This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
All are true about cyclophosphamide except - 
Select and explain. 
A. Causes immunosuppression, B. Causes local irritation, C. Well absorbed orally, D. Alkylating agent
B: Causes local irritation
Answer: B: Causes local irritation 
Explanation: Ans. is 'b' i.e., Causes local irritation o The drug is not a vesicant, and produces no local irritation. o Cyclophosphomide is an alkylating agent, absorbed well orally and is used as immunossuppressant in many refractory autoimmune diseases.