The parent compounds of acetaminophen (US market in 1955 in the US as Tylenol and other products) were first discovered in 1886 (acetanilide) and 1887 (phenacetin). These were the earliest synthetic fever There's always a lot of noise online claiming that giving your child Tylenol (acetaminophen) for fever is harmful, disrupts development, or somehow blocks natural healing. As a board certified pediatrician who actually cares LipoMax Liposomal Glutathione with Vitamin C Pure Nutrition Shedding Light on Glutathione IV Therapy for Skin Brightening