The generic name of Intacin is Diclofenac Sodium Extended-Release Capsules, which usually has an effect after 1 hour of administration. Diclofenac Sodium Extended-Release Capsules is a non-steroidal anti-inflammatory and analgesic drug that is indicated for the relief of symptoms of swollen and painful joints in acute or persistent attacks of various types of arthritis, as well as for the relief of various types of soft-tissue rheumatic pains, and acute mild-to-moderate pains. Generally, the drug can have some analgesic effect after about 1 hour of oral intake, and the blood concentration of the drug in the body can reach the peak after about 4 hours of intake. The drug may have adverse reactions such as gastric discomfort, abdominal pain, burning sensation, acid reflux, etc. It is contraindicated in patients who are allergic to the drug, have severe heart failure, have active peptic ulcers or bleeding. It is recommended to consult a doctor in time when there are symptoms of joint pain, under the guidance of the doctor, do not blindly use the drug on their own.