Periodic Paralysis Syndrome
Periodic paralysis is a rare condition that is usually inherited. It causes occasional episodes of severe muscle weakness. The two most common types of periodic paralysis are hypokalemic and hyperkalemic.
Periodic paralysis is a condition that is present from birth. Familial periodic paralysis is inherited, but may occur without a known family history. Periodic paralysis is caused by abnormalities of the electrolyte channels on muscles.
With the inherited form of the disorder, only one affected parent is needed to transmit the gene to the baby. Rarely, the condition occurs as a result of a noninherited genetic defect.
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Last reviewedJune 2013by Rimas Lukas, MD; Michael Woods, MD
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