Overview
Tinea versicolor (TIN-ee-uh vur-si-KUL-ur) is a common skin infection caused by a fungus. The fungus causes patchy changes in skin color. The affected skin may look lighter or darker than the healthy skin. This condition usually forms on the middle of the body and the shoulders.
Tinea versicolor is most common in teens and young adults. Sun exposure may make the skin changes more visible because they do not tan. The condition isn't painful or contagious. It's also called pityriasis versicolor.
Treatment involves antifungal creams, lotions or shampoos. Skin color may remain uneven for several weeks or months. Tinea versicolor often returns, especially in warm, humid weather.
Tinea versicolor
The overgrowth of fungus that causes tinea versicolor interferes with the normal pigment production of the skin. This creates an uneven skin color.
Symptoms
Tinea versicolor symptoms include:
- Patches of skin that are lighter or darker than surrounding skin. The skin color changes usually appear on the back, chest, neck and upper arms.
- Mild itchiness.
- Scaly skin.
When to see a doctor
See a healthcare professional if:
- Your skin doesn't improve with self-care measures.
- The fungal infection returns.
- The patches cover large areas of your body.
Causes
Tinea versicolor is caused by a yeast (fungus) that’s found on healthy skin. It causes symptoms when the fungus overgrows.
Risk factors
Risk factors for tinea versicolor include:
- Living in hot, humid weather.
- Having oily skin.
- Experiencing changes in hormone levels.