medications as simple as tylenol or advil if used too much can cause rebound headaches that are even worse then the headaches for
which the medications were started for
. This is very common and is most likely to occur with use of any medication for your headache more than a few times a week. It can occur with all the commonly used headache medications such as ibuprofen, triptans (such as imitrex), fioricet, and commonly with any type of narcotic such as tylenol #3, dilaudid, percocet, etc.