Experts agree that headaches can be classified to migraine headaches which refer to the type of severe and recurrent headache that comes with painful throbbing on the temples, nausea and impaired vision; cluster headaches which are said to bear similarities to migraines only they are experienced in short durations and occur daily over weeks or months; and tension headaches that refers to the type of headache that can strike consistent location and result to contractions of the face, scalp, or neck muscles. Unlike a flu, the tension headache cannot be detected and this will just happen. It will occur in the late afternoon or in the evening if the employee is pulling long hours on a project. If it is a minor tension headache, the individual can ride it out with a glass of water and a few breathing exercises. - Totally eliminate caffeine, salt, MSG, and chocolate in your diet. Load up on lots of fruits, veggies, and water to keep your body well hydrated. - If you can, avoid bright light because it leads to a major headache once your squint. - Don t skip meals. Skipping meals can lead to low blood sugar. When your sugar level goes down, your blood vessels in the brain tightens that leads to headache. There a few severe headache causes out there that are pretty common, like cluster headaches, sinus headaches and migraine. While all these are benign or are headaches that are not fatal, the chronic attacks from these produce episodes of debilitated lives and this not need be the case. There are a number of very effective headache cures out there for even the most stubborn and severe chronic headache. Some medication, even the non-prescription types may have certain reactions harmful for some people with other health problems. Bleeding problems will be a cause of concern if you plan taking aspirin. Taking acetaminophen pain relievers should be avoided by individuals having kidney or liver problems. Fatigue, hunger, bright lights and a variety of different foods and beverages can also be possible migraine triggers. The onset of a migraine attack comes with some telltale signs. Nausea and vomiting may be felt before any actual pain or headache is experienced. Another sign of an incoming migraine attack is seeing flashing lights and colors all around.