A 16-year-old has a sore throat and develops a diffuse rash after administration of ampicillin, Match each clinical description with the appropriate infectious agent.
ExplanationInfectious mononucleosis is the usual manifestation of infection with Epstein-Barr virus. Since it is a viral disease, antibiotic therapy is not indicated. A diffuse maculopapular rash has been observed in over 90% of patients with infectious mononucleosis who are given ampicillin. The rash does not represent an allergic reaction to β-lactam antibiotics.