Headache is a common clinical symptom, and everyone may experience headaches throughout their lifetime. Headache can be big or small, sometimes mild, and sometimes it can cause a splitting headache, making it difficult for people to concentrate. Many people feel that their headaches can be endured and there is no need to go see a doctor. However, there are many reasons that can cause headaches, some of which even conceal a "life-threatening crisis". Today, Dr. Xiehe will guide you to have a correct understanding of headaches, especially the following 15 types of headaches. Don't hesitate to see a doctor as soon as possible. There are actually hundreds of reasons for headaches, and there are various causes, approximately hundreds. Headache may be a symptom caused by organ damage in the human body, or it may simply be a neurological disorder. Therefore, in medicine, headache diseases are generally divided into two categories. The first type of headache has a clear etiology and is secondary headache, such as headaches caused by intracranial tumors, stroke, meningitis, encephalitis, brain trauma, or eye, ear, nose, and tooth diseases. This type of headache is closely related to other diseases, and when the disease is relieved, the headache will also be relieved accordingly. And another type of headache cannot find a specific cause, and it is difficult to detect any abnormal conditions related to the headache after various examinations. This type of headache is primary headache, commonly known as benign headache, such as migraine, tension type headache, cluster headache, etc. Most headaches in daily life belong to primary headaches. Headache accompanied by the following conditions. Although secondary headaches are a minority, they should not be taken lightly and require timely medical attention to prevent adverse consequences. Even if it is a primary headache, if the headache is severe or occurs frequently, it can interfere with work, study, and life, and one should also see a doctor. We suggest that headache patients choose to go to the emergency department or outpatient department for treatment based on the urgency of their own situation. If you experience the following symptoms, please seek medical attention at the emergency department as soon as possible: 1. The most severe headache in your life, or a sudden and severe headache; In addition to headaches, there are nine other symptoms: mental disorders, confusion, and communication difficulties; Fainting; Body temperature exceeding 39 ℃; Numbness or weakness in one limb; Neck stiffness; Visual impairment; Not fluent in speech; Unable to walk normally; Nausea or vomiting (not previously experienced with headaches and not caused by colds or drunkenness). If the following situations occur, you can choose to go to the outpatient clinic for medical treatment: 1. Headaches are more frequent than usual; 2. Headache is more severe than usual; 3. The effect of using analgesics during headaches is unsatisfactory; 4. Headaches make it difficult for people to work, sleep, or engage in normal activities; 5. Headaches cause pain, and I hope to receive a better treatment plan. In the diagnosis and treatment of headaches, doctors need to understand the patient's subjective feelings and develop treatment plans based on these subjective feelings. So the key to the effectiveness of treating headaches depends on whether the patient can provide a concise and accurate medical history. However, headache patients often cannot accurately explain what kind of pain they are experiencing when describing their condition, so it is often difficult to draw useful conclusions in a single visit. We suggest that patients record their own "headache diary" to help doctors make more accurate diagnoses quickly and provide reasonable treatment plans. When seeking medical treatment, if a headache patient can provide the following letter to the doctor