You think it’s the alcohol pounding in your head, that feeling like your heart has moved into your brain?
But in reality, several culprits share the blame: dehydration, vasodilation, inflammation and a drop in neurotransmitters.
Let’s break down what’s making you suffer so much.
🧠 Your brain gets dehydrated
Alcohol is a diuretic. You lose water. The volume of fluid around your brain decreases. And since it floats in a protective sea, it starts to "pull" on its membranes → guaranteed headache.
“The loss of extracellular fluid caused by ethanol can cause indirect meningeal pain.” Swift & Davidson, Alcohol Health & Research World, 1998