Which of these drugs can cause blood to shift from red to green? A- Ethambutol B- Ondansetron C- Asparaginase D- Sumatriptan T.me/MedicalnoteBook/10797 🔻The answer is: **** ▫️Sumatriptan, a drug used to treat migraine, can cause blood to change from red to green due to the incorporation of sulfur Inside the Hemoglobin Molecule.