Is 17000 mg of Tylenol a day bad for you?

Well, it could have a negative affect on your liver. You really should get the advise of a physician. Every one's body - while similar - have differences to include tolerance to medication and drugs. What affects one person, may not affect another, and vice versus. Your medical history is critical, and no one on this site knows it. Thus, do not take a chance with your health. Ask your doctor.