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A woman holding the back of her neck

There are about 200 different musculoskeletal conditions. Arthritis is a term used by doctors to describe inflammation within a joint, while rheumatism is a more general term that's used to describe aches and pains in or around the joints. Because there are many possible causes of these pains doctors don't often use the term rheumatism and will usually refer to these problems either by a specific diagnosis or according to the part of the body affected. Doctors sometimes use the term 'musculoskeletal conditions' or 'the rheumatic diseases' to refer to a whole range of conditions that affect the joints. 

Browse by letter for your condition


  • A man holding his elbow

    Elbow pain

    Elbow pain is very common and usually doesn’t have a serious cause. We explain the causes, how it’s diagnosed and treated, and the importance of self-help measures.

  • A group of friends in a coffee shop

    Enthesitis-related JIA

    Enthesitis-related JIA is a type of juvenile idiopathic arthritis (JIA), which affects the places where tendons attach to bones including the legs and spine.

  • Man cutting vegetables

    Eosinophilic granulomatosis with polyangiitis

    Eosinophilic granulomatosis with polyangiitis causes asthma to develop in adults, followed by inflammation of the blood vessels caused by swellings called granulomas.

  • A group of young people camping

    Extended oligoarthritis

    Extended oligoarthritis is a type of juvenile idiopathic arthritis (JIA) which develops to affect a number of joints.


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.

Ask a question
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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.