How much water should you drink for migraines?

For migraine prevention, adequate hydration is crucial. Adults should drink 2 to 2.5 litres of water daily, as dehydration is one of the most common migraine triggers. Insufficient fluid intake affects blood circulation to the brain and can cause headaches within hours. Optimal hydration helps prevent migraine attacks and reduces the intensity of existing symptoms.

Why does drinking too little water cause migraine attacks?

Dehydration disrupts blood circulation to the brain and reduces blood volume, causing the brain to receive less oxygen and nutrients. This leads to the dilation of blood vessels and inflammatory reactions that activate migraine triggers.

When your body lacks fluid, it produces stress hormones such as cortisol and adrenaline. These hormones affect the neurotransmitters in your brain, including serotonin, which plays an important role in migraine development. Additionally, fluid deficiency causes your blood to thicken, further impeding circulation to the brain.

The process often begins with fluid loss of just 2% of your body weight. At that point, the first symptoms, such as migraine headaches, can already occur. The brain reacts extremely sensitively to changes in fluid balance, as it consists of 75% water.

How much water should you drink exactly to prevent migraine?

The recommended daily amount of water for migraine prevention is 35 millilitres per kilogram of body weight. For a 70-kilogram adult, this means approximately 2.5 litres per day. In hot temperatures, during exercise or stress, increase this by 500 to 750 millilitres extra.

Distribute your water intake evenly throughout the day by drinking a small glass every hour. This prevents sudden fluctuations in your fluid balance that can trigger migraine. Start your day with two glasses of water to replenish the fluid loss from the night.

Consider these factors that increase your fluid needs:

• Physical activity: 150 to 250 ml extra per hour of exercise
• Hot weather: 500 to 750 ml extra at temperatures above 25°C
• Stressful periods: 300 to 500 ml extra during busy days
• Caffeine consumption: 100 ml water per cup of coffee or tea

What signs indicate you’re drinking too little with migraine?

Early warning signs of dehydration that can precede aura spots and migraine include: dark urine, dry mouth, fatigue and mild headache. These symptoms often occur 2 to 4 hours before a full migraine attack begins.

Watch for these specific signs indicating fluid deficiency:

• Urine darker than light yellow
• Thirst, especially in the morning
• Dry lips and sticky saliva
• Concentration problems and irritability
• Dizziness when standing up
• Reduced skin elasticity

In migraine-sensitive people, these symptoms can quickly escalate to a full attack. You can distinguish from other types of migraine causes by checking whether symptoms diminish after drinking 2 to 3 glasses of water within 30 minutes.

What are the best drinks against migraine besides water?

Electrolyte drinks and herbal teas are effective alternatives to water for migraine prevention. Ginger tea reduces inflammation, chamomile tea relaxes blood vessels, and isotonic drinks restore the mineral balance important for nerve function.

Effective drinks for migraine prevention:

• Ginger tea: reduces inflammation and nausea
• Chamomile tea: relaxes muscles and blood vessels
• Coconut water: natural electrolytes without added sugars
• Diluted sports drinks: during heavy sweating or prolonged exercise
• Magnesium water: supports nerve and muscle function

Avoid these drinks that can worsen migraine: alcohol (increases dehydration), large amounts of caffeinated drinks, sugary soft drinks and energy drinks. These can cause blood sugar fluctuations that act as migraine triggers.

How chiropractic care helps with migraine and hydration

We offer a holistic approach to migraine treatment, combining hydration advice with specialised techniques. By aligning the spine, we improve nerve communication that supports the natural regulation of fluid balance and pain perception.

Our approach to migraine treatment includes:

• A personalised hydration plan tailored to your lifestyle and migraine triggers
• Chiropractic adjustments that reduce tension in the neck and skull
• CFR techniques (Cranial Facial Release) for improved circulation
• Advice on nutrition and lifestyle factors that influence migraine
• Preventive care to prevent recurring attacks

By combining optimal hydration and chiropractic care, we address migraine at its source rather than just treating symptoms. Discover more about our migraine treatments or contact us for a personalised treatment plan. Visit our practice and experience how a holistic approach can improve your quality of life.