. Symptoms include a rash that appears as a raised, reddish-brown rash with an unpleasant odor. Treatment options include over-the-counter or prescription antifungal creams and tablets.

Common Symptoms

When it comes to infection under the breast, there are several common symptoms to look out for. These can include:

  • Redness and inflammation: The affected area may appear red and swollen.
  • Rash: A raised, shiny, reddish-brown rash may develop in the skin folds under the breast.
  • Itching or pain: The rash may be itchy or painful, causing discomfort.
  • Blisters and oozing: Tiny blisters may form, which can ooze and crust over.
  • Unpleasant odor: The infection may give off a bad odor.
  • Soreness: The skin under the breast may feel sore and tender.

If you experience any of these symptoms, it is important to seek medical attention for an accurate diagnosis and appropriate treatment.

Diagnosing Infection

Diagnosing an infection under the breast typically involves a thorough examination by a healthcare professional. The doctor may:

  1. Physically examine the affected area to assess the severity of the infection.
  2. Take a detailed medical history, including any previous skin conditions or infections.
  3. Order tests, such as a skin culture or scraping, to determine the specific type of infection present.
  4. Consider underlying factors that may contribute to the infection, such as large breast size or improper undergarments.

Based on the assessment and test results, the healthcare provider can make an accurate diagnosis and recommend the most suitable treatment options.

Distinguishing Types Of Infection

Various types of infections can occur under the breast, and it is important to correctly distinguish between them for effective treatment. Common types of infection include:

Types of InfectionSymptoms
Fungal InfectionRed, itchy rash with blisters and oozing. An unpleasant odor may be present.
Bacterial InfectionRed, swollen, and painful skin. Pus or discharge may be present.
Yeast InfectionRaised reddish-brown rash with itching and discomfort. The bad odor may be noticeable.

It is essential to consult a healthcare professional for an accurate diagnosis and proper identification of the type of infection present. This will ensure appropriate treatment and minimize the risk of complications.

Treatment And Prevention

When it comes to treating and preventing infections under the breast, there are several options to consider. It’s important to address the infection promptly to avoid any further complications. Here are some effective methods that can help alleviate the symptoms and prevent future occurrences:

Topical Treatments

One of the primary approaches to treating infections under the breast is through the use of topical treatments. These can include over-the-counter antifungal creams and ointments, as well as prescription-strength medications. Applying these directly to the affected area can help eliminate the infection and provide relief from symptoms.

It’s essential to follow the instructions provided by the healthcare professional or the product packaging. Applying the topical treatment as directed and for the recommended duration can ensure the infection is effectively treated, promoting faster healing.

Oral Medications

In some cases, oral medications may be necessary to treat infections under the breast. These medications are typically prescribed by a doctor and may include antifungal pills or antibiotics, depending on the underlying cause of the infection.

Oral medications work from within the body to target the infection systemically. This approach is especially useful if the infection has spread or is particularly severe. It’s crucial to take the prescribed medication as directed and complete the full course, even if symptoms improve before finishing the treatment.

Good Hygiene Practices

Practicing good hygiene is an essential aspect of both treatment and prevention of infections under the breast. Keeping the affected area clean and dry can help inhibit the growth of bacteria and fungi, reducing the risk of infection.

Here are some hygiene practices to consider:

  • Regularly wash the area with mild soap and warm water.
  • Dry the area thoroughly using a clean towel or a hairdryer on a low setting.
  • Avoid wearing tight-fitting or restrictive clothing that may trap moisture or increase friction.
  • Frequently change undergarments to maintain cleanliness and prevent the buildup of sweat and bacteria.

By incorporating these hygiene practices into your daily routine, you can help prevent future infections and promote overall skin health.

Home Remedies

In addition to medical treatments and good hygiene practices, certain home remedies can complement the healing process and provide relief from symptoms. While these remedies may not replace medical intervention, they can offer some comfort and support.

Here are some home remedies that can be beneficial:

  • Apply a cool compress to the affected area to reduce itching and inflammation.
  • Use natural remedies such as tea tree oil or apple cider vinegar, diluted with water, to help eliminate fungal infections.
  • Avoiding tight-fitting clothing and opting for loose, breathable fabrics to allow better air circulation.
  • Practicing stress-reducing activities, as stress can compromise the immune system and increase the risk of infection.

While home remedies can provide temporary relief, it’s important to consult with a healthcare professional for an accurate diagnosis and appropriate treatment plan.

When To Seek Medical Attention

If you notice any signs of infection under your breast, it is important to understand when to seek medical attention. While mild cases of infection can often be treated at home with proper hygiene and over-the-counter remedies, there are certain situations in which it is necessary to consult a healthcare professional. This section will outline the signs of severe infection, recurrent infections, and underlying medical conditions that may warrant medical attention.

Signs Of Severe Infection

  • If you experience increased pain, redness, or swelling under your breast
  • If pus or discharge is coming from the affected area
  • If your skin becomes warm to the touch or feels hot
  • If you develop a fever
  • If the infection does not improve with self-care measures after a few days

These signs may indicate that the infection has become more serious and requires medical intervention. It is important to seek immediate medical attention if you experience any of these symptoms.

Recurrent Infections

If you have a history of recurrent infections under your breast, it is essential to consult a healthcare professional. Recurrent infections may indicate an underlying issue or incomplete treatment. A healthcare provider can help determine the cause of the recurrent infections and provide appropriate treatment to prevent further occurrences.

Underlying Medical Conditions

Some individuals may be more susceptible to infections under the breast due to underlying medical conditions. If you have a pre-existing medical condition such as diabetes or a weakened immune system, it is crucial to seek medical attention if you develop an infection. These conditions can compromise the body’s ability to fight off infections, making it necessary to receive prompt medical treatment to prevent complications.

What Causes Infection under the Breast

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Frequently Asked Questions For What Causes Infection Under The Breast

What Causes Skin Infection Under The Breast?

Skin infection under the breast, known as intertrigo, is caused by a benign skin condition. It can occur due to moisture and rubbing of the skin. Factors like large breasts, improper undergarments, and infrequent undergarment changes can contribute to the infection.

Treatment options include antifungal creams and medications.

What Cream Is Good For Under Breast Infection?

For under-breast infections, you can use over-the-counter antifungal creams or prescription ointments. Clotrimazole (Mycelex) is a common OTC antifungal cream that can be effective for mild-to-moderate infections.

What Does A Fungal Infection Look Like Under The Breast?

A fungal infection under the breast appears as a raised, shiny, reddish-brown rash in the skin folds. It can be itchy, and painful, and may cause blisters that ooze and crust over. This condition is called intertrigo and can be treated with antifungal creams or ointments.


Infections, allergies, and the presence of Candida can all contribute to the development of a skin infection under the breast. Poor hygiene, wearing tight clothing, and not changing undergarments frequently can also increase the risk. To treat and prevent such infections, it is important to maintain good hygiene, wear breathable fabrics, and use antifungal creams or ointments as prescribed by a healthcare professional.

Identifying the causes and taking appropriate action can help manage and prevent the recurrence of breast infections.

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