Depends on dose
) in high doses taken for long-term use can damage the liver. Your liver isn't any more sensitive to tylenol (acetaminophen) during pregnancy
than any other time.
You should not exceed the limits outlined on the bottle. If you're having enough pain that you have to take tylenol (acetaminophen) through the day, every day, you should talk to your doctor and see if you can eliminate the cause, not just treat the pain.