What causes back headache?

Neck tight? Stress?: Most people have a headache at some time, such as from colds and flus, lack of sleep, too much driving, long hours on the computer, stress at work, etc... Several over-the-counter options include tylenol, (acetaminophen) motrin/advil, alleve, excedrinmigraine, and their generic brands. A bad or increasing headache, recurrent headache, weird headache, or one with other worrisome symptoms must be seen by a doctor.

Many: Headaches could be coming from tension, eye strain, tooth grinding, dehydration, lack of sleep/poor sleep, skipping meals, stress, sleep apnea/snoring, or chronic sinus problems.

Headaches: Headaches could be caused by many conditions. Among them the most common are migraines, cervical spine disc condition, greater occipital neuralgia, and tension type headache. Othe conditions like brain tumors, brain hemorrhages or infections can present with headaches as well, but usually do so with other accompanying symptoms.