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Browse by letter for your condition


  • Calcium crystal diseases are caused by deposits of crystals in and around your joints. They can cause painful inflammation.

  • Carpal tunnel syndrome causes pain or aching and tingling or numbness in your hand. We explain the causes, diagnosis and treatments, and the importance of self-help measures.

  • Complex regional pain syndrome (CRPS) causes persistent pain in an arm or a leg. We explain the symptoms, possible causes, diagnosis and treatments, and the importance of self-help measures.

  • In cryoglobulin-associated vasculitis, proteins in the blood that stick together in the cold (cryoglobulins), can reduce the flow of blood or even block already inflamed blood vessels.


0800 5200 520

Our new helpline: Call us for free information, help and advice on your type of arthritis. Open Mon–Fri 9am–8pm.

All calls are recorded for training and quality purposes

Virtual Assistant

Our new Arthritis Virtual Assistant uses artificial intelligence to answer your arthritis related questions 24/7.

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Arthritis Research UK fund research into the cause, treatment and cure of arthritis. You can support Arthritis Research UK by volunteering, donating or visiting our shops.