Deacribe the pros and cons of the treatments used for each of the sickle cell anemia patients investigated in this activity

The question is asking to described the pros and cons of the treatments used for each of the sickle cell anemia, and base on my research, the answer would be Hydroxyurea
Pros:
- reduces frequent painful crises
- may reduce the need for blood transfusions
Cons:
- increases your risk of infection
- long-term concern that the drug might cause tumors or leukemia

It’s either a or b hope this