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: Medicine
SIADH is associated with the following drug : 
Select and explain. 
A. Vincristine, B. Erythromycin, C. 5 - FU, D. Methotrexate
A: Vincristine
Answer: A: Vincristine 
Explanation: Answer is A (Vincristine): Vincristine is known to cause SIADH. Drugs associated with SIADH : Vasopressin or desmopressin Chlorpropamide Oxytocin, high dose Vincristine Carbamezapine Nicotine Phenothiazines Cyclophosphamide Tricyclic antidepressants M40 inhibitors Serotonin reuptake inhibitors