Conrad K A, Mayersohn M, Bliss M
Br J Clin Pharmacol. 1984 Oct;18(4):624-6. doi: 10.1111/j.1365-2125.1984.tb02516.x.
Cimetidine does not slow the disappearance of ibuprofen from the serum after a single dose in healthy male volunteers. This suggests that no change in ibuprofen dosing is necessary when cimetidine is co-administered.