Do migraines cause sensitivity to smells?

Migraine FAQs: Do migraines cause sensitivity to smells?

About 40 percent to 50 percent of migraine sufferers experience a change in their sense of smell during a migraine attack. Although sensitivity to smells hasn't been studied as much as migraine aura or light sensitivity, it does occur often and for many people it causes discomfort.

In some, the change may be a small increase in the ability to smell things far away. More often, migraine sufferers complain that smells make them feel worse during a migraine attack.

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