You can ask your dentist to evaluate this situation and recommend treatment options to solve the problem. 2. Chemical sensitivities. Chemicals found in different gadgets such as computers are one of the major triggers of headaches such as migraine. Caffeine that is usually found in sodas, coffee, tea, chocolate, and some over the counter painkillers can also cause headaches. If there is no let up after two days, this is classified as chronic since many sufferers claim this can last for more than 15 days in a given month. In either case, those who are suffering will be able to overcome this problem by determining its root cause. This could be a side effect from current medication, not eating enough nutrients during each meal or not being able to get enough rest. The Pain of Clusters Cluster headache is a severe, debilitating pain that attacks one cluster of the head, usually above an eyelid or at the temple. The pain is usually characterized as being repeatedly stabbed in the eye with an ice pick. When the pain attacks, one may notice the drooping of the lids from the affected eye as well as nasal congestion on the affected side. Characterized by a tight band of pressure around a person s head, heavy throbbing of temples, light and sound sensitivity, vomiting, general muscle aches, difficulty in falling asleep and staying asleep, chronic fatigue, irritability and disturbed concentration, tension headache is said is traced from physical or emotional stress. Sinusitis is also always accompanied by general weakness and tired feeling. While it is true that up to 97% of individuals who think they suffer from sinusitis headache symptoms are mistaken because they are actually suffering from migraine, it is very important to make the correct distinction between the two. Others feel that migraines are actually hereditary and people with history of migraines in the family will most likely suffer from the problem. A migraine headache should not be confused with the common headache, which a person may suffer from every now and then. They are poles different from one another.