A member asked:

I have had the worst headache off and on for 3 days mostly in evening? tylenol stopped working. what is it? what can i do for it?

A doctor has provided 1 answer
Dr. Richard Zimon answered

Specializes in Internal Medicine

Get your eyes: (vision) tested! Headaches at the end of the day are often due to eye strain! Hope this is helpful! DrZ

Answered 3/10/2017

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Thank

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