---
title: "Can Dehydration Trigger a Migraine? | Sutter Health"
description: "I've been having visual migraines where I get jagged vision, usually in my left eye, and progressing from the lower right edge to encompass my whole left visual field. Could this be the result of dehydration?"
url: "/ask-an-expert/answers/can-dehydration-trigger-a-migraine-1051061480"
---

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# Can Dehydration Trigger a Migraine?

* * *

Medically reviewed by

-   Mark Saleh, M.D.

## Question

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

## Answer

Dehydration is one of several triggers that can exacerbate migraine headaches, including migraine variants like the one 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. You can share that migraine diary with your physician if the problem continues.

## Explore related topics

Migraines and headachesMigraine

## Meet our care team

Mark Saleh, M.D.

Neurology

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