Its very common for children to get joint pains which maybe due to growing pains, sedentary lifestyle, obesity or hypermobility. These are known as biomechanical pains which usually needs symptomatic treatment and muscle strengthening. The other causes of joint pains are childhood arthritis also known as Juvenile Idiopathic Arthritis (JIA) which can be of many types and needs timely referral for diagnosis and proper management. The rheumatologist may also first want to rule out other causes of joint swellings such as infections (septic arthritis or TB) or reactive arthritis.
Common symptoms are fevers, rashes, joint swellings, early morning stiffness, raised inflammatory markers on blood tests.