Table of Contents
- 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 - Dystonic cramps
- Q: What mimics a muscle cramp?
- 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 types of doctors treat 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?
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What are the types and causes of muscle cramps?
Skeletal muscle cramps can be categorized into four major types. These include "true" cramps, tetany, contractures, and dystonic cramps. Cramps are categorized according to their different causes and the muscle groups they affect.
Types of muscle cramps: True cramps
True cramps involve part or all of a single muscle or a group of muscles that generally act together, such as the muscles that flex several adjacent fingers. Most authorities agree that true cramps are caused by hyperexcitability of the nerves that stimulate the muscles. They are overwhelmingly the most common type of skeletal muscle cramps. True cramps can occur in a variety of circumstances as follows.
Longo, D.L., et al. Harrison's Principles of Internal Medicine, 18th ed. United States: McGraw-Hill Professional, 2011.
"Muscle Spasms, Cramps, and Charley Horse." WebMD.com. Sept. 5, 2012. <http://www.webmd.com/pain-management/muscle-spasms-cramps-charley-horse>.
United States. Food and Drug Administration. "FDA Drug Safety Communication: New Risk Management Plan and Patient Information Guide for Qualapin (Quinine Sulfate)." July, 8, 2010.