How can heat be used to treat a muscle spasm?

Juan P. Villablanca, MD on behalf of UCLA Health

Neuroradiology

When heat is applied to a muscle that is having spasms, it increases circulation to the muscle, which in turn helps the muscle to relax. It helps the body remove the acid in the muscle that accumulates when the muscle is chronically contracted. Heat tends to relax our bodies all over, and it has this effect on muscle spasms as well.

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Muscle Spasm

Muscle spasms can be harmless, caused by a minor muscle contraction, or the sign of something more serious. This muscle contraction can occur in various parts of the body, too. A common leg muscle spasm is known as a charley horse, and it typically happens at night due to dehydration or an imbalance of electrolytes. Some people also experience back spasms when their muscles and spine are out of sync. Learn more about causes and treatment for muscle spasms with expert advice from Sharecare.

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