ive had this strange ache in the back of head (around the cowlick area) for about 3-4 days now. ive experienced this before, but they usually goes away as the day progresses. its seems to only be noticeable if i tilt or shake my head, and its a throbbing pain similar to someone poking at a bruised area. i dont recall bumping my head and its not allergies or sinuses. i havnt drank alcohol for a while and its not due to physical exertion.
according to this website : http://www.headaches.org/press/NHF_Press_Kits/Press_Kits_-_The_Complete_Headache_Chart
arthritis headache seems to have the closest symptom, but im not entirely satisfied/convinced thats the cause. i usually get 5 hours of sleep a night (and then nap in the day) so could this be stress related? should i be worried? is there anything i should do in particular?