Which anti-inflammatory and analgesic drug is good for having fluid in the hip joint needs to be chosen according to the patient’s condition and under the guidance of the doctor to choose the appropriate treatment drug. Hip joint with effusion refers to the patient’s hip joint internal, due to the accumulation of excessive body fluids and lesions. It is usually characterized by symptoms such as joint pain, swelling and difficulty in walking. When there is fluid inside the hip joint, it is recommended to take some non-steroidal anti-inflammatory painkillers such as diclofenac sodium, ibuprofen, etc. This kind of drug can effectively relieve the pain of the hip joint as well as the local inflammation. After taking diclofenac sodium, adverse reactions such as fatigue and nausea may occur, and patients who are allergic to this product are prohibited from taking it. Adverse reactions such as abdominal pain and constipation may occur when taking ibuprofen, and it is prohibited for people with liver and kidney insufficiency. When fluid buildup in the hip joint occurs, it is recommended to go to the hospital and take anti-inflammatory and pain relieving drugs under the guidance of the doctor.