List three classes of drugs affecting the Hematopoietic System.

Discussion Question #2
List three classes of drugs affecting the Hematopoietic System. List the mechanism of action for each class of drug. Choose one medication from the three classes and discuss what disorder the drug is used to treat? How often the medication is given? What labs should get monitored while the patient is taking this medication? Your response should be at least 350 words.