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CLONIDINE HYDROCHLORIDE vs DYNACIRC CR

Independent side-by-side comparison.

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

Possible drug interaction. CLONIDINE HYDROCHLORIDE 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.

clonidine hydrochloridedynacirc cr

Rating

72/100
70/100

Pharmacy pays

~$1.05 /30
~$49.91 /30

Type

RX
RX

Active ingredient

CLONIDINE HYDROCHLORIDE
ISRADIPINE

Manufacturer

Actavis Elizabeth
Glaxosmithkline

Dosage forms

Injectable, Tablet, Tablet, extended release
Tablet, extended release

Drug class

Central Alpha-2 Adrenergic Agonist
—

Boxed warning

None
None

Half-life

about 12 to 16 hours
—

Treats

Attention Deficit Disorder with Hyperactivity, Diarrhea, Dysmenorrhea
Variant Angina Pectoris, Hypertension

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Frequently asked questions

Which is better-rated, Clonidine Hydrochloride or Dynacirc CR?

By our independent rating, Clonidine Hydrochloride scores higher — 3.6 vs 3.5 out of 5 for Dynacirc CR. Ratings are based on FDA regulatory (recall-safety) data.

Which is cheaper, Clonidine Hydrochloride or Dynacirc CR?

Clonidine Hydrochloride costs pharmacies less to acquire — about $1.05 vs $49.91 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 Clonidine Hydrochloride and Dynacirc CR?

Clonidine Hydrochloride contains Clonidine Hydrochloride, 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.