Due to the modern lifestyle an occasional headache became quite a common complaint. The good news, however, is that about 99% of all headache occurrences are considered to be completely harmless and described as mildly uncomfortable head pain. The most common reasons responsible for general headaches are lack of sleep, stress, and other external factors. Normally, such headaches are easily cured with over-the-counter medications like ibuprofen, acetaminophen, naproxen sodium, or aspirin. However, headache counts 150 categorized types, and some of them should never be ignored. A very severe and unbearable pain requires immediate medical attention, as that feeling has been associated with aneurisms. Also, sudden pain that seems to have no cause frequently indicates an early symptom of an illness such as a cold or flu.The Most Common Types of HeadacheAmong headache types the most common are migraines, tension, and sinus. Though each of these types is unique, they are frequently mistaken for each other. Migraines usually happen in adults and teenagers; the main symptom is usually a severe headache that can be on either or both sides of the head, and the pain may move form one area to another. Common ailments associated with migraines are upset stomach, sensitivity to light, sensitivity to sound, and moodiness. A tension headache is not quite a headache. The pain, which isn?t usually severe, will often reside in the neck, shoulders, or another stress point. The pain in the head in such a case is often a side effect of the other pain. Treatment for this type is usually limited to over the counter medications; however, any chronic pain requires a doctor?s check-up.Sinus headaches are a type that many people believe to be associated with the weather changes; however, it is usually migraine that is caused by seasonal changes. True sinus headaches are caused by pressure of draining nasal passages, fever, eye strain, and excessive coughing. Any of these factors may lead to moderate pain that is easily treated with over the counter remedies. Sinus headaches are not reoccurring, however if the pain persists for a long time it may be a sign of a serious problem that should be discussed with a doctor. Other Factors Causing HeadacheMany factors are known to cause headaches, while some have no known causes. The most common headaches for which symptoms are known are: environmentally induced, injury related, due to hormonal changes, and more. Injury related headaches are the most obvious of all, however, if there is severe or varied pain, loss of consciousness, or confusion a doctor should be consulted immediately.Women are often affected by headaches due to hormonal changes, as hormone levels change through puberty, monthly menstrual cycle, pregnancy, menopause, and other hormonal variances. If headache occurs more than 3 times a week, or if the pain becomes more frequent or severe, a doctor should be consulted immediately.Headaches are often caused by many environmental factors such as second hand smoke, pollution, neon lights, traffic lights, etc. In case of a known sensitivity all related items should be avoided; another solution is prescription medications that can help combat unavoidable triggers.