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  1. www.health.harvard.edu › blog › if-you-haveIf you have migraines, put down your coffee and read this

    Nov 25, 2019 · So, to review: the caffeine in coffee, tea, and other foods or drinks can help prevent a headache, treat a headache, and also trigger a headache. How can this be? Migraine headaches: Still mysterious after all these years. Migraine headaches are quite common: more than a billion people reportedly suffer from migraines worldwide. Yet, the cause ...

    • hhp_info@health.harvard.edu

  2. www.mayoclinichealthsystem.org › hometown-healthCaffeine's effect on headaches - Mayo Clinic Health System

    Oct 12, 2020 · Caffeine can provide relief for a headache. During a headache, blood vessels swell, tighten or go through other changes, causing an increase in blood flow around the brain. This increased blood flow pressures surrounding nerves, which send pain messages to the brain. This brings on the headache. Caffeine has vasoconstrictive properties, meaning ...

  3. www.webmd.com › migraines-headaches › triggers-caffeineHow Caffeine May Help (and Cause) Headaches - WebMD

    Apr 9, 2024 · Withdrawal isn't the only way caffeine can cause headaches. It can also happen when you have: Too much caffeine. Having more caffeine per day than you'd get in about four cups of coffee can also ...

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  5. www.healthline.com › health › caffeine-headacheCaffeine Headache: Can Coffee Help or Give Headaches? Cure & More

    Feb 26, 2019 · In turn, dehydration can cause headaches. Headaches can also be caused by a caffeine overdose. According to Mayo Clinic, overdosing on caffeine can cause headaches as well as a range of other side ...

    • Sian Ferguson

  6. americanmigrainefoundation.org › resource-libraryUnderstanding Caffeine Headache | American Migraine Foundation

    Oct 4, 2023 · Does caffeine cause migraine? Get to know caffeine’s varied effects on migraine and other headache disorders. Caffeine is often cited as a headache trigger, but for some people with migraine, a cup of coffee can offer relief in the midst of an attack. So, can caffeine cause headaches or is it safe for people with migraine to have in moderate ...

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  8. health.clevelandclinic.org › does-caffeine-helpDoes Caffeine Help Headaches? - Cleveland Clinic Health ...

    Feb 23, 2024 · The right amount of caffeine — about 100 to 150 milligrams — can help with a headache, while too much can cause pain. ... Before you reach for that cup of coffee to help, learn how much ...

  9. www.verywellhealth.com › does-caffeine-helpDoes Caffeine Help or Cause Headaches? - Verywell Health

    May 19, 2022 · Some people find that caffeine can help when suffering from a headache, particularly a migraine. Healthcare providers aren’t entirely sure why caffeine can help headaches for some people, but there are theories. Adenosine is a substance found in the brain that prompts the relaxation of blood vessels. Adenosine has been linked to migraines ...

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