Written by: Dr Subita Alagh
21 July 2025
Sudden painful cramps during exercise or sleep? Dehydration might be the hidden culprit. Learn how fluid and electrolyte loss affects your muscles, and how to prevent it.
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Painful, involuntary tightening of muscles. Usually temporary, often relieved by stretching.
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Hot weather and excessive sweating can lead to loss of fluids and salts.This can cause an imbalance in electrolytes, which may trigger muscle spasms.
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- Muscle fatigue - Poor conditioning - Spinal reflex imbalances - Muscle damage (as seen in marathoners)
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- Stop activity - Stretch and massage - Rehydrate by adding electrolytes (milk, bananas, ORS)
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Risk is higher in: - Children & older adults - Endurance athletes - People taking certain meds (diuretics, statins)
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If cramps are: - Severe or frequent - Not helped by home care - May signal thyroid, nerve, or circulation issues
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