Skin Candida

Skin candida, also known as cutaneous candidiasis, is a yeast infection that affects the skin when a type of fungus called Candida grows out of control. While it commonly causes itchy, red rashes in warm, moist areas of the body, it can usually be treated effectively with antifungal medications and improved hygiene.

Table of contents

• What is skin candida?
• What causes skin candida?
• Signs and symptoms
• How is it diagnosed?
• Treatment options
• Prevention
• Outlook

cutaneous candidiasis, skin yeast infection, fungal skin infection, candida infection of the skin

What is skin candida?

Skin candida is a yeast infection that occurs when the fungus Candida (a type of yeast) grows too much on your skin. The medical name for this condition is cutaneous candidiasis.^[1]

Your body normally hosts many different germs, including bacteria and fungi. Some of these are helpful, some cause no harm, and some can lead to infections. Candida is a yeast that naturally lives in small amounts on everyone’s skin and in the mouth, digestive tract, and vagina. It usually causes no problems.^[4] However, when something disrupts the balance between healthy bacteria and Candida in your body, the yeast can multiply uncontrollably and cause an infection.^[3]

This type of infection is fairly common. It can involve almost any area of skin on the body, but most often it occurs in warm, moist, creased areas such as the armpits, groin, under the breasts, and between the fingers and toes.^[1] The fungus that most often causes skin candida is Candida albicans, though other types of Candida can also be responsible.^[1]

What causes skin candida?

Skin candida develops when the skin becomes infected with Candida fungi. A small amount of Candida naturally lives on your skin. When this fungus begins to multiply uncontrollably, however, it can cause an infection.^[2]

Several factors can trigger an overgrowth of Candida on the skin. Warm weather and tight clothing create conditions that allow the yeast to thrive. Poor hygiene or infrequent changes of undergarments can also contribute to infection.^[2] People who are overweight are at higher risk because they have more skin folds where moisture can accumulate.^[1]

Certain medical conditions and treatments increase the risk of developing skin candida. These include:^[1]

• Diabetes, particularly when blood sugar levels are poorly controlled
• Weakened immune system from conditions like HIV infection or cancer
• Use of antibiotics, which kill helpful bacteria that normally keep Candida under control
• Use of steroid medications or chemotherapy
• Pregnancy
• Obesity

Candida is the most common cause of diaper rash in infants. The fungi take advantage of the warm, moist conditions inside the diaper.^[1]

Signs and symptoms

The main symptom of skin candida is a rash. The rash often causes the skin to become discolored and intensely itchy.^[2] In some cases, the infection can cause the skin to become cracked and sore, and blisters or small bumps filled with fluid (pustules) may also appear.^[2]

Common symptoms of skin candida include:^[1]

• Red, growing skin rash
• Intense itching
• Rash on skin folds, including the groin, middle of the body, buttocks, under the breasts, armpits, and other warm, moist areas
• Infection of hair follicles that may look like pimples
• Red rash, sometimes with skin breakdown
• Small pustules, especially at the edges of the rash

When skin candida affects skin folds, it often causes a bright red rash. The rash may itch intensely or cause a burning sensation. A candida rash around the anus may be raw, white or red, and itchy.^[7]

The rash can affect various parts of the body, but it’s most likely to develop in the folds of the skin, including areas in the underarm, groin, between the fingers, and under the breasts.^[2] Candida can also cause infections in the nails, edges of the nails, mouth (a condition called thrush), and corners of the mouth.^[1]

How is it diagnosed?

A healthcare provider can usually diagnose skin candida by looking at the affected skin.^[1] The characteristic appearance of the rash and its location in warm, moist areas of the body often provide enough information for diagnosis.

In some cases, the provider may gently scrape off a small sample of skin for testing. This sample can be examined under a microscope or sent to a laboratory for culture to confirm the presence of Candida.^[1] A test called potassium hydroxide preparation may be used to help identify the yeast.^[5]

If you are an older child or adult with a yeast skin infection, your healthcare provider may recommend testing for diabetes. High blood sugar levels in people with diabetes act as food for the yeast fungus and help it grow.^[1]

Treatment options

Good general health and hygiene are very important for treating skin candida. Keeping the skin dry and exposed to air is helpful. Absorbent powders may help prevent fungal infections from returning.^[1] If you are overweight, losing weight may help eliminate the problem by reducing skin folds where moisture collects.

For people with diabetes, good blood sugar control may also be helpful in treating and preventing skin candida infections.^[1]

Most skin candida infections can be treated with antifungal medications. These come in several forms:^[1]

• Topical creams, ointments, or powders applied directly to the affected skin (such as nystatin, clotrimazole, ketoconazole, miconazole, or econazole)
• Oral medications taken by mouth in pill form for more severe infections
• Intravenous (IV) medications given through a vein for very severe cases

Topical antifungal medications are usually sufficient for most cases. These are applied to the skin twice daily until the rash resolves.^[10] Your healthcare provider may prescribe these creams or ointments, or you may be able to buy them without a prescription at most drugstores.

For severe candida infections in the mouth, throat, or vagina, or for infections that don’t respond to topical treatment, you may need to take antifungal medicine by mouth. The most commonly used oral medication is fluconazole, typically given at a dose of 100 to 200 mg daily for seven days. Patients who are obese may require an increased dosage.^[10]

It’s important to use the medication for as long as your healthcare provider tells you to, even if symptoms improve before the treatment is finished.^[19] A yeast infection usually goes away after about a week of treatment.^[19]

Prevention

There are several steps you can take to help prevent skin candida infections:

Maintain good hygiene by keeping your skin clean and dry. Your healthcare provider may suggest using powder that contains an antifungal medicine in skin folds.^[1] Wear loose, breathable clothing instead of tight, synthetic underclothes.^[2] Cotton underwear can help prevent infections by allowing better air circulation.^[18]

If you use antibiotics or steroid medications, take them only as prescribed by a healthcare provider and exactly as directed. These medications can increase the risk of candida infections.^[18]

For infants, change diapers or undergarments frequently to prevent moisture buildup.^[1] Keep the area clean and dry between changes.

If you have diabetes, maintaining good blood sugar control helps prevent yeast infections. People with weakened immune systems should work with their healthcare providers to manage their conditions and reduce infection risk.^[2]

Skin barrier protectants, such as zinc oxide ointment and petroleum jelly, used as part of a structured skin care routine that includes gentle cleansing and moisturizing, may help reduce recurring infections.^[16]

Outlook

Skin candida often goes away with treatment, especially if the underlying cause is corrected.^[1] With proper medication and improved hygiene, most people see their symptoms improve within a few days to two weeks.^[3]

However, repeat infections are common, particularly if risk factors such as obesity, diabetes, or immune system problems are not addressed.^[1] Some people may experience recurring infections that require ongoing management.

While skin candida itself is not a serious infection, you should still seek treatment right away to relieve symptoms. If left untreated, severe infections could potentially spread to other parts of the body.^[3] In rare cases, particularly in people with severely weakened immune systems, widespread candidiasis may occur.^[1]

Contact your healthcare provider if you develop symptoms of skin candida, if symptoms don’t improve after starting treatment, or if infections keep returning. With appropriate care and attention to prevention, most people can successfully manage skin candida infections.