| HF | High-frequency episodic migraine |
| CM | Chronic migraine |
| CGRP | Calcitonin-gene-related peptide |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.