EXPERT advice from Dr Zoe Williams, our resident specialist and NHS GP Q) MY left thumb has been twitching for about three weeks. 2 Dr Zoe Williams helps a reader who has a problem with his thumb Credit: Olivia West It’s a trapped-nerve sort of twitch and you can visibly see it. Should I bother seeing a GP? A) This type of twitching that you describe is quite common and usually nothing to worry about.
The thumb is a common place for a twitch to occur, as is the eyebrow, and can result from activity in nerves connected to your thumb muscles, stimulating them and causing the twitching. Possible causes are fatigue , dehydration , salt imbalances in the blood, stress or excess caffeine consumption. More rarely, there are neurological conditions that can cause twitching of the thumb so if symptoms persist beyond a few weeks, or are associated with other unusual symptoms, then further examination is a good next step.
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