LOPRESSOR vs METOPROLOL SUCCINATE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. LOPRESSOR and METOPROLOL SUCCINATE 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	LOPRESSOR	METOPROLOL SUCCINATE
Rating	New	New
Pharmacy pays	~$0.58 /30	~$0.58 /30
Type	RX	RX
Active ingredient	METOPROLOL TARTRATE	METOPROLOL SUCCINATE
Manufacturer	Rubicon Research	Reddys
Dosage forms	Solution, Tablet	Capsule, extended release, Tablet, extended release
Drug class	Beta-Adrenergic Blocker	Beta-Adrenergic Blocker
Boxed warning	None	None
Half-life	about 3 to 4 hours	about 3 to 4 hours
Treats	Angina Pectoris, Atrial Fibrillation, Atrial Flutter	Angina Pectoris, Atrial Fibrillation, Atrial Flutter

lopressor metoprolol succinate

Rating

New

Pharmacy pays

~$0.58 /30

Type

Active ingredient

METOPROLOL TARTRATE

METOPROLOL SUCCINATE

Manufacturer

Rubicon Research

Reddys

Dosage forms

Solution, Tablet

Capsule, extended release, Tablet, extended release

Drug class

Beta-Adrenergic Blocker

Boxed warning

None

Half-life

about 3 to 4 hours

Treats

Angina Pectoris, Atrial Fibrillation, Atrial Flutter

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Frequently asked questions

Which is cheaper, Lopressor or Metoprolol Succinate?

Pharmacies pay about the same to acquire either one — roughly $0.58 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Lopressor and Metoprolol Succinate?

Lopressor contains Metoprolol Tartrate, while Metoprolol Succinate contains Metoprolol Succinate — 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.