What’s wrong with the headaches when you drink?

A headache after drinking alcohol may be related to alcohol allergy, insufficient cerebral blood supply, cardiovascular disease and so on.
1. Alcohol allergy: If you are allergic to alcohol, it may cause headache after drinking, and may be accompanied by nausea, vomiting, hives and other symptoms.
2. Insufficient blood supply to the brain: alcohol can stimulate blood vessels in the brain, causing vasodilatation or vasospasm, resulting in headaches, dizziness and other symptoms, common drinking causes migraine.
3. Cardiovascular disease: If you suffer from high blood pressure, heart disease and other cardiovascular diseases, drinking alcohol may trigger increased blood pressure, atherosclerosis aggravated headache symptoms.
It is recommended to drink as little as possible or do not drink, headache after drinking can go to the hospital in time to check, under the guidance of the doctor treatment.