TL;DR: PMR often improves quickly with the right starting dose of steroids, but tapering safely takes months. Many people do well within 1–2 years, though some need longer. Relapses are common, especially with fast tapers or stress/illness, and are usually managed by adjusting the plan. Long-term outlook is generally good with careful monitoring.
Typical course
- Fast symptom relief after treatment starts (days to a week for many).
- A slow taper over months to keep symptoms controlled while lowering side effects.
- Relapses can happen (for example, when stepping down the dose). Most respond to a temporary dose increase, then a slower taper.
How doctors define “remission” and “relapse”
There’s no single universal definition. Many studies use practical definitions based on symptoms, ESR/CRP, and steroid dose. In clinic, your doctor focuses on how you feel and function, plus your labs.
What affects the timeline?
- Starting dose and taper speed (too fast usually results in more relapses)
- Other health issues (diabetes, osteoporosis risk, stomach problems)
- Response to therapy (some patients need steroid-sparing medicines)
Using guideline-based tapers and adding methotrexate in higher-risk or frequently relapsing cases can help some patients finish steroids sooner and more safely.
Long-term outlook
Most people with PMR have a good prognosis if monitored carefully — major risks usually come from steroid side effects, which your team works to prevent (bone protection, blood pressure/sugar checks, vaccinations).