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It sounds like you might be asking about PIRA (Progression Independent of Relapse Activity) — a term used to describe the slow, silent worsening of MS symptoms that happens *outside* of relapses.

Think of relapses like a staircase — sudden steps up in symptoms. PIRA is more like a gradual ramp, so subtle it's easy to miss Show Full Answer

It sounds like you might be asking about PIRA (Progression Independent of Relapse Activity) — a term used to describe the slow, silent worsening of MS symptoms that happens *outside* of relapses.

Think of relapses like a staircase — sudden steps up in symptoms. PIRA is more like a gradual ramp, so subtle it's easy to miss or chalk up to "just getting older." PIRA can involve gradual changes in:

- Walking ability
- Stamina
- Coordination
- Thinking and memory

These shifts can quietly add up over time, which is why tracking symptoms regularly and sharing them with your neurologist is so important. Researchers believe PIRA is linked to low-level "smoldering" inflammation in the brain and spinal cord — even when MRI scans look stable.

The good news is that certain high-efficacy disease-modifying therapies (DMTs), especially when started early, appear to help slow this type of progression. It's worth bringing up PIRA with your neurologist to discuss whether your current treatment plan is addressing it.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

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