REGONOL vs TENSILON PRESERVATIVE FREE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. REGONOL and TENSILON PRESERVATIVE FREE 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	REGONOL	TENSILON PRESERVATIVE FREE
Rating	68/100	70/100
Pharmacy pays	$0.60 /mL	—
Type	RX	RX
Active ingredient	PYRIDOSTIGMINE BROMIDE	EDROPHONIUM CHLORIDE
Manufacturer	Sandoz	Pai Holdings Pharm
Dosage forms	Injectable	Injectable
Drug class	Cholinesterase Inhibitor	—
Boxed warning	None	None
Treats	Drug-Induced Abnormalities, Myasthenia Gravis	Drug-Induced Abnormalities, Drug-Related Side Effects and Adverse Reactions

regonol tensilon preservative free

Rating

68/100

70/100

Pharmacy pays

$0.60 /mL

—

Type

Active ingredient

PYRIDOSTIGMINE BROMIDE

EDROPHONIUM CHLORIDE

Manufacturer

Sandoz

Pai Holdings Pharm

Dosage forms

Injectable

Drug class

Cholinesterase Inhibitor

—

Boxed warning

None

Treats

Drug-Induced Abnormalities, Myasthenia Gravis

Drug-Induced Abnormalities, Drug-Related Side Effects and Adverse Reactions

Frequently asked questions

Which is better-rated, Regonol or Tensilon Preservative Free?

By our independent rating, Tensilon Preservative Free scores higher — 3.5 vs 3.4 out of 5 for Regonol. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Regonol and Tensilon Preservative Free?

Regonol contains Pyridostigmine Bromide, while Tensilon Preservative Free contains Edrophonium Chloride — 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.