ICD-11 definition : An erythematous eruption commonly associated with drug reactions or infection and
characterized by inflammatory nodules that are usually tender, multiple, and bilateral.
These nodules are located predominantly on the shins with less common occurrence on
the thighs and forearms. They undergo characteristic color changes ending in temporary
bruise-like areas. This condition usually subsides in 3-6 weeks without scarring or
atrophy.;
An erythematous eruption commonly associated with drug reactions or infection and
characterized by inflammatory nodules that are usually tender, multiple, and bilateral.
These nodules are located predominantly on the shins with less common occurrence on
the thighs and forearms. They undergo characteristic color changes ending in temporary
bruise-like areas. This condition usually subsides in 3-6 weeks without scarring or
atrophy.