Diagnosis

The issues cause by the Late Effects of Polio (LEoP) aren’t caused by getting polio again, but rather by the lasting impact of the original infection. Some of the reasons include:

• less muscle tissue, which can lead to fatigue and pain
• postural problems (like scoliosis or curvature of the spine), which can affect breathing and sleep
• extra stress on joints, leading to pain or arthritis
• weak bones from not being able to use certain muscles fully
• muscle weakness that happens faster than with normal aging.

In Post-Polio Syndrome (PPS), it’s believed that the nerve endings that grew to replace damaged ones after polio start to wear out over time. This might be triggered by things like inactivity, injury, surgery, or inflammation.

However, PPS can be hard to diagnose because there’s no specific test. Clinicians usually identify it by looking for:

• new or worsening symptoms (e.g. weakness or pain) that have lasted at least 12 months.
• a history of polio, even if not affected by paralysis.
• eliminating other possible causes for your symptoms.

There is still not enough research on PPS, even though many people are affected by the condition. Most of the research that is being done focuses on understanding what causes PPS, how to diagnose it, and how to treat it effectively.