A 32-year-old woman presents with fever, pharyngitis, and exudative tonsils for 3 days. She reports contact with her roommate who had similar symptoms 1 week ago. Rapid strep test is negative. Blood smear shows atypical lymphocytes. She develops a petechial rash after receiving amoxicillin. Which of the following is the most likely diagnosis?
- A)Infectious mononucleosis caused by Epstein-Barr virusGABARITO
- B)Cytomegalovirus infection
- C)Acute streptococcal pharyngitis with penicillin allergy
- D)Adenovirus pharyngitis
- E)Acute HIV infection
Explicação
EBV causes classic infectious mononucleosis with pharyngitis, exudative tonsils, atypical lymphocytosis, and the characteristic ampicillin/amoxicillin rash due to T-cell response. This constellation is pathognomonic for EBV in young adults. Ver explicação completa e trilha adaptativa →