ISOPTO ATROPINE vs SPIRIVA RESPIMAT

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 17, 2026·How we rate

Possible drug interaction. ISOPTO ATROPINE and SPIRIVA RESPIMAT 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	ISOPTO ATROPINE	SPIRIVA RESPIMAT
Rating	New	72/100
Pharmacy pays	$6.87 /mL	~$353.74 /30
Type	RX	RX
Active ingredient	ATROPINE SULFATE	TIOTROPIUM BROMIDE
Manufacturer	Alcon	Boehringer Ingelheim
Dosage forms	Solution	Spray/Inhaler, metered
Drug class	Anticholinergic	Anticholinergic
Boxed warning	None	None
Treats	Bradycardia, Heart Arrest, Poisoning	Pulmonary Emphysema, Chronic Bronchitis

isopto atropine spiriva respimat

Rating

New

72/100

Pharmacy pays

$6.87 /mL

~$353.74 /30

Type

Active ingredient

ATROPINE SULFATE

TIOTROPIUM BROMIDE

Manufacturer

Alcon

Boehringer Ingelheim

Dosage forms

Solution

Spray/Inhaler, metered

Drug class

Anticholinergic

Boxed warning

None

Treats

Bradycardia, Heart Arrest, Poisoning

Pulmonary Emphysema, Chronic Bronchitis

Frequently asked questions

What is the difference between Isopto Atropine and Spiriva Respimat?

Isopto Atropine contains Atropine Sulfate, while Spiriva Respimat contains Tiotropium Bromide — 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.