A special warning could be included for parents of infants two to four months old to have a physician check for a more serious condition before administering the drug. The committee discussed labeling directions for both suspension liquids and double concentrated infant drops. Both formulations exist for products including Children's Tylenol Children's Motrin and Children's Advil. FDA has shown increasing interest in pediatric drug labeling. It has issued a proposed rule requiring testing of some prescription drugs for safety when used by children as well as appropriate dosages and labeling.