LANIAZID vs RIFAMPIN

Independent side-by-side comparison.

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

Possible drug interaction. LANIAZID and RIFAMPIN 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	LANIAZID	RIFAMPIN
Rating	New	66/100
Pharmacy pays	~$96.88 /30	~$20.59 /30
Type	RX	RX
Active ingredient	ISONIAZID	RIFAMPIN
Manufacturer	Chartwell Molecular	Fresenius Kabi USA
Dosage forms	Tablet	Capsule
Drug class	Antimycobacterial	Rifamycin Antibacterial
Boxed warning	Boxed warning	None
Treats	Tuberculosis	Brucellosis, Haemophilus Infections, Legionnaires' Disease

laniazid rifampin

Rating

New

66/100

Pharmacy pays

~$96.88 /30

~$20.59 /30

Type

Active ingredient

ISONIAZID

RIFAMPIN

Manufacturer

Chartwell Molecular

Fresenius Kabi USA

Dosage forms

Tablet

Capsule

Drug class

Antimycobacterial

Rifamycin Antibacterial

Boxed warning

None

Treats

Tuberculosis

Brucellosis, Haemophilus Infections, Legionnaires' Disease

Frequently asked questions

Which is cheaper, Laniazid or Rifampin?

Rifampin costs pharmacies less to acquire — about $20.59 vs $96.88 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 Laniazid and Rifampin?

Laniazid contains Isoniazid, while Rifampin contains Rifampin — 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.