Ibuprofen lysine may change how the body reacts during an infection. Tell your baby's doctor if you notice any fever, chills, or other unusual behavior in your baby while this medicine is being used .
This medicine may affect the action of platelets, which are necessary for clotting the blood. This may increase the chance of bleeding for your baby. Call your baby's doctor right away if you notice any unusual bleeding or bruising, any dark-colored urine or stools, or other signs of bleeding in your baby .