Taking ibuprofen granules reduces fever in about half an hour to an hour. The main ingredient of Ibuprofen Granules is Ibuprofen, which is a non-steroidal anti-inflammatory drug with antipyretic and analgesic effects, and can be used to reduce fever as well as for pain relief. It is used to treat headaches, muscle aches and pains caused by upper respiratory tract infections or influenza. However, ibuprofen granules need to be taken at least four hours apart. It should not be taken more than four times within twenty-four hours. And it is forbidden to use it for those who are allergic to ibuprofen, pregnant women, breastfeeding women and other patients who are allergic to non-steroidal anti-inflammatory drugs. The main adverse effects of taking Ibuprofen Granules are stomach upset, loss of appetite, abdominal pain, nausea, vomiting, rash, itching, facial edema and so on. Patients who want to use ibuprofen granules are advised to use it under the guidance of a professional doctor, and not to use it privately to avoid adverse consequences.