How to Save on Isoniazid
Use the free RxDiff discount card to save up to 80% on Isoniazid at pharmacies near you. Compare prices at CVS, Walgreens, Walmart, Costco, and thousands of independent pharmacies — no insurance or account required.
About Isoniazid
Isoniazid is classified as a Antimycobacterial, administered oral.
What is Isoniazid used for?
According to FDA labeling: INDICATIONS AND USAGE Isoniazid tablets, USP are recommended for all forms of tuberculosis in which organisms are susceptible. However, active tuberculosis must be treated with multiple concomitant anti-tuberculosis medications to prevent the emergence of drug resistance. Single-drug treatment of active tuberculosis with isoniazid or any other medication, is inadequate therapy. Isoniazid tablets, USP are recommended as preventive therapy for the following groups, regardless of age.
Important Safety Information
WARNINGS See the boxed warning . Severe Cutaneous Adverse Reactions Severe cutaneous adverse reactions (SCARs) including toxic epidermal necrolysis (TEN), Stevens-Johnson syndrome (SJS), drug reaction with eosinophilia and systemic symptoms (DRESS), and acute generalized exanthematous pustulosis (AGEP) have been reported with the use of isoniazid (see ADVERSE REACTIONS ).
Drug information sourced from the FDA. This is not medical advice — consult your doctor or pharmacist before starting or changing any medication.
Isoniazid Prices Near You
Compare live Isoniazid prices at 70,000+ pharmacies using the search above. Prices vary by location, dosage, and quantity — use a free RxDiff discount card to get the lowest available price with no insurance required.
Frequently Asked Questions About Isoniazid
How much does Isoniazid cost without insurance?
The price of Isoniazid varies by pharmacy, dosage, and quantity. Use RxDiff to compare real-time prices — costs can range from $4 to over $100 depending on location and form.
Where is Isoniazid cheapest near me?
Use RxDiff to instantly compare Isoniazid prices at CVS, Walgreens, Walmart, Costco, and independent pharmacies near you. Prices vary significantly by location — always check before paying.
Do I need insurance to use RxDiff?
No. RxDiff is completely free and works without insurance. In many cases, RxDiff prices are lower than insurance copays — making it worth checking even if you have coverage.
Tips for Saving More on Isoniazid
- Compare every pharmacy — Isoniazid prices can vary dramatically by location. Warehouse pharmacies like Costco and Walmart often have the lowest cash prices on generics.
- Request a 90-day supply — Filling 90 days instead of 30 typically reduces the per-day cost, especially at mail-order and warehouse pharmacies.
- Use the free RxDiff discount card — Works at 70,000+ pharmacies with no sign-up or insurance required. In many cases the discount card price beats your insurance copay.
- Check for manufacturer savings programs — Brand-name medications may have copay cards that reduce your cost to $0–$5 per month with commercial insurance. See the manufacturer coupons page for available programs.
- Ask your doctor about alternatives — If Isoniazid is expensive, a therapeutically equivalent generic or a different drug in the same class may cost significantly less. Always ask your prescriber before switching.
Related Medications
These medications are in the Antimycobacterial class.
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