Headache is a very common symptom, and this condition may be a minor ailment, nothing much. But we must be alert to the fact that sometimes a headache can be a sign of some major disease! Therefore, there are times when a headache appears to be promptly checked and treated. So what are the symptoms of headache in need of medical attention? 1. Severe headache with neck tonicity, vomiting, photophobia; 2. Recent head injury or impact; 3. Accompanied by numbness, tingling or weakness in the hands and feet; 4. Severe throbbing pain, often accompanied by nausea and vomiting, sometimes preceded by flashing hallucinations before the onset of pain; 5. Headache after a missed meal, accompanied by unsteadiness or a feeling of weakness. Trigeminal neuralgia manifests as episodes of severe facial pain, which is clinically characterized by sudden onset and abrupt stop, mostly on one side. It is characterized by sudden and sudden onset, mostly on one side. When the attack occurs, the pain is as severe as a knife cut or electric shock, usually lasting from a few seconds to 1-2 minutes, and is triggered by washing the face, brushing the teeth, talking or eating. It is often accompanied by facial muscle twitching, lacrimation, salivation, facial flushing, conjunctival congestion, etc. As the condition worsens, the interval becomes shorter and the attacks become more frequent, and after a strong pain stimulation, the patient is abnormally nervous and has a lifelong memory, causing great pain. In addition, if it is a new or severe headache, a headache with frequent and gradually aggravated attacks in the near future, a headache that always occurs on the same side, a headache that is ineffective when taking painkillers by oneself, a new headache in tumor patients, a new headache over 50 years old, a headache with limb twitching, a headache with mental confusion, it should also be taken seriously and a doctor should be consulted and treated. Although some headaches are not caused by serious diseases, they can disappear or get better after treatment of the cause. For example, if a headache occurs after reading a book, watching TV or using a computer, you should consider that it may be caused by a vision problem, so you should see an ophthalmologist or optometrist, and the headache may disappear after correcting your vision by wearing glasses. So there is no need to put up with the headache in this case. After seeing a doctor, the problem will be solved easily, so why not?