FEVER and RASH

(classified according to type of rash)

maculopapular:

measles

rubella

scarlet fever

infectious mononucleosis

typhus fevers and spotted fevers

HIV/AIDS

typhoid fever

secondary syphilis

Lyme disease

initial stages of meningococcal septicaemia

systemic lupus erythematosus

drug reactions

serum sickness, including transfusion reactions

petechial or ecchymotic:

meningococcal septicaemia

gonococcal septicaemia

some cases of typhus

dengue and other viral haemorrhagic fevers

haemorrhagic chickenpox (in immunosuppressed or malnourished)

diffuse erythema:

dengue

Lyme disease

cellulitis

drug reactions

vesicular or pustular:

gonococcal septicaemia

staphylococcal septicaemia

plague

monkey pox

ulcerating or necrotic:

gonococcal septicaemia

meningococcal septicaemia

palpable purpura:

vasculitis, including Henoch-Schonlein purpura

typical/specific rashes:

scrub typhus (eschar)

typhoid fever (Rose spots)

visceral leishmaniasis (generalised pigmentation)

Lyme disease (erythema migrans)

systemic lupus erythematosus (‘butterfly’ rash)

Still’s disease (evanescent macular rash)

dermatomyositis (Gottron’s papules, etc)

rheumatic fever (erythema marginatum)

erythema multiforme (various causes)

erythema nodosum (various causes)