Effective Treatments for White Sweat Spots: Myths and Facts - Dermatology

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How to treat tinea versicolor?


If you have white sweat spots on your hands, how should you treat them? I've been applying ointment for a long time, but it hasn't been effective.
Is there a faster way to treat it with medication? I've heard that using anti-dandruff shampoo can help quickly.
Is it contagious?

Jia, 10~19 year old female. Ask Date: 2005/07/29

Dr. Huang Ruiyun reply Dermatology


After the treatment of tinea versicolor, the lighter areas of the skin will not immediately return to their original color; it may take several months for the skin tone to adjust back naturally.
The side effects of oral medications can be significant, so it is advisable to avoid them.
Anti-dandruff shampoos are effective against tinea versicolor.
Most people carry the fungus that causes tinea versicolor on their skin, but it does not necessarily manifest, so it is not considered a contagious disease.

Reply Date: 2005/07/29

More Info


When it comes to treating white sweat spots, often referred to as "white patches" or "white sweat stains," it's essential to first understand the underlying causes and the appropriate treatment options available. These white spots can be caused by various factors, including skin conditions, sweat gland issues, or even fungal infections.

Understanding White Sweat Spots
White sweat spots can occur due to a condition known as pityriasis alba, which is characterized by light-colored patches on the skin, often seen in children and young adults. This condition is generally harmless and may be associated with dry skin or eczema. Another possibility is tinea versicolor, a fungal infection that can cause lighter or darker patches on the skin, particularly after sun exposure.

Treatment Options
1. Topical Treatments: If you've been using topical creams for a long time without success, it may be time to reassess the treatment. Over-the-counter hydrocortisone creams may help reduce inflammation if the spots are due to eczema or irritation. For fungal infections, antifungal creams like clotrimazole or ketoconazole can be effective.
2. Oral Medications: In cases where topical treatments are ineffective, oral antifungal medications may be prescribed by a healthcare provider. These can help clear up fungal infections more rapidly than topical treatments alone.

3. Medicated Shampoos: Some individuals have found success using anti-dandruff shampoos containing ingredients like selenium sulfide or ketoconazole. These shampoos can help if the white spots are related to a fungal issue on the scalp or skin. However, they should be used as directed and may not be effective for all types of skin conditions.

4. Moisturizers: Keeping the skin well-hydrated can help prevent dryness, which may exacerbate conditions like pityriasis alba. Look for non-comedogenic moisturizers that won't clog pores.

5. Avoiding Irritants: If you suspect that your white sweat spots are due to irritation from sweat or clothing, consider wearing breathable fabrics and ensuring that you dry off thoroughly after sweating.


Myths and Facts
- Myth: White sweat spots are contagious.
Fact: Most conditions that cause white spots on the skin, such as pityriasis alba or tinea versicolor, are not contagious. They are often related to individual skin types or fungal overgrowth that does not spread from person to person.

- Myth: Using anti-dandruff shampoo will cure all types of white spots.
Fact: While anti-dandruff shampoos can be beneficial for certain fungal conditions, they are not a one-size-fits-all solution. It's crucial to identify the specific cause of the white spots for effective treatment.

- Myth: Over-the-counter treatments are always sufficient.
Fact: If over-the-counter treatments do not yield results after a reasonable period, it is advisable to consult a dermatologist. They can provide a proper diagnosis and recommend stronger prescription medications if necessary.


Conclusion
In summary, treating white sweat spots effectively requires an understanding of their underlying cause. While topical treatments and medicated shampoos can be beneficial, persistent or concerning symptoms warrant a visit to a dermatologist for a thorough evaluation. They can provide tailored treatment options that may include prescription medications or specialized therapies. Remember, maintaining good skin hygiene and hydration is also key in managing skin conditions effectively.

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