MESTINON vs RAZADYNE ER

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 19, 2026·How we rate

Possible drug interaction. MESTINON and RAZADYNE ER 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	MESTINON	RAZADYNE ER
Rating	New	70/100
Pharmacy pays	$0.60 /mL	~$27.35 /30
Type	RX	RX
Active ingredient	PYRIDOSTIGMINE BROMIDE	GALANTAMINE HYDROBROMIDE
Manufacturer	Bausch	Janssen Pharms
Dosage forms	Solution, Tablet, Tablet, extended release	Capsule, extended release
Drug class	Cholinesterase Inhibitor	Cholinesterase Inhibitor
Boxed warning	None	None
Treats	Drug-Induced Abnormalities, Myasthenia Gravis	Alzheimer Disease

mestinon razadyne er

Rating

New

70/100

Pharmacy pays

$0.60 /mL

~$27.35 /30

Type

Active ingredient

PYRIDOSTIGMINE BROMIDE

GALANTAMINE HYDROBROMIDE

Manufacturer

Bausch

Janssen Pharms

Dosage forms

Solution, Tablet, Tablet, extended release

Capsule, extended release

Drug class

Cholinesterase Inhibitor

Boxed warning

None

Treats

Drug-Induced Abnormalities, Myasthenia Gravis

Alzheimer Disease

Frequently asked questions

What is the difference between Mestinon and Razadyne ER?

Mestinon contains Pyridostigmine Bromide, while Razadyne ER contains Galantamine Hydrobromide — 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.