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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.
Tetanus (or lockjaw) is a serious infection caused by Clostridium tetani bacteria which produce a toxin that affects the brain and nervous system. The toxin leads to stiffness in the jaw muscles as well as other muscles.The infection can cause severe muscle spasms, serious breathing difficulties, and can ultimately be fatal. Clostridium tetani spores can be found most commonly in soil, dust and manure, but also exist virtually anywhere.If deposited in a wound the neurotoxin interferes with nerves that control muscle movement.he infection can cause severe muscle spasms, serious breathing difficulties, and can ultimately be fatal. Clostridium tetani spores can be found most commonly in soil, dust and manure, but also exist virtually anywhere. If deposited in a wound the neurotoxin interferes with nerves that control muscle movement.