DYNACIRC vs DYNACIRC CR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Attribute	DYNACIRC	DYNACIRC CR
Rating	New	70/100
Pharmacy pays	~$49.91 /30	~$49.91 /30
Type	RX	RX
Active ingredient	ISRADIPINE	ISRADIPINE
Manufacturer	Smithkline Beecham	Glaxosmithkline
Dosage forms	Capsule	Tablet, extended release
Drug class	—	—
Boxed warning	None	None
Treats	Variant Angina Pectoris, Hypertension	Variant Angina Pectoris, Hypertension

dynacirc dynacirc cr

Rating

New

70/100

Pharmacy pays

~$49.91 /30

Type

Active ingredient

ISRADIPINE

Manufacturer

Smithkline Beecham

Glaxosmithkline

Dosage forms

Capsule

Tablet, extended release

Drug class

—

Boxed warning

None

Treats

Variant Angina Pectoris, Hypertension

Get dynacirc crhigher-rated option

Advertising disclosure: Some links are affiliate links. We may earn a commission at no extra cost to you. This never affects our independent ratings.

Get treatment online

Licensed online providers — consult & get prescribed if eligible.

SesameCompare online visit prices

Frequently asked questions

Which is cheaper, Dynacirc or Dynacirc CR?

Pharmacies pay about the same to acquire either one — roughly $49.91 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 Dynacirc and Dynacirc CR?

Both Dynacirc and Dynacirc CR share the active ingredient Isradipine.

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.