A followup study of ibuprofen users.

We followed up 13,230 members of the Group Health Cooperative of Puget Sound under the age of 65 years who were presumed to have taken ibuprofen as out patients. All hospitalizations that occurred within 3 months after a prescription for ibuprofen was filled were reviewed. We found no instances of serious uncommon illness which could be attributed to this drug with any reasonable degree of certainty. In particular, there were no cases of acute liver or kidney disease noted within 3 months of exposure to ibuprofen.