Muscle Twitching: Common Causes, Magnesium Deficiency and When to See a Doctor
Muscle twitching is a small, involuntary movement that may be felt or seen under the skin. It can affect the eyelid, calf, thumb, or other muscles. Occasional twitching is often harmless and may be linked to stress, poor sleep, strenuous exercise, caffeine, dehydration, or anxiety. Low levels of minerals such as magnesium, potassium, and calcium can also affect nerve and muscle function. However, twitching alone does not confirm magnesium deficiency. Medications, fatigue, dehydration, and other medical conditions may produce similar symptoms. A balanced diet with leafy vegetables, beans, nuts, seeds, whole grains, avocado, bananas, dairy, or soy products can support magnesium intake. Speak with a healthcare professional before using supplements, especially if symptoms continue. Seek medical advice if twitching is persistent, frequent, or occurs with weakness, muscle loss, numbness, tingling, or changes in sensation. A clinician can review possible triggers and recommend tests where necessary.
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