Per randomization to the treatments and under double-blind conditions, patients were instructed to suck 1 sugar-based, flavoured flurbiprofen 8.75 mg lozenge or 1 sugar-based, flavoured matching vehicle control/placebo lozenge and remained at the study center for a 2-hour observation period to assess their responses to the study medication during the initial 2-hour post-dose period. Patients were allowed a dose of rescue medication (acetaminophen 650mg), as needed, post-treatment dosing during the study.