Fenbid is ibuprofen extended-release capsule, which has antipyretic and analgesic effects and can be used to relieve fever symptoms caused by common cold, influenza and various common pathogenic infections, as well as to relieve mild to moderate pain such as headache, arthralgia, migraine, toothache, muscle pain, neuralgia and menstrual pain in women. The main drug ingredient of Ibuprofen Extended Release Capsules is Ibuprofen and excipients such as sugar, starch and stearic acid. Ibuprofen is a non-steroidal anti-inflammatory drug with antipyretic and analgesic effects, mainly by inhibiting the synthesis of prostaglandins, and the fever symptoms can be significantly relieved in about 1-1.5 hours after taking it. Some patients may experience nausea, vomiting, burning sensation in the stomach or mild indigestion after applying this drug, but most of them can tolerate it without discontinuing it and it will not lead to serious consequences. In addition, a very small number of patients may experience skin rash, tinnitus, elevated transaminases and abnormal coagulation function, etc., which can be discontinued and disposed of accordingly.