D/D of infectious diseases with exanthema.
W – 20 pg-1
Exanthema are characterized by generalized eruption or rash mainly in the skin.
(A) Macular papular rash
Causative agent Disease Site Specific Characteristics
VIRUS
(1) EBV
Infectious
mononucleosis...
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D/D of infectious diseases with exanthema.
W – 20 pg-1
Exanthema are characterized by generalized eruption or rash mainly in the skin.
(A) Macular papular rash
Causative agent Disease Site Specific Characteristics
VIRUS
(1) EBV
Infectious
mononucleosis
Trunk May resemble measles
accompanied by palatine
exanthema
(2)Rubeola
RNA Paramyxovirus
Measles Forehand going to upper
body ,lower body & distal
extremities after sometime.
Fades in cephalocaudal
direction.
Red
copperbrown.
(rash appears in days-DD with
rubella)
Palatine exanthema & koplik
spots in buccal mucosa.
1mm
macules
(3)Rubella.
RNA virus German measles frontal & retroauricular
Then spreading over body &
limbs.
Rash appears in hours
DD with rubeola
(1)Chlamydia psittaci Psittacosis Trunk Faint macules occasionally
erythema nodosum or erythema
multiforme
Bacteria
(1)Listeria
monocytogenes
Listeriosis Trunk & legs Red macules undergoing central
necrosis with formation of
pustules
(2) Salmonella Gr- Typhoid fever Abdome
Less