Reactions to last DTaP vaccine not preventedA red splotch forms where most preschoolers get their fifth, and last, shot of the acellular diphtheria-tetanus-pertussis (DTaP) vaccine, and it can last a few days. Neither of two common over-the-counter drugs—ibuprofen (Advil) and acetaminophen (Tylenol)—help prevent this side effect, according to a Group Health Cooperative study appearing in the March issue of Pediatrics.
