BACKGROUND
Vaccination programs reduce the morbidity and mortality of diphtheria, pertussis, and tetanus. Erythema nodosum is a reactive erythema that can be associated with infections, drugs, and many conditions. The new onset of erythema nodosum after receiving vaccination is uncommon.
PURPOSE
Combined reduced-antigen content tetanus, diphtheria, and acellular pertussis (Tdap) vaccine-assoc...