ETHAMBUTOL HYDROCHLORIDE vs RIFADIN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 7, 2026·How we rate

Possible drug interaction. ETHAMBUTOL HYDROCHLORIDE and RIFADIN 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	ETHAMBUTOL HYDROCHLORIDE	RIFADIN
Rating	60/100	70/100
Pharmacy pays	~$13.48 /30	~$20.59 /30
Type	RX	RX
Active ingredient	ETHAMBUTOL HYDROCHLORIDE	RIFAMPIN
Manufacturer	Lupin	Sanofi Aventis US
Dosage forms	Tablet	Injectable
Drug class	—	Rifamycin Antibacterial
Boxed warning	None	None
Treats	Nontuberculous Mycobacterium Infections, Tuberculosis	Brucellosis, Haemophilus Infections, Legionnaires' Disease

ethambutol hydrochloride rifadin

Rating

60/100

70/100

Pharmacy pays

~$13.48 /30

~$20.59 /30

Type

Active ingredient

ETHAMBUTOL HYDROCHLORIDE

RIFAMPIN

Manufacturer

Lupin

Sanofi Aventis US

Dosage forms

Tablet

Injectable

Drug class

—

Rifamycin Antibacterial

Boxed warning

None

Treats

Nontuberculous Mycobacterium Infections, Tuberculosis

Brucellosis, Haemophilus Infections, Legionnaires' Disease

Frequently asked questions

Which is better-rated, Ethambutol Hydrochloride or Rifadin?

By our independent rating, Rifadin scores higher — 3.5 vs 3.0 out of 5 for Ethambutol Hydrochloride. Ratings are based on FDA regulatory (recall-safety) data.

Which is cheaper, Ethambutol Hydrochloride or Rifadin?

Ethambutol Hydrochloride costs pharmacies less to acquire — about $13.48 vs $20.59 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 Ethambutol Hydrochloride and Rifadin?

Ethambutol Hydrochloride contains Ethambutol Hydrochloride, while Rifadin 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.