Signs and symptoms
... Post-polio syndrome refers to a cluster of disabling signs and symptoms that appear decades — between 10 and 40 years — after the initial illness. Common signs and symptoms include: New mu...

Causes
... Nobody knows exactly what causes these signs and symptoms to appear so many years after the first episode of polio. Currently, the most accepted theory regarding the cause of PPS rests on the idea of ...

Risk factors
... Factors that may increase your risk of developing PPS include: Severity of initial polio infection. The more severe the initial infection, the more likely that you''ll have severe signs and symptoms o...

When to seek medical advice
... If you''re experiencing weakness or fatigue that seems to be slowly getting worse, see your doctor. It''s important to rule out other causes of your signs and symptoms that may require different thera...

Screening and diagnosis
... To arrive at a diagnosis of PPS, doctors look for three indicators: Previous diagnosis of polio. This may require finding old medical records or getting information from older family members, because ...