Fitalin is diclofenac sodium, diclofenac sodium and loxoprofen in both belong to the non-steroidal anti-inflammatory drugs, but in the treatment of the disease is different, it is recommended that the patient under the guidance of a doctor to use the drug, follow the doctor’s instructions. The main effect of Loxoprofen is anti-inflammatory and analgesic, usually used in rheumatoid arthritis, frozen shoulder, osteoarthritis, toothache, and anti-inflammatory analgesia for surgery, trauma, and tooth extraction. The main adverse effects of the drug include stomach upset, nausea and vomiting, urticaria, drowsiness, etc. It is contraindicated in the treatment of perioperative pain in coronary artery bypass grafting, and should be used with caution in patients with peptic ulcers, renal failure, severe heart failure, severe hematologic abnormalities, and severe hepatic impairment. The main effect of diclofenac sodium is also anti-inflammatory and analgesic, and it is usually used to relieve joint swelling and pain brought about by rheumatoid arthritis, osteoarthritis and other diseases. The drug has dizziness, vertigo, nausea and vomiting, skin rash and other adverse reactions, is prohibited in the treatment of perioperative pain in coronary artery bypass grafting, for peptic ulcer, renal failure, severe heart failure patients should be used with caution. It is recommended that patients apply these two drugs under the guidance of a doctor, do not self-medication.