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Tinea versicolor (say "TIH-nee-uh VER-sih-kuh-ler") is a fungal
infection that causes many small, flat spots on the skin. The spots can be
flaky or mildly itchy. The many small spots may blend into large patchy areas,
usually on the oily parts of the upper body like the chest and back. The spots
can be either lighter or darker than the skin around them.
Tinea versicolor is caused by a
fungus. This fungus lives all around us, including on
the skin. Normally, regular washing and showering removes dead skin and fungi
(more than one fungus). But in hot and humid weather, such as during the summer
or in tropical areas, fungi may grow more rapidly. As these fungi grow in
number, their natural balance on the skin is affected, the normal color of the
skin changes, and spots appear.
People with oily skin, especially teens and young adults, are
more likely to get tinea versicolor. It does not spread from person to
Other things that increase your chance of getting tinea
Symptoms of tinea versicolor include small, flat, round or oval
spots that may, over time, form patches. The spots occur on oily areas of skin
on the upper chest, back, or upper arms or, less often, on the upper thighs,
neck, or face.
The spots can be lighter or darker than the skin around them.
If your skin tends to get darker with sun exposure, the spots may be easier to see in the summer because
they don't tan with the rest of your skin. For people whose skin is lighter during the winter, the spots may
be harder to see at that time of year.
The spots are flat and may be white, pink, red, tan, or brown,
depending on your skin color. Each person's spots are usually just one color.
The spotted skin may be scaly. Although it's not common, your skin may itch, especially when you are hot.
Your doctor often can tell if you have tinea versicolor by
looking at the spots.
He or she may look at a sample (scraping) of the infected
skin under a microscope. The test used most often for this is the
KOH test. This can show whether the problem is caused by a fungus.
Treatment can prevent the rash from spreading and
improve the appearance of your skin. The condition is easy to treat. But not everyone chooses to get
treatment. You only need to treat the infection if it bothers you or causes problems.
Products that you put on your skin (topical treatments) are the most common treatment for tinea versicolor.
If the infection is severe, returns often, or does not get better with skin care, your doctor may
prescribe antifungal pills. Pills tend to be easier for people to use than the products that you put on your skin. They may also work better at curing the rash. But they have side effects and can affect your heart and liver, so you may need blood tests while you're taking them. People with liver problems, heart problems, or other health problems may not be able to take the pills.
Treatment kills the fungi quickly. But it can take months for
the spots to disappear and for your skin color to return to normal. Also, the infection tends to come back after treatment. It may come and go over the years. In general, it tends to get better as you get older.
If you have frequent problems with tinea versicolor, there are a couple of things you can do so that it is less likely to come back.
Some doctors believe that fungi that remain in clothing may cause the
infection to return. Normal washing and cleaning is usually effective in
removing the fungus from clothes. But for persistent tinea versicolor, you may need
to dry-clean your clothes or wash them in the hottest possible water.
Learning about tinea versicolor:
Other Works Consulted
Berger TG (2012). Dermatologic disorders. In SJ McPhee, MA Papadakis, eds., 2012 Current Medical Diagnosis and Treatment, 51st ed., pp. 93–163. New York: McGraw-Hill.
Gupta AK, Cooper EA (2010). Tinea versicolor (pityriasis versicolor). In MG Lebwohl et al., eds., Treatment of Skin Disease: Comprehensive Therapeutic Strategies, 3rd ed., pp. 746–748. Edinburgh: Saunders Elsevier.
Hall JC (2010). Other papulosquamous dermatoses. In JC Hall, ed., Sauer’s Manual of Skin Diseases, 10th ed., pp. 164–173. Philadelphia: Lippincott Williams and Wilkins.
Muncaster A (2010). Pityriasis rosea. In MG Lebwohl et al., eds., Treatment of Skin Disease: Comprehensive Therapeutic Strategies, 3rd ed., pp. 571–572. Edinburgh: Saunders Elsevier.
Wolff K, et al. (2013). Pityriasis rosea. In Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology, 7th ed., pp. 65–67. New York: McGraw-Hill.
Current as of:
March 12, 2014
E. Gregory Thompson, MD - Internal Medicine & Randall D. Burr, MD - Dermatology
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