MEXILETINE HYDROCHLORIDE vs PRONESTYL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. MEXILETINE HYDROCHLORIDE and PRONESTYL 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	MEXILETINE HYDROCHLORIDE	PRONESTYL
Rating	70/100	New
Pharmacy pays	~$8.44 /30	—
Type	RX	RX
Active ingredient	MEXILETINE HYDROCHLORIDE	PROCAINAMIDE HYDROCHLORIDE
Manufacturer	Macleods Pharms Ltd	Apothecon
Dosage forms	Capsule	Capsule, Tablet, Injectable
Drug class	Antiarrhythmic	Antiarrhythmic
Boxed warning	None	None
Treats	Diabetic Neuropathies, Ventricular Fibrillation, Ventricular Premature Complexes	Atrial Fibrillation, Atrial Flutter, Supraventricular Tachycardia

mexiletine hydrochloride pronestyl

Rating

70/100

New

Pharmacy pays

~$8.44 /30

—

Type

Active ingredient

MEXILETINE HYDROCHLORIDE

PROCAINAMIDE HYDROCHLORIDE

Manufacturer

Macleods Pharms Ltd

Apothecon

Dosage forms

Capsule

Capsule, Tablet, Injectable

Drug class

Antiarrhythmic

Boxed warning

None

Treats

Diabetic Neuropathies, Ventricular Fibrillation, Ventricular Premature Complexes

Atrial Fibrillation, Atrial Flutter, Supraventricular Tachycardia

Frequently asked questions

What is the difference between Mexiletine Hydrochloride and Pronestyl?

Mexiletine Hydrochloride contains Mexiletine Hydrochloride, while Pronestyl contains Procainamide Hydrochloride — 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.