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ATROPEN vs ISOPTO ATROPINE

Independent side-by-side comparison.

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

Possible drug interaction. ATROPEN and ISOPTO ATROPINE 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.

Rating

New
New

Pharmacy pays

$6.87 /mL
$6.87 /mL

Type

RX
RX

Active ingredient

ATROPINE
ATROPINE SULFATE

Manufacturer

Dosage forms

Injectable
Solution

Drug class

Anticholinergic
Anticholinergic

Boxed warning

None
None

Treats

Bradycardia, Heart Arrest, Poisoning
Bradycardia, Heart Arrest, Poisoning

Frequently asked questions

Which is cheaper, Atropen or Isopto Atropine?

Pharmacies pay about the same to acquire either one — roughly $6.87 per ml, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Atropen and Isopto Atropine?

Atropen contains Atropine, while Isopto Atropine contains Atropine Sulfate — 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.