What could be causing a weird sensation in my legs?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Weird sensations in the legs—such as tingling, crawling, burning, or numbness—can stem from several underlying causes. Common culprits include sacroiliac joint disorder, which affects the lower back and pelvis, or side effects from medications like escitalopram (a common SSRI). Abnormal sweating patterns occurring alongside these sensations may also point to nerve-related conditions or autonomic nervous system issues.

Because leg symptoms can signal anything from a minor medication side effect to a joint or nerve concern, identifying the root cause matters. The fastest way to narrow it down is to take a free, instant, online symptom check—it's confidential, doctor-developed, and can help you understand what's going on and what steps to take next.

Reviewed for medical accuracy: 07/14/2026

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Explanation

Weird sensations in your legs can have different causes. One possible reason is a sacroiliac joint disorder, which can cause leg symptoms and discomfort. Another potential cause is a medication side effect. For example, the medication escitalopram, which is used to treat depression and anxiety, can cause a condition known as restless legs syndrome. This condition makes your legs feel uncomfortable and can make you want to move them a lot.

Additionally, weird sensations might be linked to abnormal sweating patterns. This can include itching and other unusual feelings in the legs. If you are experiencing any of these symptoms, you can check your symptoms with our free AI-powered tool to help identify potential causes and determine whether you should seek medical attention.

(References)

Murakami E, Aizawa T, Kurosawa D, & Noguchi K. (2017). Leg symptoms associated with sacroiliac joint disorder and .... Clinical neurology and neurosurgery, 28410481.
Page RL 2nd, Ruscin JM, Bainbridge JL, & Brieke AA. (2008). Restless legs syndrome induced by escitalopram. Pharmacotherapy, 18225972.
Flores S, Davis MD, Pittelkow MR, Sandroni P, Weaver AL, & Fealey RD. (2015). Abnormal sweating patterns associated with itching .... The British journal of dermatology, 25597261.

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