Hello, Thanks for choosing health care magic for posting your query. I have gone through your question in detail and I can understand what you are going through. Yes, it was excess of excedrin. It contains caffeine and excess of this can lead to these symptoms. They will be self limiting and reduce by self. but next time dont even plan to do the same thing. Hope I am able to answer your concerns. If you have any further query, I would be glad to help you. In future if you wish to contact me directly, you can use the below mentioned link: bit.ly/dr-srikanth-reddy Wish you good health, Kind regards Dr. Srikanth Reddy M.D.