Potassium aggravated myotonia
Other Names for this Disease
- Myotonia fluctuans
- Myotonia permanens
- Myotonia congenita, atypical
- Myotonia congenita, acetazolamide-responsive
- K+-aggravated myotonia
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myotonia) of skeletal muscles, which are the muscles used for movement. The three types of potassium-aggravated myotonia include myotonia fluctuans, myotonia permanens, and acetazolamide-sensitive myotonia. Potassium aggravated myotonia is different from other types of myotonia because symptoms get worse when an affected individual eats food that is rich in potassium. Symptoms usually develop during childhood and vary, ranging from infrequent mild episodes to long periods of severe disease. Potassium aggravated myotonia is an inherited condition that is caused by changes (mutations) in the SCN4A gene. Treatment begins with avoiding foods that contain large amounts of potassium; other treatments may include physical therapy (stretching or massages to help relax muscles) or certain medications (such as mexiletine, carbamazapine, or acetazolamide).Potassium aggravated myotonia is a group of diseases that causes tensing and stiffness (
Last updated: 4/17/2012
- Potassium-aggravated myotonia. Orphanet. October 2010; http://www.orpha.net/consor/cgi-bin/Disease_Search.php?lng=EN&data_id=610&Disease_Disease_Search_diseaseGroup=612&Disease_Disease_Search_diseaseType=ORPHA&Disease(s)/group of diseases=Potassium-aggravated-myotonia&title=Potassium-aggravated-myotonia&search=Disease_Search_Simple. Accessed 4/17/2012.
- Potassium-aggravated myotonia. Genetics Home Reference. April 2007; http://ghr.nlm.nih.gov/condition/potassium-aggravated-myotonia. Accessed 4/17/2012.
- Genetics Home Reference (GHR) contains information on Potassium aggravated myotonia. This website is maintained by the National Library of Medicine.
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