I think im getting rebound headaches because im taking way to much excedrin...how can i stop these headaches.. the excedrin only helps for couple hrs.?

Stop Rebounding: Rebound headaches are most likely what you are experiencing. First of all, you need to find out what started your headaches and followup accordingly. Basically the treatment of rebound headaches involves reducing the frequency of your offending "rebounding medicine". You need ot get on preventive or prophylactic (preventive) medicine. There are a number of these medications that can really help.

Treat cause: You can easily get into a therapeutic rut that allows rebound to add to your problem. Concentrate on finding the underlying cause/trigger to your headaches. Since most ha come out of the neck, make sure they treat there. Prevention and treating the underlying cause is the key so multiple daily meds won't be needed.

Could be caffeine: Excedrin contains 65 mg caffeine, about 2 cokes. Caffeine withdrawal can cause headache as can excess consumption. Also has 250 mg aspirin, which can make you prone to bleeding. 250 mg Acetaminophen also. Sounds like you may benefit from medical eval since conservative measures failing and you may be getting into troublesome dosages of medication.