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A 20-year-old male asked:

I am 20 year old and i feel pain in my leg muscles when i run or walk fast. this problem is from last few weeks.

1 doctor answer1 doctor weighed in
Dr. William Byars
Family Medicine 45 years experience
Many possibilities: You could have a thyroid problem. Also certain medicines can cause muscle aching or cramping. You may need some blood tests for conditions that can cause these symptoms.
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Last updated Apr 24, 2015

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