 [ Symptoms ] bad migraine for 4 days now been to er doc said he was not worried about it being anything serious still worried help  stressed and worried about what is going on i have never had a migraine last this long before any advice on what i should do slightly relieved by tylenol then comes right back [ Disease ] as much as i would like to help you there is really no way for me to blindly determine if your headache is something serious or not in order to relieve your anxiety you have been to the er but apparently were not given anything other than tylenol to relieve your pain migraines and other severe headaches typically require more than just tylenol see your primary care provider    someone who knows you and your case    or you will need to see a headache specialist neurologist to that you can have a higher level clinical evaluation