NORISODRINE vs TWINJECT

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 9, 2026·How we rate

Possible drug interaction. NORISODRINE and TWINJECT 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	NORISODRINE	TWINJECT
Rating	72/100	72/100
Pharmacy pays	—	~$3895.90 /30
Type	RX	RX
Active ingredient	ISOPROTERENOL SULFATE	EPINEPHRINE
Manufacturer	Abbvie	Impax
Dosage forms	Powder	Injectable
Drug class	Beta-Adrenergic Agonist	Catecholamine
Boxed warning	None	None
Treats	Adams-Stokes Syndrome, Bradycardia, Low Cardiac Output	Airway Obstruction, Anaphylaxis, Bradycardia

norisodrine twinject

Rating

72/100

Pharmacy pays

—

~$3895.90 /30

Type

Active ingredient

ISOPROTERENOL SULFATE

EPINEPHRINE

Manufacturer

Abbvie

Impax

Dosage forms

Powder

Injectable

Drug class

Beta-Adrenergic Agonist

Catecholamine

Boxed warning

None

Treats

Adams-Stokes Syndrome, Bradycardia, Low Cardiac Output

Airway Obstruction, Anaphylaxis, Bradycardia

Frequently asked questions

Which is better-rated, Norisodrine or Twinject?

Norisodrine and Twinject are tied at 3.6 out of 5 by our independent rating.

What is the difference between Norisodrine and Twinject?

Norisodrine contains Isoproterenol Sulfate, while Twinject contains Epinephrine — 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.