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BUMEX vs DYNACIRC CR

Independent side-by-side comparison.

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

Possible drug interaction. BUMEX and DYNACIRC CR 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.

Rating

72/100
72/100

Pharmacy pays

~$4.00 /30
~$49.79 /30

Type

RX
RX

Active ingredient

BUMETANIDE
ISRADIPINE

Dosage forms

Tablet
Tablet, extended release

Drug class

Loop Diuretic
—

Boxed warning

Treats

Ascites, Edema, Heart Failure
Variant Angina Pectoris, Hypertension

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Frequently asked questions

Which is better-rated, Bumex or Dynacirc CR?

Bumex and Dynacirc CR are tied at 3.6 out of 5 by our independent rating.

Which is cheaper, Bumex or Dynacirc CR?

Bumex costs pharmacies less to acquire — about $4.00 vs $49.79 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Bumex and Dynacirc CR?

Bumex contains Bumetanide, while Dynacirc CR contains Isradipine — 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.