Generally, sun fungus (Tinea versicolor) is not harmful.
Here's a more detailed explanation:
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What is Sun Fungus? Sun fungus, also known as Tinea versicolor, is a common skin condition caused by an overgrowth of Malassezia, a type of yeast (fungus) that naturally lives on your skin. It is most noticeable after sun exposure.
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Why does sun exposure make it more noticeable? The affected areas of skin don't tan normally, leading to patches that are lighter (hypopigmentation) or darker (hyperpigmentation) than the surrounding skin. This contrast is most apparent after tanning.
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Is it harmful? No, Tinea versicolor is not harmful or contagious. It's primarily a cosmetic concern.
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Symptoms: The primary symptom is discolored patches on the skin, often on the back, chest, shoulders, and upper arms. The patches can be:
- Lighter or darker than the surrounding skin
- Slightly scaly
- May itch mildly
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Causes and Risk Factors: The overgrowth of Malassezia can be triggered by:
- Hot, humid weather
- Excessive sweating
- Oily skin
- Weakened immune system
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Treatment: Tinea versicolor can be treated with antifungal medications, either topical (creams, lotions, shampoos) or oral. Treatment is usually effective, but recurrence is common.
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In summary: While sun fungus can be cosmetically bothersome and may cause mild itching, it poses no significant health risk and is not contagious.
