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Rheumatoid arthritis symptoms in women: what to notice and test

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Lunarahealth
6 minut czytania
Vrouw met grijs haar rekt zich uit in een kamer vol daglicht.
Zdjęcie: Marc Pell via Unsplash

Rheumatoid arthritis rarely starts with pain. It starts with stiffness, usually in your fingers or wrists. That stiffness lasts more than an hour after you get up. That last part is the distinction doctors make: wear and tear loosens within minutes, inflammation needs far longer.

Then there is the timing. In many women those first complaints land right in the menopause, exactly when joint pain seems normal anyway. I think a lot of diagnostic delay hides there: the symptom gets blamed on the transition and nobody looks further.

What are the first symptoms of rheumatoid arthritis?

Rheumatoid arthritis is an autoimmune disease in which your immune system attacks the lining of your own joints. Symptoms usually start small, on both sides of the body at once, and in the small joints. They build over weeks to months, not in a single day.

A few signals that tend to appear together:

  • Morning stiffness lasting more than sixty minutes.
  • Swollen, warm knuckles or wrists, often the same left and right.
  • Pain that eases as you move rather than worsening.
  • Fatigue out of proportion to what you have done.
  • Sometimes a mild fever or unintended weight loss.

That symmetry is telling. Wear in one thumb after years of gardening is one thing. The same knuckles swelling on both hands is another.

What is the difference between rheumatoid arthritis and osteoarthritis?

Rheumatoid arthritis is inflammation, osteoarthritis is wear. That sounds like a detail, but it changes how the complaint behaves. With osteoarthritis you stiffen up as the day goes on and the joint takes more load. With rheumatoid arthritis you are worst in the morning and your hand only comes back to life after an hour.

Osteoarthritis also sits asymmetrically, in the joints you have used hardest: one knee, one hip, the base of a thumb. Rheumatoid arthritis prefers the small joints, on both hands.

Why do women get rheumatoid arthritis more often?

Autoimmune conditions affect around eight percent of the population, and 78 percent of those patients are women (PMID 18688037). Rheumatoid arthritis follows that pattern and is several times more common in women than in men.

The peak in new diagnoses also falls strikingly often after menopause. Researchers link that to the drop in oestrogen, which appears to have a dampening effect on the immune system (PMID 27178986). We do not know this for certain, but it does make the overlap with menopausal symptoms understandable.

How ordinary menopausal joint pain behaves is covered in the article on joint pain in menopause and the role of oestrogen. Read it alongside this one if you are unsure which of the two fits you.

Which blood values go with rheumatoid arthritis?

No single blood test proves or rules out rheumatoid arthritis. A doctor makes the diagnosis on the whole picture. That means your symptoms, your joints on examination, and a few supporting values. The two best known are rheumatoid factor and anti-CCP.

How good they are has been worked out carefully. In a meta-analysis in Annals of Internal Medicine, anti-CCP had a sensitivity of 67 percent and a specificity of 95 percent. Rheumatoid factor scored similarly on sensitivity, 69 percent, but clearly weaker on specificity, 85 percent (PMID 17548411).

ValueWhat it measuresStrengthWeakness
Anti-CCPAntibodies against citrullinated proteinsHighly specific, 95 percentMisses about a third of patients
Rheumatoid factorAntibodies against your own antibodiesWidely availableAlso positive in other conditions
CRPAcute inflammation proteinResponds within hoursSays nothing about the cause
ESRSedimentation rateCatches slow-running inflammationAlso rises with age or anaemia

Read that table closely, because there is a catch in it. A negative anti-CCP does not rule out rheumatoid arthritis: in roughly one in three people with the condition, the test is simply negative. That is called seronegative rheumatoid arthritis, and I think it is the main reason the diagnosis sometimes takes years.

Imagine two women of 48 with the same ninety minutes of morning stiffness. One has a positive anti-CCP and the story becomes clear quickly. The other tests negative on everything, while her symptoms are identical. Only the first gets a swift referral, and that difference is not in her joints.

What can you test yourself for joint complaints?

Rheumatoid factor and anti-CCP belong with your GP or rheumatologist, because they only mean something once someone has actually examined your joints. What you can bring into view yourself are the general inflammation markers: CRP and ESR, both available through building your own blood test.

Those two will not tell you whether you have rheumatoid arthritis. They will tell you whether inflammation is measurable, and that is exactly the information that makes a conversation with your GP more concrete. How to read them together sits in the overview on what CRP and ESR mean.

Keep in mind that a normal CRP does not invalidate your symptoms. In early rheumatoid arthritis, CRP can still sit under five while your joints are already inflamed. Thuisarts and the NHG therefore stress that the clinical picture leads, not one number.

When do you take this to your GP?

See your GP if your joints have been stiff or swollen for more than six weeks, especially when it affects both hands at once and morning stiffness lasts over an hour. In rheumatoid arthritis, starting early counts, and that is one of the few things doctors agree on completely.

Bring your results if you have them, and describe how long you need in the morning before your hands feel normal. That one detail tells your GP more than you would think.

References

  1. Nishimura K, Sugiyama D, Kogata Y, et al. Meta-analysis: diagnostic accuracy of anti-cyclic citrullinated peptide antibody and rheumatoid factor for rheumatoid arthritis. Ann Intern Med. 2007;146(11):797-808. PMID 17548411.
  2. Sapir-Koren R, Livshits G. Rheumatoid arthritis onset in postmenopausal women: does the ACPA seropositive subset result from genetic effects, estrogen deficiency, skewed profile of CD4+ T-cells, and their interactions? Mol Cell Endocrinol. 2016;431:145-163. PMID 27178986.
  3. Fairweather D, Frisancho-Kiss S, Rose NR. Sex differences in autoimmune disease from a pathological perspective. Am J Pathol. 2008;173(3):600-609. PMID 18688037.
  4. NHG and Thuisarts. Information on joint complaints and rheumatoid arthritis. Available via thuisarts.nl.

Every blood test result at Lunara includes a professional assessment by a BIG-registered doctor. For treatment decisions, discuss your results with your GP.

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