Skip to main content
Ask Romi
en
  • English(Current language)
  • العربية(not available for this page)
  • Русский(not available for this page)
Get Your Plan

Menu

Should you exercise during a rheumatoid arthritis flare?

Yes, but not the same exercise. During a flare the work shifts to gentle range of motion, positioning and protecting the inflamed joint, while strengthening and loading wait. Stopping altogether costs strength that takes far longer to rebuild than the flare takes to settle.

Reading time
2 min
Written by
Romatem International editorial team
Last reviewed
Last updated

Does exercise make inflammatory arthritis worse?

The fear is understandable and the evidence does not support it. European rheumatology guidance recommends physical activity as a core part of care in inflammatory arthritis, on the same footing as it is recommended to the general population, and finds no signal that properly dosed exercise increases disease activity or joint damage.

What does damage joints over time is the combination of uncontrolled inflammation and the deconditioning that follows avoiding movement. The drugs address the first. Exercise addresses the second, and nothing else does.

What changes when a joint is actively inflamed?

Load comes off the flaring joint and stays on everything else. Full range of motion is taken through gently, once or twice a day, to stop the joint stiffening in a shortened position. Splinting or resting positions are used deliberately and for defined periods rather than all day.

Aerobic work usually continues in a form that avoids the joint: water for a flaring knee or ankle, a bike for an inflamed wrist. The aim is to arrive at the end of the flare with your fitness intact.

How do you tell a flare from ordinary training soreness?

Training soreness is spread across the muscles that worked, arrives within a day and eases with movement. A flare is joint pain with swelling, warmth and morning stiffness that lasts, often with fatigue that feels disproportionate. The two respond to opposite things, which is why the distinction matters.

The practical rule most rheumatology teams use: pain that has settled by the next morning was a dose you can repeat; pain that is worse the next morning was a dose to reduce.

Why is the rheumatologist part of the rehabilitation programme?

Because the exercise prescription depends on information the therapist does not hold: current disease activity, what the medication is doing, whether a joint is inflamed or mechanically damaged, and whether the neck has been affected — which changes what is safe to do with the head and shoulders.

Romatem was founded in rheumatology, and this is the practical reason the specialist reviews activity before the load is set and again when it is progressed.

Frequently asked questions

Is swimming better than weights?

They do different jobs. Water reduces load, which helps during and after a flare. Resistance training is what actually restores the strength that inflammatory arthritis takes away, and most programmes use both.

Should I stop exercising the day a flare starts?

Stop loading the flaring joint, not everything. Keep moving it through range, keep the rest of the body working, and reintroduce load as the swelling settles rather than waiting to feel completely normal.

Does fatigue mean I am overdoing it?

Not necessarily. Fatigue is a symptom of the disease itself, and in trials exercise reduces it rather than increasing it. Fatigue that worsens steadily over weeks is worth reporting to your rheumatologist.

Sources

  1. EULAR recommendations for physical activity in people with inflammatory arthritis and osteoarthritis: 2025 update — Annals of the Rheumatic Diseases (2026)

Where to next

Talk to someone before you decide

Four ways to reach the international office, depending on where you are. Nothing here commits you to treatment — a second opinion, a video consultation and a written plan are all free, and you can start with a question.