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Why am I still in pain when my CRP is so low?

A myRAteam Member asked a question 💭

My CRP has been below normal range for about a year so why am I still in so much pain?

March 3
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A myRAteam Member

I’ve had 2 rheumatologists and they both said that CRP and ESR aren’t necessarily reliable tests for monitoring disease activity. Even at my worst, in terms of pain and joint swelling, those inflammation markers were never elevated. They are only one piece of the puzzle. Your numbers can be high with very little discomfort or normal with pain, swelling and inflammation. Try not to get too hung up on those lab valves. If you are still experiencing pain and disease activity, don’t be afraid to reach out to your doctor for guidance. Wishing you happy, peaceful, pain free days ahead. 🙂

March 3
A myRAteam Member

CRP is a blood test (c-reactive protein) and is one method to measure inflammation.

March 4
A myRAteam Member

thanks for posting this. My labs are always within range but I still experience pain and swelling from time to time.

March 3
myRAteam

Why am I still in pain when my CRP is so low?

It's actually quite common to have normal or low CRP levels while still experiencing pain and visible inflammation from RA. Studies have found that between 44 to 58 percent of people with RA have normal CRP levels, even when they're dealing with active symptoms.

CRP is just Show Full Answer

Why am I still in pain when my CRP is so low?

It's actually quite common to have normal or low CRP levels while still experiencing pain and visible inflammation from RA. Studies have found that between 44 to 58 percent of people with RA have normal CRP levels, even when they're dealing with active symptoms.

CRP is just one marker of inflammation, and it doesn't tell the whole story about what's happening in your body. A myRAteam member shared a similar experience: "All of my CRP tests have been normal, even though I have visible inflammation and pain."

Why this happens:

CRP levels measure a specific protein your liver produces in response to inflammation. However, RA affects everyone differently, and not everyone's body produces elevated CRP even when inflammation is present.

Your pain could be coming from:
- Joint damage that has already occurred
- Inflammation that isn't being captured by CRP testing
- Other factors related to RA that don't always show up in blood work

What you should do:

Talk to your rheumatologist about your ongoing pain. They can look at other markers like ESR (erythrocyte sedimentation rate) and rheumatoid factor, evaluate your joints directly, and consider whether your current treatment plan needs adjustment. Low CRP is good news, but it doesn't mean your symptoms should be dismissed.

March 3
A myRAteam Member

Thank you

March 4

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