<unk>  is probably a delayed hypersensitivity reaction to a variety of antigens. Although circulating immune complexes have been demonstrated in patients with inflammatory bowel disease, they have not been found in idiopathic or uncomplicated cases.
Erythema nodosum
Streptococcal intertrigo
Erythema migrans
Keratolytic winter erythema
Acneiform eruption
Lichenoid eruption
Cutaneous larva migrans
Dermatitis repens