Drinking alcohol also relaxes your blood vessels, leading to increased blood flow to the brain. This can also cause headaches, including migraines if youre susceptible to them1. These potential migraine triggers can be found in any alcoholic drink.
Can alcohol cause long term headaches?
Alcohol has long been associated with the development of headache, with about one-third of patients with migraine noting alcohol as a trigger. Based on this association, population studies show that patients with migraine tend to drink alcohol less often than people without migraine.
Can drinking alcohol cause headache?
Alcohol can cause two different types of migraine headaches. You could get a headache within 30 minutes to 3 hours of drinking. You dont have to chug a large amount for this to happen. Some people only sip a glass or two of wine before their head starts to throb.
Why does alcohol suddenly give me a headache?
Alcohol is a diuretic – it acts on your kidneys to make you pee more fluid than youre taking in. Losing fluid from your body like this can lead to dehydration, which can cause headaches. So if youre prone to migraines, you might get one if you drink to excess.