DEFINITY vs DEFINITY RT

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Attribute	DEFINITY	DEFINITY RT
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	PERFLUTREN	PERFLUTREN
Manufacturer	Lantheus Medcl	Lantheus Medcl
Dosage forms	Injectable	Injectable
Drug class	—	—
Boxed warning	Boxed warning	Boxed warning

definity definity rt

Rating

New

Pharmacy pays

—

Type

Active ingredient

PERFLUTREN

Manufacturer

Lantheus Medcl

Dosage forms

Injectable

Drug class

—

Boxed warning

Frequently asked questions

What is the difference between Definity and Definity Rt?

Both Definity and Definity Rt share the active ingredient Perflutren.

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.