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Get Sulfamethoxazole/Trimethoprim for as low as $2.10, which is 94% off the average retail price of $33.76 for the most common version, by using a GoodRx coupon.



| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 400mg/ 80mg | 30 tablets | N/A | $12.35 |
| 800mg/ 160mg | 14 tablets | $12.03 | $2.25 |
| 200mg/ 40mg/ 5ml | 200 ml | $85.58 | $23.33 |
Get an extra $10.00 off Sulfamethoxazole/Trimethoprim and up to 90% off all prescriptions. Gold plans start at just $9.99/mo. Cancel any time.*
GoodRx coupon prices last updated on 04/30/26.
*Prices subject to change without notice. Sales tax may apply and is not included.