CEPHULAC vs CHRONULAC

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Attribute	CEPHULAC	CHRONULAC
Rating	70/100	70/100
Pharmacy pays	~$0.73 /30	~$0.73 /30
Type	RX	RX
Active ingredient	LACTULOSE	LACTULOSE
Manufacturer	Sanofi Aventis US	Sanofi Aventis US
Dosage forms	Solution	Solution
Drug class	Osmotic Laxative	Osmotic Laxative
Boxed warning	None	None
Treats	Constipation, Hepatic Encephalopathy	Constipation, Hepatic Encephalopathy

cephulac chronulac

Rating

70/100

Pharmacy pays

~$0.73 /30

Type

Active ingredient

LACTULOSE

Manufacturer

Sanofi Aventis US

Dosage forms

Solution

Drug class

Osmotic Laxative

Boxed warning

None

Treats

Constipation, Hepatic Encephalopathy

Frequently asked questions

Which is better-rated, Cephulac or Chronulac?

Cephulac and Chronulac are tied at 3.5 out of 5 by our independent rating.

Which is cheaper, Cephulac or Chronulac?

Pharmacies pay about the same to acquire either one — roughly $0.73 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 Cephulac and Chronulac?

Both Cephulac and Chronulac share the active ingredient Lactulose.

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.