Definition of exanthematous in English:

exanthematous

adjective

Medicine

See exanthema

‘The name pityriasis rosea was given to the exanthematous illness in 1860-a long time ago - but its exact cause remains uncertain.’
‘This 81 year old woman developed a florid, blanching exanthematous maculopapular rash over her trunk, arms, and proximal thighs after two weeks of treatment with ciprofloxacin for a wound infection.’