Ibuprofen doses of 400, 600, and 800 mg were found to provide comparable analgesia in adult patients seen in the emergency department with moderate to severe acute pain. Ibuprofen doses of 400, 600, ...
You should not take more than 1,200 milligrams of over-the-counter ibuprofen per day. If you take too much ibuprofen, it can cause serious side effects, including stomach problems and kidney damage.