At what point should a doctor evaluate headaches? Everyone gets headaches. They can range, perhaps starting as a dull pain before escalating to the squeezing, dizzying feeling, and start from a number of causes: a lack of/poor quality sleep, certain foods, alcohol consumption, stress, eye straining, dehydration/lack of food, among others. In many cases, a drugstore pain reliever or headache medicine will resolve the symptoms relatively quick. There does reach a point, though, that consistent headaches —...