Migraine and Headache Term of the Day: Chronic

Patient Expert

When we're looking at Migraine and headache information, whether it's from our doctor, a book, or an online article, we sometimes come across medical terms that can be confusing.

Sometimes, it's easy enough to substitute another word or a short phrase for the medical term. At other times, substituting just doesn't convey quite the same meaning or takes more than a few words.

Some of you have expressed an interest in learning more of the medical terminology that comes up when discussing Migraine disease and other headache disorders. So, I'll be posting a "term of the day," probably a couple of times a week. If there are terms you'd like to have defined, please leave a comment to let me know what it is.

Today's term: Chronic.

Chronic: marked by long duration, by frequent recurrence over a long time, and often by slowly progressing seriousness; not acute. By International Headache Society criteria, Migraines and other headache disorders are termed chronic when they occur 15 or more days per month.

Migraines and many headache disorders can be chronic or episodic.

You can read more about both chronic and episodic forms of Migraines and Headaches in our section on:

For more terms, see our Migraine and Headache Glossary.

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