APRESOLINE-ESIDRIX vs COLAZAL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 6, 2026·How we rate

Possible drug interaction. APRESOLINE-ESIDRIX and COLAZAL 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	APRESOLINE-ESIDRIX	COLAZAL
Rating	70/100	74/100
Pharmacy pays	~$1.11 /30	~$11.02 /30
Type	RX	RX
Active ingredient	HYDRALAZINE HYDROCHLORIDE AND HYDROCHLOROTHIAZIDE	BALSALAZIDE DISODIUM
Manufacturer	Novartis	Valeant Pharm Intl
Dosage forms	Tablet	Capsule
Drug class	—	Aminosalicylate
Boxed warning	None	None
Half-life	about 6 to 15 hours (the label reports a range, not a single number)	—
Treats	—	Ulcerative Colitis

apresoline-esidrix colazal

Rating

70/100

74/100

Pharmacy pays

~$1.11 /30

~$11.02 /30

Type

Active ingredient

HYDRALAZINE HYDROCHLORIDE AND HYDROCHLOROTHIAZIDE

BALSALAZIDE DISODIUM

Manufacturer

Novartis

Valeant Pharm Intl

Dosage forms

Tablet

Capsule

Drug class

—

Aminosalicylate

Boxed warning

None

Half-life

about 6 to 15 hours (the label reports a range, not a single number)

—

Treats

—

Ulcerative Colitis

Frequently asked questions

Which is better-rated, Apresoline-Esidrix or Colazal?

By our independent rating, Colazal scores higher — 3.7 vs 3.5 out of 5 for Apresoline-Esidrix. Ratings are based on FDA regulatory (recall-safety) data.

Which is cheaper, Apresoline-Esidrix or Colazal?

Apresoline-Esidrix costs pharmacies less to acquire — about $1.11 vs $11.02 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 Apresoline-Esidrix and Colazal?

Apresoline-Esidrix contains Hydralazine Hydrochloride and Hydrochlorothiazide, while Colazal contains Balsalazide Disodium — 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.