EMGALITY vs IMITREX

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 19, 2026·How we rate

Possible drug interaction. EMGALITY and IMITREX are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	EMGALITY	IMITREX
Rating	New	70/100
Pharmacy pays	—	~$481.89 /30
Type	RX	RX
Active ingredient	GALCANEZUMAB-GNLM	SUMATRIPTAN
Manufacturer	Eli Lilly and Co	Glaxosmithkline
Dosage forms	Injectable	Injectable, Tablet
Drug class	—	Serotonin-1b and Serotonin-1d Receptor Agonist
Boxed warning	None	None
Half-life	—	about 2 hours (terminal elimination half-life 115 ± 19 minutes)
Treats	Cluster Headache	Cluster Headache, Migraine Disorders

emgality imitrex

Rating

New

70/100

Pharmacy pays

—

~$481.89 /30

Type

Active ingredient

GALCANEZUMAB-GNLM

SUMATRIPTAN

Manufacturer

Eli Lilly and Co

Glaxosmithkline

Dosage forms

Injectable

Injectable, Tablet

Drug class

—

Serotonin-1b and Serotonin-1d Receptor Agonist

Boxed warning

None

Half-life

—

about 2 hours (terminal elimination half-life 115 ± 19 minutes)

Treats

Cluster Headache

Cluster Headache, Migraine Disorders

Frequently asked questions

What is the difference between Emgality and Imitrex?

Emgality contains Galcanezumab-Gnlm, while Imitrex contains Sumatriptan — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.