Erythema nodosum is seen in all except -: (A) SLE, (B) TB, (C) Pregnancy, (D) Sulfonamide use
Answer is A. Causes of erythema nodosum are Bacterial: streptococcus, TB, yersinia Fungi: coccidiodomycosis Viruses: IMN, HBV Others: amoebiasis, giardiasis, chlamydia Drugs: sulfonamides, bromides , OCP Miscellaneous: sarcoidosis, Behcets disease, UC, connective tissue disorders, malignancy, pregnancy From illustrated synopsis of dermatology and sexually transmitted diseases neena khanna 5th edition page no 201