Affiliate & partner disclosure: This article contains affiliate links, and I may earn a commission if you buy through them at no extra cost to you. As an authorised LifeWave Brand Partner, I have a financial interest in promoting LifeWave products. Testimonial/editorial given by a LifeWave brand partner with financial interest in promoting the product. Full disclosure at the end.
Get urgent help for a sudden, severe (“worst ever”) headache, or a headache with fever and stiff neck, confusion, weakness, numbness, trouble speaking, vision loss, or after a head injury. See your GP about new, frequent or worsening headaches, especially after 50. This is general information, not medical advice. LifeWave products are not a treatment for headaches or any condition.
Not drinking enough is one of the commonest and most fixable causes of everyday headaches. If you get them regularly, your fluid intake is one of the first things worth checking.
Key takeaways
- Dehydration headaches are usually dull, on both sides, and ease within an hour or so of drinking.
- Morning headaches can follow a night without fluids, or alcohol.
- Small trials suggest drinking more water may help some people with frequent headaches.
- Low magnesium is linked with migraine in some people.
Is it dehydration?
Clues: a dull ache, dark urine, dry mouth, tiredness, and improvement within 30–60 minutes of drinking water. If water doesn’t help, or the pattern is new, see your GP.
Migraine
Dehydration is a commonly reported migraine trigger. Small trials have found that increasing daily water intake improved headache-related quality of life in some people. Magnesium may help prevent migraine in some people; ask your GP before supplementing.
Practical habits
- A glass of water when you wake.
- Drink regularly through the day rather than all at once.
- More fluids for training, heat, sauna and alcohol.
- Electrolytes if you sweat heavily — I use Perform electrolytes around training and sauna.
- Don’t overdo plain water: very large volumes quickly can dilute blood sodium.
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Join free →Where does LifeWave fit? Not here. Ordinary water fixes a dehydration headache. LifeWave’s X2O is a filter with hydrogen and light infusion; there’s no good evidence it helps headaches, and I don’t use it. I wear an X39 daily as a separate general-wellness habit.
Frequently asked questions
How much water to stop a dehydration headache?
Often 500ml to a litre over the next hour helps if dehydration is the cause.
Why do I wake with headaches?
Overnight dehydration and alcohol are common causes, but so are sleep apnoea, teeth grinding, caffeine withdrawal and medication overuse. If it’s frequent, see your GP.
Can too much water cause headaches?
Yes, if it lowers blood sodium. It’s uncommon outside endurance events.
Does any LifeWave product treat headaches?
No. No such claim is made. LifeWave products are not intended to diagnose, treat, cure or prevent any disease.
Related reading
How Much Water Should You Drink? · What Are Electrolytes? · Magnesium
Full disclosure. This article is general information, not medical advice. LifeWave products are not intended to diagnose, treat, cure or prevent any disease; statements about them have not been evaluated by the FDA. As an authorised LifeWave Brand Partner I have a financial interest in promoting LifeWave products.
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