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Published on: 8/18/2026

What could cause severe pain in both thighs?

Severe pain in both thighs may result from several conditions, including painful intramuscular lipomas (benign fatty tumors within the muscle), lobular panniculitis (inflammation of the fat layer beneath the skin), or acute muscle pain triggered by physical activity or overexertion.

Because thigh pain can stem from muscular, vascular, neurological, or inflammatory causes, identifying the underlying issue early is essential for effective treatment. A quick, guided assessment can help you narrow down likely causes and decide whether home care, a primary care visit, or urgent evaluation is appropriate. Take a free, instant, online symptom check to better understand your thigh pain and confidently plan your next steps.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Severe pain in both thighs can have several causes. One possible reason is a painful intramuscular lipoma, which is a benign growth of fat cells within the muscle that can cause discomfort (Reference 1). Another cause could be lobular panniculitis, an inflammatory condition affecting the fat under the skin, which can lead to pain and lipoatrophy, or loss of fat tissue, in the thighs (Reference 2). Additionally, acute muscle pain, especially in adolescent athletes, can occur due to intense physical activity or strain on the muscles (Reference 3).

Possible Causes of Thigh Pain:

  1. Intramuscular Lipoma:
  • Benign fat growth within muscle
  • Can cause significant pain
  1. Lobular Panniculitis:
  • Inflammation of fat tissue under the skin
  • Leads to pain and fat loss in thighs
  1. Acute Muscle Pain:
  • Often seen in athletes
  • Results from intense physical activity

Understanding these conditions can help in identifying the cause of thigh pain. To get personalized insights about your symptoms and potential causes, try Ubie's free AI symptom checker before seeking appropriate medical advice.

(References)

  • Gutknecht DR. (2004). Painful intramuscular lipoma of the thigh. Southern medical journal, 15586608.

  • Weise G, Hupp M, Kerstan A, & Buttmann M. (2012). Lobular panniculitis and lipoatrophy of the thighs with .... Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia, 22721889.

  • Faigel HC. (1996). Acute Muscle Pain in an Adolescent Athlete. Adolescent medicine (Philadelphia, Pa.), 10359981.

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