
Most common causes of joint pains are- Autoimmune diseases such as rheumatoid arthritis and lupus,
Gout (especially found in the big toe), Infectious diseases, including Epstein-Barr viral syndrome, Hepatitis, Influenza, Lyme disease, Measles, Mumps, Parvovirus, Rheumatic fever, Rubella (German measles), Varicella (chickenpox), Injury, including fracture, Osteoarthritis, Osteomyelitis, Septic arthritis, Tendinitis, Unusual exertion or overuse, including strains or sprains.