Pain in the hip joint when standing, walking, using stairs etc. Osteoarthritis is usually accompanied with muscle spasms around the hip and may cause a generalized hip pain over a wide area and sometimes, pain into the groin. Rheumatoid arthritis, when severe, causes strong localized pain in the joint and the patient has great difficulty putting any weight on the leg. There could also be palpable swelling and redness in the area. Diagnosis and differentiation are done using X Ray and Blood Analysis.