Ibuprofen extended-release capsules generally start to take effect half an hour to an hour after the drug, due to differences in specifications and personal metabolism, each dose can maintain the pain relief effect is generally 8 to 12 hours. Ibuprofen extended-release capsules are ibuprofen extended-release preparations, the effect is relatively fast, half an hour after taking the medicine can generally see the effect, very few need two to three hours. Every time you take, the slow release of the concentration of slow-release capsules to maintain the pain relief effect of about 8 to 12 hours. Ibuprofen extended-release capsules belong to the non-steroidal anti-inflammatory drugs, commonly used in gout, rheumatoid arthritis, trauma surgery after the swelling and inflammation, etc., usually need to be taken twice a day. There may be gastrointestinal, cardiovascular, renal and hematologic adverse effects when taking Ibuprofen extended-release capsules. Therefore, it is recommended that the use of ibuprofen extended-release capsules should be under the guidance of a medical professional, and should be closely monitored for adverse reactions, in order to treat the disease while avoiding as far as possible the emergence of serious adverse effects.