What might cause tingling and itching in both arms and legs?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Tingling and itching in the arms and legs are often caused by abnormal nerve signals or nerve damage. Common contributors include peripheral neuropathy, nerve compression or injury, and conditions affecting sweat regulation. These sensations may occur on their own or alongside numbness, burning, or weakness, and can signal an underlying issue that benefits from evaluation.

Because tingling and itching can stem from many different causes—ranging from minor nerve irritation to more serious neurological conditions—it's important to identify what's driving your symptoms before deciding on next steps. A free, instant, online symptom check can help you narrow down possible causes based on your specific symptoms, giving you a clearer picture of what may be going on and guiding you toward the right kind of care.

Reviewed for medical accuracy: 07/14/2026

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Explanation

Tingling and itching in both arms and legs can be uncomfortable and may have several causes. One possible reason is abnormal nerve signals, which can happen when nerves are not working right. For example, abnormal sweating patterns can be linked to itching, as nerves control sweating and can become overactive or misfire, causing sensations like itching.

Another possibility is nerve injury, which can happen from things like medical procedures. When a nerve is hurt, it might send signals to the brain that feel like tingling or itching. This is because the nerve can't send messages the right way anymore.

In summary, tingling and itching might come from nerves not working right or being hurt. If you're experiencing these symptoms, consider using a free AI-powered symptom checker to help identify potential causes, and talk to a healthcare provider to find out what's going on.

(References)

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.
Ju T, Vander Does A, & Yosipovitch G. (2022). Scalp dysesthesia: a neuropathic phenomenon. Journal of the European Academy of Dermatology and Venereology : JEADV, 35122352.
Boeson MB, Hranchook A, & Stoller J. (2000). Peripheral nerve injury from intravenous cannulation. AANA journal, 10876452.

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