Why do you get headaches from drinking?

Drinking headache is mainly due to the alcohol consumption of alcohol stimulation of neurovascular, induced headache, may also be to cause acute cerebrovascular disease. Alcohol contains ethanol, sulfites, flavonoid phenolic compounds and other substances, the nerve, the meninges produce stimulation, can trigger headache; alcohol will stimulate the patient’s blood vessel dilation, thus stimulating the peripheral nerves, causing headache and other symptoms. Patients with migraine, tension-type headache and other diseases, alcohol is more likely to induce headache. In addition to drinking alcohol is easy to induce cerebrovascular disease, especially cerebral hemorrhage, once the intracranial hemorrhage, will also be manifested as headache. Alcohol-induced headache usually occurs within a few hours after ingesting alcohol, most patients do not need to seek medical attention and can rest on their own to alleviate the symptoms, but if the patient appears to have impaired consciousness, pale skin, shock, headache does not ease the symptoms of drowsiness, vomiting and other symptoms recommended to go to the Emergency Department, Neurology consultation and treatment in a timely manner.