NORISODRINE vs VAPO-ISO

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 15, 2026·How we rate

Possible drug interaction. NORISODRINE and VAPO-ISO 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	VAPO-ISO
Rating	72/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	ISOPROTERENOL SULFATE	ISOPROTERENOL HYDROCHLORIDE
Manufacturer	Abbvie	Fisons
Dosage forms	Powder	Solution
Drug class	Beta-Adrenergic Agonist	Beta-Adrenergic Agonist
Boxed warning	None	None
Treats	Adams-Stokes Syndrome, Bradycardia, Low Cardiac Output	Adams-Stokes Syndrome, Bradycardia, Low Cardiac Output

norisodrine vapo-iso

Rating

72/100

New

Pharmacy pays

—

Type

Active ingredient

ISOPROTERENOL SULFATE

ISOPROTERENOL HYDROCHLORIDE

Manufacturer

Abbvie

Fisons

Dosage forms

Powder

Solution

Drug class

Beta-Adrenergic Agonist

Boxed warning

None

Treats

Adams-Stokes Syndrome, Bradycardia, Low Cardiac Output

Frequently asked questions

What is the difference between Norisodrine and Vapo-Iso?

Norisodrine contains Isoproterenol Sulfate, while Vapo-Iso contains Isoproterenol Hydrochloride — 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.