1. something that is to happen or has happened to a particular person or thing; lot or fortune. 2. the predetermined, usu. inevitable, course of events. 3. the power or agency that determines the course of events.
Alternating between ibuprofen and acetaminophen every 2 hours because you have to wait 4 hours for each of them to take a second dose of the same thing. So instead you take a dose of Acetaminophen now, then Ibuprofen in 2 hours and back to Acetaminophen 2 hours later as needed.
When OTC doses of ibuprofen (200-400 mg/dose; 1200 mg/day) are taken for acute episodes of pain (i.e., up to 10 days), its GI safety profile is even more favorable than at prescription doses, with an extremely low risk of causing serious gastrointestinal events;