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Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Health conditions
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Medication discounts


Get Isoniazid for as low as $10.52, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.

Popular offers
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 100mg | 46 tablets | N/A | $12.37 |
| 300mg | 30 tablets | $126.60 | $12.27 |
| 50mg/ 5ml | 473 ml | $371.56 | $112.01 |









200+ medications are free, with hundreds more under $10. Just $14.99/mo. Terms apply.
GoodRx coupon prices last updated on 05/15/26.
*Prices subject to change without notice. Sales tax may apply and is not included.