Hemicrania continua is a primary chronic daily headache disorder, it is a sub-type of chronic headache experienced by migraine sufferers. Most patients with hemicrania continua headaches report pain more than 5 times in a 24-hour period and at least 15 times a month. By definition, hemicrania continua occurs on just one side of the head. The chronic pain is generally continuous and fluctuates in intensity with few breaks in between. The pain you experience is exacerbated by sharp, jabbing pain on the same side. You may even experience pain that moves between each side of the head during one headache episode