Muscle cramps
Muscle cramps are sudden involuntary contractions. Common triggers include muscle overuse and dehydration; electrolyte disturbances, medicines, pregnancy and some medical conditions can also contribute.
Possible causes and context
- Muscle overuse or strain
- Dehydration
- Electrolyte disturbances
- Pregnancy, medicines, nerve, thyroid or kidney-related conditions
When to seek medical advice
Medical review is appropriate for severe, frequent or long-lasting cramps, especially when accompanied by swelling, redness, warmth or muscle weakness.
What might professional evaluation consider?
Evaluation depends on the symptom. A healthcare professional may ask about duration, sleep and lifestyle, medicines, diet and accompanying symptoms, and may arrange an examination or appropriate laboratory tests when indicated. The right tests depend on the individual clinical picture.
Related nutrition references
These links are for learning only. Their presence does not mean the nutrient is the cause of this symptom or that supplementation is appropriate.