The reactions, though rare, can be deadly. since 1969, cases identified by the FDA have resulted in 67 hospitalizations and 12 deaths. The FDA stated that if anyone develops these skin conditions upon taking acetaminophen should immediately stop using the drug, and tell their doctor.
Acetaminophen consists of a benzene ring, with groups on the first and fourth carbons. one of these groups is a hydroxyl group, and the other contains a second degree amine, followed by a carbon with a carbonyl group, and by a final primary carbon.