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.
1 Always check the label to determine which concentration you have, and dose accordingly. 2  Different medications can contain different concentrations. 3  Give every six to eight hours as needed. 4  Don't give ibuprofen to babies under 6 months without calling your doctor first. Always check the label to determine which concentration you have, and dose accordingly. 2  Different medications can contain different concentrations. 3  Give every six to eight hours as needed. 4  Don't give ibuprofen to babies under 6 months without calling your doctor first.