Table 4.

Differentiating clinical features of infectious mononucleosis and acute retroviral infection

	Infectious mononucleosis	Acute HIV infection
Onset	Insidious	Acute
Exudate	Often present	Absent
Maculopapular rash	Rare, unless provoked by antibiotics	40%–50%
Oral ulcerations	Absent	10%–20%
Diarrhea	Rare	Common

Data from Refs. [52], [55], [59].