Swelling in the hip joint. This is not always obvious due to the deep joint capsule. Patients may feel pressure in the hip joint or a warm inflamed or burning sensation. Hip swelling can be due to a muscle tear or inflamed bursa. In some cases an infection or reaction can cause swelling in the hip and medical attention should be sought. Arthritis can cause hip swelling and is associated with pain. In trauma a hip fracture or labrum tear will cause hip swelling.