Muscle twitching

Definition

Muscle twitches are fine movements of a small area of muscle.

Considerations

Muscle twitching is caused by minor muscle contractions in the area, or uncontrollable twitching of a muscle group that is served by a single motor nerve fiber.

Muscle twitches are minor and often go unnoticed. Some are common and normal. Others are signs of a nervous system disorder.

Causes

Causes may include:

Nervous system conditions that can cause muscle twitching include:

Symptoms of a nervous system disorder include:

Home Care

No treatment is needed for benign muscle twitching in most cases.

When to Contact a Medical Professional

Call your health care provider if you have long-term or persistent muscle twitches or if twitching occurs with weakness or loss of muscle.

What to Expect at Your Office Visit

Your provider will take a medical history and perform a physical exam.

Medical history questions may include:

Tests depend on the suspected cause, and may include:


Review Date: 2/27/2016
Reviewed By: Amit M. Shelat, DO, FACP, attending neurologist and Assistant Professor of Clinical Neurology, SUNY Stony Brook, School of Medicine. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

This information should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. © 1997- 2007 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.