Welcome to the Periodic Paralysis Association

The Periodic Paralysis Association (PPA) welcomes you to our non-profit organization!

Periodic Paralysis is a group of disorders whereby patients become weak due to triggers such as rest after exercise or certain foods.  These disorders are part of a broader class of disorders called ion channelopathies, in which a genetic defect in a muscle ion channel results in symptoms of episodic stiffness or weakness in response to certain triggers.

This site does not deal with paralysis due to stroke or spinal cord injury.  The site contains some information about sleep paralysis, which is sometimes confused with periodic paralysis.

• Are you a Patient, Family Member, or Physician seeking information? 
• Are you interested in Membership in the PPA and access to our List Serve? 
• Are you interested in Genetic Testing Services for Periodic Paralysis related diseases? 
• Would you like to ask a question of our Medical Advisors at “Ask the Experts” ?

These questions and more are answered within our site.  Please feel free to browse the tabs on the left as well as our highlights at the bottom of this screen!  We welcome you to the PPA and will do our best to assist you as you search for answers about these rare diseases.

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Upcoming Events	Genetic Testing	Ask the Experts
11th Annual PPA Conference October 9 - 11, 2009	Information about Dr. Frank Lehmann-Horn and Genetic Testing	Please use this tab to Ask the Experts a question