DILTIAZEM HYDROCHLORIDE vs TIAZAC

Independent side-by-side comparison.

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

Attribute	DILTIAZEM HYDROCHLORIDE	TIAZAC
Rating	New	New
Pharmacy pays	~$9.18 /30	~$9.18 /30
Type	RX	RX
Active ingredient	DILTIAZEM HYDROCHLORIDE	DILTIAZEM HYDROCHLORIDE
Manufacturer	Nesher Pharms	Bausch
Dosage forms	Capsule, extended release, Injectable, Powder, Solution, Tablet, Tablet, extended release	Capsule, extended release
Drug class	Calcium Channel Blocker	Calcium Channel Blocker
Boxed warning	None	None
Half-life	about 3 to 4.5 hours	about 3 to 4.5 hours
Treats	Variant Angina Pectoris, Atrial Fibrillation, Atrial Flutter	Variant Angina Pectoris, Atrial Fibrillation, Atrial Flutter

diltiazem hydrochloride tiazac

Rating

New

Pharmacy pays

~$9.18 /30

Type

Active ingredient

DILTIAZEM HYDROCHLORIDE

Manufacturer

Nesher Pharms

Bausch

Dosage forms

Capsule, extended release, Injectable, Powder, Solution, Tablet, Tablet, extended release

Capsule, extended release

Drug class

Calcium Channel Blocker

Boxed warning

None

Half-life

about 3 to 4.5 hours

Treats

Variant Angina Pectoris, Atrial Fibrillation, Atrial Flutter

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Frequently asked questions

Which is cheaper, Diltiazem Hydrochloride or Tiazac?

Pharmacies pay about the same to acquire either one — roughly $9.18 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 Diltiazem Hydrochloride and Tiazac?

Both Diltiazem Hydrochloride and Tiazac share the active ingredient Diltiazem Hydrochloride.

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.