If the brain's blood supply is decreased too much, the person may pass out (syncope). Symptoms may worsen when changing position from lying down or sitting, to standing up. In addition to feeling dizzy, associated symptoms may include: 1  Sweating. 2  Weakness. 3  Nausea and vomiting. 4  Shortness of breath. 5  Chest pain.
Most of the time, no apparent cause for night leg cramps can be identified. In general, night leg cramps are likely to be related to muscle fatigue and nerve problems. The risk of having night leg cramps increases with age. Pregnant women also have a higher likelihood of having night leg cramps. Several conditions, such as kidney failure and diabetic nerve damage, are known to cause night leg cramps. But if you have one of these, you're most likely aware of it and have symptoms other than night leg cramps.
Treating leg cramps. If the cause of your leg cramps is known, it may be possible to treat the underlying cause. For example, secondary leg cramps that are related to liver disease are caused by high levels of toxins in the blood which trigger muscles spasms.xercises during cramps. During an episode of leg cramp, stretch and massage the affected muscle. For example, if the cramp is in your calf muscle: 1  Straighten your leg and lift your foot upwards, bending it at the ankle so that your toes point towards your shin.