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WebMD Symptom Checker

Itching or burning, Joint pain, Muscle cramps or spasms (painful) and Skin darkening

WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms itching or burning, joint pain, muscle cramps or spasms (painful) and skin darkening including Low potassium (hypokalemia), Lice, and Restless legs syndrome.

There are 25 conditions associated with itching or burning, joint pain, muscle cramps or spasms (painful) and skin darkening. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.