Contains acetaminophen. Fever reducer. Pain reliever. Pediatricians' first choice. Use only enclosed dropper. Dye-free. Non-staining formula. 80 mg per 0.8 ml. Stage 1 Concentrated Tylenol Infants' Drops: Less liquid for your infant to swallow. Concentrated Tylenol Infants' Drops contains more medicine per drop than children's Tylenol liquid.