Cutaneous candidiasis is an infection of the skin with a candida fungus.
The body normally hosts a variety of germs, including bacteria and fungi. Some of these are useful to the body, some produce no harm or benefit, and some can cause harmful infections.
Some fungal infections are caused by fungi that live on the hair, nails, and outer skin layers. They include yeast-like fungi such as Candida.
In cutaneous candidiasis, the skin is infected with Candida fungi. This type of infection is fairly common. It can involve almost any skin on the body, but most often it occurs in warm, moist, creased areas such as the armpits and groin. The fungus that most often causes cutaneous candidiasis is Candida albicans.
Candida is the most common cause of diaper rash in infants. The fungi take advantage of the warm, moist conditions inside the diaper. Candida infection is particularly common in people with diabetes and in those who are obese. Antibiotics, steroid therapy, and chemotherapy increase the risk of cutaneous candidiasis. Candida can also cause infections of the nails, edges of the nails, and corners of the mouth.
Oral thrush, a form of Candida infection of the moist lining of the mouth, usually occurs when people take antibiotics. It may also be a sign of an HIV infection or other weakened immune system disorders when it occurs in adults. Individuals with Candida infections are not usually contagious, though in some settings people with weakened immune systems may catch the infection.
Candida is also the most frequent cause of vaginal yeast infections. These infections are common and often occur with antibiotic use.
People with seriously weakened immune systems and cutaneous candidiasis may go on to develop more serious Candida infections inside their body.
A candida infection of the skin can cause intense itching.
Symptoms also include:
Your health care provider can usually diagnose this condition by looking at your skin. Your provider may gently scrape off a sample of skin for testing.
Older children and adults with a yeast skin infection should be tested for diabetes. High sugar levels, seen in people with diabetes, act as food for the yeast fungus, and help it grow.
Good general health and hygiene are very important for treating candida infections of the skin. Keeping the skin dry and exposed to air is helpful. Drying powders may help prevent fungal infections.
Losing weight may help eliminate the problem if you are overweight.
Proper blood sugar control may also be helpful to those with diabetes.
Antifungal skin creams or ointments may be used to treat a yeast infection of the skin, mouth, or vagina. You may need to take antifungal medicine by mouth for severe candida infections in the mouth, throat, or vagina.
Cutaneous candidiasis sometimes goes away with treatment. Repeat infections are common.
These complications may occur:
Call for an appointment with your health care provider if you develop symptoms of cutaneous candidiasis.
Skin infection - fungal; Fungal infection - skin; Skin infection - yeast; Yeast infection - skin; Intertriginous candidiasis; Cutaneous candidiasis
Edwards JE Jr. Candida species. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 8th ed. Philadelphia, PA: Elsevier Churchill Livingstone; 2014:chap 258.
Kauffman CA. Candidiasis. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 346.
Updated by: Jatin M. Vyas, MD, PhD, Associate Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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