Poor circulation may also contribute to nighttime cramps. Conditions that reduce blood flow to the legs can limit the delivery of oxygen and nutrients to muscle tissues. Individuals with peripheral artery disease, diabetes, or cardiovascular problems may experience cramps more frequently than others.
In some cases, leg cramps are associated with nerve compression. Problems affecting the spine, such as lumbar stenosis or nerve irritation, can interfere with signals traveling between the brain and muscles. This may lead to muscle spasms, weakness, numbness, or tingling sensations in the legs.
Certain medications can also increase the risk of muscle cramps. Some blood pressure medications, diuretics, cholesterol-lowering drugs, and other treatments may affect fluid balance or electrolyte levels. Anyone experiencing frequent cramps after starting a new medication should discuss the issue with their healthcare provider.
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