Why do we get a headache when drinking cold water?

The trigeminal nerve, shown in yellow, conducts signals from dilating blood vessels in the palate to the brain, which interprets the pain as coming from the forehead. Short answer: Brain freeze is practically a rite of summer. It happens when you ... read more

A cold-stimulus headache, also known as brain freeze, ice-cream headache, trigeminal headache or its given scientific name sphenopalatine ganglioneuralgia (meaning"pain of the sphenopalatine ganglion"), is a form of brief pain or headache commonly associated with consumption (particularly quick consumption) of cold beverages or foods such as ice cream and ice pops. read more

Fifty-one of 669 women (7.6%) experienced a headache after ingesting 150 ml of ice-cold water through a straw. Women who had experienced one or more migraine attacks in the last year (active migraine) were twice as likely to experience a headache from ingesting the cold water as women who had never suffered from migraine. read more

Drinking sports drinks containing electrolytes can help prevent hyponatremia and the headaches that arise from it. If you have to use the bathroom more than once every two hours and your urine is clear, it's an indication that you may need to drink a little less. If you still feel the need to drink, have a drink that contains electrolytes to help your body stay balanced. Stay Hydrated. Dehydration from not drinking enough water can cause headaches, too. read more