Why is my eye twitching?

Last updated September 3, 2026.

An eye twitch is almost always a harmless eyelid flutter fed by stress, tiredness, caffeine, or alcohol - the NHS says twitches are usually nothing to worry about. It fades when the fuel is removed. The check-it line: still twitching after 2 weeks, or the lid closes fully with each twitch. Pymander is a free AI doctor, 24/7 by text, and can help you review your triggers.

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