Review Question - QID 107844

An 8-year-old African-American boy is brought into the emergency department by his mother due to intense abdominal pain and pain in his thighs. The mother states that she also suffers from the same disease and that the boy has been previously admitted for episodes such as this. On exam, the boy is in 10/10 pain. His vitals are HR 110, BP 100/55, T 100.2F, RR 20. His CBC is significant for a hemoglobin of 9.5 and a white blood cell count of 13,000. His mother asks if there is anything that can help her child in the long-term. Which of the following can decrease the frequency and severity of these episodes?