Clinically, erythema nodosum presents as symmetric, painful, subcutaneous nodules in the pretibial region, which range from 1–5 cm in diameter. Rarely, the nodules can involve the face, thighs ...

Erythema multiforme was seen in 18 cases, erythema nodosum in 4, and a combination of both types of rash in 8. ... They occurred almost exclusively on the pretibial areas.

Erythema nodosum represents the most common form of panniculitis, manifesting as tender, erythematous nodules predominantly on the pretibial regions. Often considered a hypersensitivity reaction ...