It is fine to use generic acetaminophen or ibuprofen instead of a more expensive brand for pain and fever control.
Infants’ acetaminophen dose chart
Temperatures above 100.4 F in a baby younger than 3 months old should be considered an emergency.
Infants’ ibuprofen dose chart
6 months and older only.
Children’s acetaminophen dose chart
Children’s ibuprofen dose chart