Thumb is twitching. A hand tremor is not life-threatening, but it can be embarrassing or make daily tasks….
Nervous system conditions that can cause muscle twitching include:
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Using your thumbs for a long period of time on your mobile phone or other can cause weakness, fatigue, or stress in your thumbs.
If thumb twitching is constant or you notice other unusual symptoms, see a doctor to diagnose underlying conditions causing your muscle contractions.
Multiple sclerosis is a disorder where your immune system is compromised and the protective coverings of nerve cells are being attacked.
Repeating the same motion over and over again — like playing a video game or typing on a keyboard — can damage the muscles, nerves, tendons, and ligaments in gail ogrady nude hands.
Essential tremor is an inherited condition that makes the hands shake.
In other cases, treating an underlying medical cause may improve symptoms.