for Tension Headache
Dehydration is one of the most common and overlooked triggers for tension headaches. Drinking 500ml of water at headache onset is a well-evidenced first response.
How it works
Dehydration reduces blood volume and can cause cerebral vasoconstriction. Restoring fluid and electrolyte balance corrects this rapidly.
What to watch for
Most effective when dehydration is the underlying cause. Add electrolytes (sodium, potassium) if also sweating or in heat.
Community experience
Other remedies for Tension Headache
See all 10 remedies →WikiRemedy surfaces community experience, not medical advice. Always consult a qualified health professional.