Erythema nodosum can be seen with:
Etiology of erythema nodosum Infections: e.g., Streptococcal, Fungal, Mycobacterial, Yersinial. Drugs: e.g., Sulfas, Penicillins, Oral contraceptives. Sarcoidosis Idiopathic causes
OC pills
Barbiturates
ACE inhibitors
Sulfonylureas
Mycobacterial Infections