If not necessary, long-term administration of diclofenac sodium is generally not recommended for arthritis patients. 1. Diclofenac sodium is a non-steroidal anti-inflammatory drug, through the inhibition of cyclo-oxygenase in the patient’s body to play the effect of pain relief, antipyretic, the drug common adverse reactions are nausea, vomiting, headache, dizziness, etc., long-term use of diclofenac sodium may make the patient to increase the risk of adverse drug reactions, so it is generally not recommended that patients with arthritis to take diclofenac sodium long-term. 2. If patients need to take diclofenac sodium for a long period of time due to their condition, they need to check their blood cell count, liver function, kidney function and other relevant laboratory indexes regularly during the period of taking the medication after eliminating the contraindications of the medication and complying with the doctor’s instructions. Patients diagnosed with arthritis need to go to the rheumatology and immunology department to clarify the cause of arthritis, and under the guidance of the doctor to formulate a comprehensive treatment plan according to the cause of arthritis.