I woke up this morning with a headache took two tylenoll and now i am going to bed with a headache now should i be worried?

Headache: If this persistent headache is constant and dull, it may be a muscle contraction tension headache. If it's associated with aches,feverishness it could be part of a summer virus. Worrisome symptoms would include worsening headache,vomiting,drowsiness,visual disturbance,severe throbbing, rash,high fever. If you don't improve with rest and Tylenol, (acetaminophen) call your physician for evaluation.