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Leg cramps: differential diagnosis and management
1East Carolina University School of Medicine, Greenville, North Carolina, USA.
American Family Physician
|November 1, 1995
Summary
Leg cramps are common, particularly in older adults. While treatments like stretching and supplements exist, their effectiveness varies, and the exact cause of many cramps remains unknown.
Area of Science:
- Neurology
- Internal Medicine
- Geriatrics
Background:
- Leg cramps are a frequent complaint, especially among the elderly population.
- A broad differential diagnosis is necessary to distinguish true cramps from other leg discomforts.
Purpose of the Study:
- To review the differential diagnosis of leg cramps.
- To discuss potential etiologies and current treatment options for leg cramps.
Main Methods:
- Literature review of leg cramps, differential diagnoses, and treatments.
- Analysis of conditions mimicking or causing leg cramps.
Main Results:
- Differential diagnosis includes true cramps (heat, hemodialysis, electrolyte disturbances), idiopathic cramps, contractures (metabolic myopathies, thyroid disease), tetany, and dystonias.
- Conditions like restless legs syndrome and periodic leg movements must be differentiated.
- The etiology of idiopathic leg cramps is not well understood.
Conclusions:
- Effective treatments for leg cramps are limited, with stretching, quinine sulfate, and vitamin E showing variable success.
- While no single treatment is definitively effective, symptom relief is often achieved with a combination of approaches.