LACTULOSE vs MICRO-K LS

Independent side-by-side comparison.

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

Possible drug interaction. LACTULOSE and MICRO-K LS 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	LACTULOSE	MICRO-K LS
Rating	68/100	New
Pharmacy pays	~$0.73 /30	$0.04 /mL
Type	RX	RX
Active ingredient	LACTULOSE	POTASSIUM CHLORIDE
Manufacturer	Fresenius Kabi USA	Kv Pharm
Dosage forms	Solution, Powder	—
Drug class	Osmotic Laxative	Osmotic Laxative
Boxed warning	None	None
Treats	Constipation, Hepatic Encephalopathy	Hypokalemia

lactulose micro-k ls

Rating

68/100

New

Pharmacy pays

~$0.73 /30

$0.04 /mL

Type

Active ingredient

LACTULOSE

POTASSIUM CHLORIDE

Manufacturer

Fresenius Kabi USA

Kv Pharm

Dosage forms

Solution, Powder

—

Drug class

Osmotic Laxative

Boxed warning

None

Treats

Constipation, Hepatic Encephalopathy

Hypokalemia

Frequently asked questions

What is the difference between Lactulose and Micro-K Ls?

Lactulose contains Lactulose, while Micro-K Ls contains Potassium Chloride — 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.