Arthritis Affects All Ages
Around 15,000 children and young people in the UK live with juvenile idiopathic arthritis, and many more young adults are diagnosed with rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis or lupus before the age of 40. Early-onset osteoarthritis also occurs after sports injuries, joint hypermobility or genetic cartilage disorders. The 'old person's disease' label is one of the biggest barriers to early diagnosis.
Juvenile Idiopathic Arthritis (JIA)
JIA is an umbrella term for several autoimmune forms of arthritis starting before age 16. Symptoms include joint swelling lasting more than six weeks, morning stiffness, limping, fever and a salmon-pink rash in some subtypes. Eye inflammation (uveitis) is a hidden complication that requires regular screening. Modern biologics have transformed outcomes — most children now reach adulthood with little or no joint damage.
Inflammatory Arthritis in Young Adults
Rheumatoid arthritis can begin in the 20s and 30s, often presenting with symmetrical small-joint pain, prolonged morning stiffness and fatigue. Axial spondyloarthritis typically starts with deep buttock or lower-back pain that wakes the second half of the night and improves with movement. Early specialist referral within 12 weeks of symptom onset dramatically improves long-term outcome.
Post-Traumatic Osteoarthritis
Anterior cruciate ligament tears, meniscal injuries, ankle fractures and recurrent shoulder dislocations all raise the risk of OA decades earlier than the general population. Roughly half of footballers with a major knee injury develop knee OA within 10-20 years. Rehabilitation, weight management and ongoing strength work reduce that risk.
Genetic and Metabolic Causes
Conditions such as Ehlers-Danlos syndrome, haemochromatosis, alkaptonuria and familial early OA can cause joint damage in teenagers and young adults. A family history of early arthritis warrants specialist review.
School, Work and Identity
Young people with arthritis face unique challenges: missed school, visible joint swelling, restrictions in sport, and the social weight of looking 'fine' while feeling exhausted. Reasonable adjustments for exams, university and early career are available. Read our mental health guide — psychological support should be part of every young person's care plan.
The Outlook is Better Than Ever
Earlier diagnosis, targeted biologics and structured rehabilitation mean most young people with arthritis now live active, full lives. The goal is no longer just symptom control but full remission and normal function.