why is my thumb twitching?

Benign Fasciculation Syndrome Causes and Treatment

Thumb twitching, also called a tremor, happens when thumb muscles contract involuntarily, causing your thumb to twitch. Twitching can result from activity in nerves connected to your thumb muscles, stimulating them and causing the twitching. Thumb twitching is usually temporary and rarely caused by a serious condition.

Common Conditions Of The Thumb – Everything You Need To Know – Dr. Nabil Ebraheim

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