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- Muscle cramps facts
- What are muscle cramps?
- What are the types and causes of muscle cramps?
- Types of muscle cramps: True cramps
- Types of muscle cramps: True cramps (Part 2)
- Types of muscle cramps - True cramps (Part 3)
- Types of muscle cramps - True cramps (Part 4)
- Types of muscle cramps - Tetany
- Types of muscle cramps - Contractures
- Types of muscle cramps - Dystonic cramps
- Do all muscle cramps fit into the above categories?
- Can medications cause muscle cramps?
- Can vitamin deficiencies cause muscle cramps?
- Can poor circulation cause muscle cramps?
- What are the symptoms of common muscle cramps? How muscle cramps diagnosed?
- What is the treatment of skeletal muscle cramps?
- What is the treatment of skeletal muscle cramps? (Continued)
- How can muscle cramps be prevented?
- How can muscle cramps be prevented? (Part 2)
- How can muscle cramps be prevented? (Part 3)
- How can muscle cramps be prevented? (Part 4)
- Are there particular concerns for older adults?
- Are there medications to prevent muscle cramps?
- What is the prognosis of recurrent muscle cramps?
Types of muscle cramps - Tetany
In tetany, all of the nerve cells in the body are activated, which then stimulate the muscles. This reaction causes spasms or cramps throughout the body. The name tetany is derived from the effect of the tetanus toxin on the nerves. However, the name is now commonly applied to muscle cramping from other conditions, such as low blood levels of calcium and magnesium. Low calcium and low magnesium, which increase the activity of nerve tissue nonspecifically, also can produce tetanic cramps. Often, such cramps are accompanied by evidence of hyperactivity of other nerve functions in addition to muscle stimulation. For instance, low blood calcium not only causes spasm of the muscles of the hands and wrists, but it can also cause a sensation of numbness and tingling around the mouth and other areas.
Sometimes, tetanic cramps are indistinguishable from true cramps. The accompanying changes of sensation or other nerve functions that occurs with tetany may not be apparent because the cramp pain is masking or distracting from it.