Preventive Migraine Treatment | Emgality® (galcanezumab-gnlm)
Important Facts About Emgality ® (em-GAL-it-ē) injection. Also known as galcanezumab-gnlm. Emgality is a prescription medicine used in adults for: The preventive treatment of migraine. The medicine (120 mg) comes in a prefilled pen or syringe and is taken once a month. The treatment of episodic cluster headache.