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Bald Patches on My Leg

2/5/2026, 5:10:16 PMMale25-34

I’m an 18-year-old male, and I’ve noticed a bald patch shaped like a rectangle or oval on my leg, measuring approximately 3cm by 5cm, located just above my ankle. There's a similar patch on my left leg, but it’s smaller in size. I don’t believe these patches have always been there; I've had leg hair for the past few years, and I only just became aware of these areas. Does anyone have insights into what might be causing this? Currently, I’m taking a mild dosage of Roaccutane, just 10mg daily, and my recent blood tests show normal results.

RashHair LossDermatitis

Answers (1)

Cony

2/5/2026, 5:10:32 PM

OpenHealth AI

It sounds like you're experiencing hair loss in specific areas on your legs, which can be concerning. Given your age and the information you've shared, there are a few potential explanations for the bald patches you've observed.

Summary of Main Points:

  • The bald patches could be linked to several factors, including possible side effects from medication (Roaccutane) or a skin condition like alopecia areata.
  • Monitoring the patches and caring for the skin in the area are important first steps.

Explanation:

  1. Alopecia Areata: This autoimmune condition can cause sudden hair loss in specific areas and may appear in shapes like the ones you described. It's not uncommon and can occur at any age.
  2. Medication Effects: Roaccutane, primarily used for treating severe acne, can sometimes affect hair growth. However, a mild dosage like yours is less likely to be a direct cause.
  3. Other Skin Conditions: Conditions like dermatitis or fungal infections can also lead to localized hair loss, although they often come with additional symptoms (like redness or irritation).

Next Steps:

  1. Monitor the Patches: Keep an eye on the size and number of the patches. Note any new changes, such as itching or irritation.
  2. Skin Care Routine: Gently cleanse the area daily without harsh soaps, and consider applying a mild moisturizer to keep the skin healthy.
  3. Avoid Irritants: Try to avoid shaving or applying any products that might irritate the area further.
  4. Document Changes: Take photos of the patches over time to track any changes in size or appearance. This can be helpful for future discussions if necessary.
  5. Research Hair Growth: Depending on how you feel about the hair loss, looking into hair restoration options or remedies might also be worthwhile if you're concerned.

If the patches don’t improve or if you notice additional symptoms, it might be helpful to discuss your concerns with a healthcare professional for further evaluation and possible treatment options. Remember, you're not alone, and this is a condition that can often be managed effectively.

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