If You Often Get Leg Cramps at Night, Your Body May Be Sending a Warning Sign
Nighttime leg cramps are common and usually harmless, but frequent cramps can sometimes be associated with dehydration, muscle fatigue, certain medications, nerve problems, kidney disease, diabetes, thyroid disorders, or circulation problems. Often, however, no specific cause is found.
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Mayo Clinic
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Possible reasons for frequent cramps
Dehydration or heavy sweating
Muscle overuse or prolonged inactivity
Certain medicines, including some blood-pressure and cholesterol medicines
Nerve problems, including diabetic neuropathy
Kidney or thyroid disorders
Circulation problems, such as peripheral artery disease
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Mayo Clinic
What to do when a cramp strikes
Gently stretch and massage the muscle. For a calf cramp, straighten the leg and pull your toes toward your face. Standing and putting weight on the affected leg may also help.
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Mayo Clinic
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To reduce recurrence, stay adequately hydrated and try gentle calf stretching before bedtime.
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Mayo Clinic
When should you see a doctor?
Get evaluated if cramps frequently disturb your sleep, last longer than about 10 minutes, keep returning despite self-care, or occur with swelling, numbness, weakness, redness, or persistent pain.
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Mayo Clinic
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Important: A nighttime cramp by itself does not mean you have a blood clot. A clot more typically causes symptoms such as one-sided leg swelling, pain/tenderness, warmth, or skin discoloration and requires prompt medical assessment.
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