Presents with high, spiking fevers, arthritis, and a characteristic evanescent, salmon-pink macular or papular rash that appears with the fever.
A non-allergic, bright red, morbilliform rash that appears in nearly all patients with infectious mononucleosis (EBV) who are treated with amoxicillin.
Infection with cytomegalovirus can cause a mononucleosis-like syndrome with fever and a non-specific morbilliform rash.
A severe drug reaction with a morbilliform rash that becomes confluent and edematous, accompanied by fever, facial edema, lymphadenopathy, and eosinophilia.
A rare variant of granuloma annulare presenting as a widespread eruption of skin-colored or erythematous papules without scale.
The most common presentation is a morbilliform or exanthematous eruption of widespread, symmetric, erythematous macules and papules appearing 7-14 days after starting a drug.
Infectious mononucleosis can present with a faint, non-specific maculopapular rash, but it is much more prominent if amoxicillin is given.
A viral illness (parvovirus B19) causing a characteristic bright red 'slapped cheek' facial rash, followed by a lacy, reticular maculopapular rash on the body.
The acute cutaneous form commonly presents as a morbilliform eruption on the upper trunk, palms, and soles after a stem cell transplant.
The acute retroviral syndrome can present with a non-specific, morbilliform rash on the trunk, often accompanied by fever, pharyngitis, and sometimes painful mucosal ulcers.
The prodromal phase of acute hepatitis B can be associated with a serum sickness-like reaction, including a non-specific maculopapular or urticarial rash.
Can be associated with various rashes, but is most classically linked to lichen planus or cryoglobulinemic vasculitis, not a simple maculopapular rash.
A childhood vasculitis with prolonged high fever and a polymorphous maculopapular, scarlatiniform, or erythema-multiforme-like rash.
A viral illness with high fever and Koplik's spots, followed by a morbilliform rash that starts on the head (behind the ears) and spreads downwards, becoming confluent.
Causes Fifth disease, with a 'slapped cheek' facial rash followed by a reticular (lacy) maculopapular rash on the body.
A common childhood illness (HHV-6) with several days of high fever that abruptly stops, followed by the appearance of a blanching, pink maculopapular rash on the trunk.
A common childhood illness (HHV-6) with several days of high fever that abruptly stops, followed by the appearance of a blanching, pink maculopapular rash on the trunk.
Also known as German measles, this is a milder viral illness with a pink maculopapular rash that starts on the face and spreads down, accompanied by posterior auricular lymphadenopathy.
A streptococcal infection with fever and a characteristic diffuse, erythematous 'sandpaper' textured rash made of tiny papules, along with a strawberry tongue.
The 'great imitator,' which can present as a generalized, non-pruritic, maculopapular rash that characteristically involves the palms and soles.
Presents with high, spiking fevers and a characteristic evanescent, salmon-pink macular or papular rash that appears with the fever.
Acquired toxoplasmosis can cause a mononucleosis-like syndrome with fever, lymphadenopathy, and a non-specific maculopapular rash.
A rickettsial disease that begins with a maculopapular rash on the trunk that spreads peripherally, sparing the face, palms, and soles.
