A-Z of types
Find out about a particular type of arthritis by clicking on the letters below. Or type all or part of the name of the condition into the search box.
Achilles tendonitis is inflammation of the Achilles tendon which is at the back of the heel and joins the calf muscle to the heel bone.
Acute calcific tendonitis is caused by apatite crystals being deposited in the tendon and these crystals move from the tendon into surrounding soft tissue.
Acute calcium pyrophosphate (CPP) crystal arthritis (sometimes called pseudogout) is one of the calcium crystal diseases where crystals are deposited within the joint. These cause sudden attacks of pain/inflammation.
Ankylosing spondylitis (AS) is a form of inflammatory arthritis that affects the joints of the lower back. ‘Ankylosing’ means stiffening and ‘spondylitis’ means inflammation of the spine.
Antiphospholipid syndrome (APS) is an autoimmune condition which can cause an increased risk of blood clots (thrombosis) and complications in pregnancy.
Back pain is a common problem affecting 80% of people at some stage in their lives. Back pain can affect different areas of the back and it can be short-lived (acute) or long-term (chronic).
Behçet’s disease (also known as Behçet's syndrome) is a very rare autoinflammatory condition in which blood vessels and tissues may become swollen.
Carpal tunnel syndrome (CTS) is very common and often occurs in women between 30 and 50 years old. It causes aching, pain or numbness in the hands, fingers or thumb.
Churg-Strauss syndrome is a type of vasculitis which often affects the lungs. Vasculitis is inflammation of the blood vessels.
Complex regional pain syndrome (CRPS) causes a chronic burning pain in a limb.
This is a condition which causes ligaments to calcify and harden, particularly around the spine causing back pain and stiffness and inflammation of the large joints, bones in the head, trunk and spine.
Enthesitis-related juvenile idiopathic arthritis (JIA) causes inflammation in the entheses – places where tendons attach to bones. It is characterised by acute uveitis (painful red eye) and usually affects the legs and spine.
Extended oligoarthritis is a type of juvenile idiopathic arthritis (JIA).
Fibromyalgia (FM) which can also be called fibromyalgia syndrome (FMS) is pain and causes stiffness in the muscles, ligaments and tendons. Symptoms also include fatigue, exhaustion and sleep disturbance.
Giant cell arteritis (GCA) causes blood vessels, especially those in the head, to become inflamed causing severe headaches and other symptoms.
Gout usually affects the big toes. It can affect other joints such as ankles, knees, hands, wrists or elbows, especially in people who get gout when they are older.
Wegener’s granulomatosis is a rare condition. It is a type of vasculitis. It is thought to be an autoimmune disease affecting red blood cells.
Hammer toes is a condition where toes are permanently bent – often toe 2 and 5.
Henoch-Schonlein purpura (HSP) typically has symptoms of a skin rash on the buttocks and joint pain and usually affects people under the age of 10. It is a form of vasculitis.
Hip pain can be felt in the hip, groin and down the thigh or in the knee or buttock. It is not usually a symptom of arthritis or other underlying condition.
Juvenile idiopathic arthritis – (JIA) refers to a type of arthritis with an onset under the age of 16. The term ‘Idiopathic’ means that the cause of the condition is unknown.
This is a rare condition which mainly affects those under five and is characterised by the symptoms listed below.
Lyme arthritis is an infection caused by bacteria, with symptoms similar to those of arthritis. It can occur as a result of untreated Lyme disease.
Microscopic polyangiitis is the inflammation of small and, less often, medium sized blood vessels.
Is a frequently occurring pain which does not commonly indicate any underlying condition.
Is a type of juvenile idiopathic arthritis. It is usually a mild form of arthritis which disappears and does not leave lasting damage to the joints.
Osteoarthritis (OA) is the most common form of arthritis. It causes joint pain and stiffness. Several different joints can be affected, but osteoarthritis is most frequently seen in the hands, knees, hips, feet and spine.
Paget's disease is a condition in which the normal cycle of bone renewal and repair is disrupted. Bones are weakened and bone pain is the most common symptom.
Palindromic rheumatism describes a form of joint pain that comes and goes in cycles or episodes, starting in one joint, perhaps moving to others before going away.
Patellofermoral pain syndrome is used to describe pain around the front of the knee and it is very common.
Plantar fasciitis refers to inflammation of your plantar fascia which is a ligament-type tissue that stretches from the heel to the bones in your foot.
Polyarteritis nodosa (PAN) is a type of vasculitis which causes inflammation of the blood vessels. It is potentially very serious but also very rare.
Polyarthritis is a type of juvenile idiopathic arthritis (JIA).
Polymyalgia rheumatica (PMR) is an inflammatory condition which involves many (poly) painful muscles (myalgia).
Polymyositis and dermatomyositis are autoimmune diseases which mean that the immune system attacks the body’s own healthy tissue. This inflames muscle (myositis means muscles inflammation) and skin, but it is not known why this happens.
Psoriatic arthritis (PsA) is a disease where joints around the body become painful, inflamed and sore.The exact cause of PsA is unknown. In most cases the arthritis develops after the appearance of psoriasis.
Raynaud's syndrome is a common condition where the blood supply to the fingers and toes is reduced causing your fingers and toes to turn white, then to blue and black then red when blood flow returns.
Reactive arthritis is inflammation in the joints that develops in reaction to an infection or virus elsewhere in the body. It is treatable and attacks are usually short-lived.
Rheumatoid arthritis is an autoimmune disease that causes inflammation in your joints. The main symptoms are joint pain and swelling.
Secondary arthritis can develop after injury to a joint – sometimes many years later.
Systemic lupus erythematosus (SLE or lupus) is a disease in which your body’s immune system starts attacking your body instead of defending it. Lupus can affect many different parts of your body.
Systemic onset juvenile idiopathic arthritis (sJIA) is a type of arthritis which is characterised by joint pain, tiredness, fever, loss of appetite and weight.
Systemic sclerosis is an autoimmune disease which involves excess collagen production and damage to blood vessels. It can cause physical disability affecting, joints, tendons and internal organs. It can be very serious.
Vasculitis means inflammation of the blood vessels. There are many different types. The most common symptom is inflammation.