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LACTULOSE vs POLYETHYLENE GLYCOL 3350

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. LACTULOSE and POLYETHYLENE GLYCOL 3350 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.

lactulosepolyethylene glycol 3350

Rating

68/100
56/100

Pharmacy pays

~$0.73 /30
$1.11 /g

Type

RX
RX

Active ingredient

LACTULOSE
POLYETHYLENE GLYCOL 3350

Manufacturer

Fresenius Kabi USA
Teva

Dosage forms

Solution, Powder
Powder

Drug class

Osmotic Laxative
Osmotic Laxative

Boxed warning

None
None

Treats

Constipation, Hepatic Encephalopathy
Constipation

Frequently asked questions

Which is better-rated, Lactulose or Polyethylene Glycol 3350?

By our independent rating, Lactulose scores higher — 3.4 vs 2.8 out of 5 for Polyethylene Glycol 3350. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Lactulose and Polyethylene Glycol 3350?

Lactulose contains Lactulose, while Polyethylene Glycol 3350 contains Polyethylene Glycol 3350 — 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.