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.
After-Care Basics. Ibuprofen. If ibuprofen was given in the office: take 600mg (three over-the-counter tablets) of ibuprofen three hours after the initial dose, even if the teeth feel comfortable. After the second dose, continue to take three tablets every six hours if any ache is present.