•Risk for stomach ulcers and stomach bleeding
•Risk for heart attack, chest pain (angina), and stroke
•High blood pressure, swelling, and risk for heart failure
•Irregular heart rhythm (arrhythmias)
•Extreme narrowing of blood vessels
•Serotonin syndrome
•Liver damage
•Kidney damage
•Severe allergic reactions and skin reactions
•Avoid during pregnancy because of risk of harm to an unborn baby