Ibuprofen is a medication in the nonsteroidal anti-inflammatory drug (NSAID) class is used for 5 History; 6 Availability; 7 Research; 8 References; 9 External links . The majority of ibuprofen is metabolised and eliminated within 24 hours in the urine, .. Chen, CS; Shieh, WR; Lu, PH; Harriman, S;...