Headache is one of the most common physical pains that almost everyone experiences in their lifetime.. In many cases, headaches improve with rest or rest.. But some **dangerous headaches** can be a sign of serious and even life-threatening problems such as a stroke, **brain aneurysm**, brain tumor, or brain hemorrhage....Knowing the **symptoms of a dangerous headache** and distinguishing them from common headaches is vital to maintaining your health....Dangerous** and when you should see a doctor immediately...Common and harmless headaches (compared to dangerous headaches) Fortunately, most of the headaches are benign, including tension headaches, migraine headaches, and cervical (cervicogenic) headaches. These types of headaches can usually be controlled with painkillers, lifestyle control, and diet, and do not pose a serious risk to the patient. When should we worry? It is vitally important to distinguish **dangerous headaches** from ordinary headaches... In the following, we point out seven important warning signs, if any of them appear, you should immediately go to the doctor and take your headache seriously: ### Sudden and severe headache (thunder headache) If you suddenly have a sudden, severe headache within a minute (called a thunderclap headache) even if the pain improves after an hour, take it seriously... This pain may be a sign of a ruptured brain aneurysm... In most cases, a brain aneurysm presents with severe symptoms that are asymptomatic and asymptomatic... Nausea, vomiting, and mental disturbances are other symptoms that may occur in this type of **dangerous headache** Yes.. You can find more comprehensive information about **thunder headache** in its dedicated article... I suggest you read: Immediate treatment of severe headaches The cause of back pain Why does the left side of my head hurt? ### Headache after a blow or injury to the head If you have a headache after any blow to the head, even a simple fall or a slight fall to the ground, especially if this headache worsens over time, you should see a doctor immediately... This symptom can be a sign of **brain hemorrhage**.... Loss of consciousness, vomiting, weakness, impaired vision and memory are other symptoms of war.... Headache.... ### Severe headache with fever and stiff neck A headache with high fever and neck stiffness can be a sign of meningitis (inflammation of the membranes of the brain and spinal cord) or a serious viral or bacterial infection. Skin rashes, sensitivity to light, and muscle stiffness are other symptoms that require immediate medical attention. ### Headache with unilateral weakness or numbness **Dangerous headache**, which starts suddenly and is accompanied by weakness or numbness on one side of the head, shoulder or arm, can indicate damage to the venous sinuses of the brain or a disorder of blood supply to the brain, which greatly increases the risk of **stroke**. I suggest you read: What is the symptom of numbness in the toes? What is the symptom of head numbness? ### Headache with pain in the face and neck Severe pain that starts with a headache and spreads to the face, neck, and ears can be a sign of rupture or blockage of the carotid arteries, which can lead to a stroke... This type of headache usually starts suddenly... ### Headache after intense physical activity... If you have a severe and sudden headache after doing heavy physical activity, this can be a sign of a brain tumor, hemorrhage, or stroke... Changes in the sense of vision, speech, and balance are other symptoms. This type of headache is a warning... (Read the post-exercise headache article.) ### New or unusual headache If you are experiencing a headache that you have never experienced before or the pattern has changed significantly, you should see your doctor immediately. These changes can include: - Sudden change in the severity, location or frequency of headache... - The effect of headache on your muscle control, speech or vision... - Weakness in any part of the body caused by headache... - Headache that gets worse... - Personality changes at the same time as headache... The importance of seeing a doctor at the right time can save you vital information.. Timely diagnosis and treatment of diseases such as stroke, brain aneurysm, meningitis and brain tumors significantly increases the chances of complete recovery and return to normal life with minimal complications...