ARICEPT vs NEOSTIGMINE METHYLSULFATE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 18, 2026·How we rate

Possible drug interaction. ARICEPT and NEOSTIGMINE METHYLSULFATE 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	ARICEPT	NEOSTIGMINE METHYLSULFATE
Rating	New	70/100
Pharmacy pays	~$1.43 /30	—
Type	RX	RX
Active ingredient	DONEPEZIL HYDROCHLORIDE	NEOSTIGMINE METHYLSULFATE
Manufacturer	Eisai Inc	Meitheal
Dosage forms	Tablet	Injectable
Drug class	Cholinesterase Inhibitor	Cholinesterase Inhibitor
Boxed warning	None	None
Half-life	about 70 hours	—
Treats	Alzheimer Disease	Drug-Induced Abnormalities, Urinary Bladder Diseases, Myasthenia Gravis

aricept neostigmine methylsulfate

Rating

New

70/100

Pharmacy pays

~$1.43 /30

—

Type

Active ingredient

DONEPEZIL HYDROCHLORIDE

NEOSTIGMINE METHYLSULFATE

Manufacturer

Eisai Inc

Meitheal

Dosage forms

Tablet

Injectable

Drug class

Cholinesterase Inhibitor

Boxed warning

None

Half-life

about 70 hours

—

Treats

Alzheimer Disease

Drug-Induced Abnormalities, Urinary Bladder Diseases, Myasthenia Gravis

Frequently asked questions

What is the difference between Aricept and Neostigmine Methylsulfate?

Aricept contains Donepezil Hydrochloride, while Neostigmine Methylsulfate contains Neostigmine Methylsulfate — 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.