Follow-up:
Follow-up lab work showed near-normal Hgb (12 gm/dL), normal bilirubin,
and liver enzymes. The patient did not have any residual dyspnea. There
was no jaundice, and his hematuria had resolved. He was discharged from
the clinic with clear instructions about his diagnosis and to avoid fava
beans in the future. He was taking aspirin for primary prevention of
cardiovascular disease and was advised to discontinue it to avoid any
oxidative stress.