This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Dental
Erythema nodosum is seen in all Except 
Select and explain. 
A. Salicylate poisoning, B. Typhoid, C. Tuberculosis, D. Leprosy
A: Salicylate poisoning
Answer: A: Salicylate poisoning 
Explanation: Drugs causing it are: Levofloxacin Medroxyprogesterone Minocycline Naproxen OC Penicillin Phenytoin Trimethoprim Sulfasalazine Sulphonamides *Erythema nodosum is a skin condition where red lumps appear on the shins and less commonly forearms and thighs. Often it may be the first sign of a systemic disease such as tuberculosis, bacterial or deep fungal infection, sarcoidosis (11-25%), inflammatory bowel disease or associated with pregnancy (2-5%) *Erythema nodosum has recently been recognised in association with salmonella infection .Erythema nodosum leprosum (ENL) is an immune-mediated complication of leprosy, characterized by the presence of multiple inflammatory cutaneous nodules and systemic symptoms such as fever, malaise, ahritis, iritis, neuritis and lymphadenitis Ref: Harrison 20th edition pg 1234