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Can Dehydration Trigger a Migraine? | Ask the Expert
Dehydration is one of several triggers that can exacerbate <a href="https://www.mylifestages.org/health/migraines/what_is_a_migraine.page">migraine headaches</a>, including migraine variants like you are experiencing. <a href="https://www.mylifestages.org/health/skin_care/smcsr1_hydration.page">Maintaining good hydration</a> should help reduce the frequency of these visual migraines, which are also known as acephalgic migraine. If you continue to experience these events despite adequate hydration, there may be other factors or triggers that are playing a role, and keeping a migraine diary may help identify these issues. <strong>Read more:</strong> <a href="https://www.mylifestages.org/health/skin_care/system2_hydration.page">Beyond 8 Glasses: A Balanced Approach to Healthy Hydration</a> <a href="https://www.mylifestages.org/health/migraines/migraine_triggers.page">Top 5 Migraine Triggers</a> <a href="https://www.mylifestages.org/health/migraines/treating_migraines.page">Treating Migraines: Over-the-Counter or Prescription Remedies?</a>
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Question:

I've been having visual migraines where I get jagged vision, usually in my left eye progressing from the lower right to encompass my whole left visual field. Could this be the result of dehydration?

Answer:

Mark Saleh, MDMark Saleh, MDNeurologySutter Pacific Medical Foundation
Expert
Mark Saleh, MDNeurologySutter Pacific Medical Foundation

Dr. Mark Saleh attended medical school at Tufts University and completed neurology residency at Stanford. He was in general neurology private practice for 10 years at Atherton Neurology and Sequoia Hospital. At Sequoia, he was medical director of the stroke program since its inception in 2007 to 2012. Additionally, he served a 2-year term as Chair of Internal Medicine at Sequoia. Dr. Saleh started work at CPMC in August of 2012 as director of the General Neuroconsultative and Referral Service with the goal of developing a neurohospitalist and teleneurology program.

Dehydration is one of several triggers that can exacerbate migraine headaches, including migraine variants like you are experiencing.

Maintaining good hydration should help reduce the frequency of these visual migraines, which are also known as acephalgic migraine.

If you continue to experience these events despite adequate hydration, there may be other factors or triggers that are playing a role, and keeping a migraine diary may help identify these issues.





Read more:
Beyond 8 Glasses: A Balanced Approach to Healthy Hydration
Top 5 Migraine Triggers
Treating Migraines: Over-the-Counter or Prescription Remedies?

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