Find expert answers to your health questions so you can make the best decisions for yourself and your family.Prescription savings
Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Resources
About GoodRx
Find expert answers to your health questions so you can make the best decisions for yourself and your family.Health conditions
Medications & treatment
Access & affordability
Well-being
Medication discounts
Get Sulfamethoxazole/Trimethoprim for as low as $4.50, which is 88% off the average retail price of $38.19 for the most common version, by using a GoodRx coupon. Learn about saving on prescription medications with GoodRx Companion.
Check your prescription
Pricing is calculated based on your prescription details.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 400mg/ 80mg | 30 tablets | N/A | $12.25 |
| 800mg/ 160mg | 14 tablets | $11.25 | $8.90 |
| 5ml vial of 400mg/ 80mg/ 5ml | 1 carton | N/A | $12.34 |
| 200mg/ 40mg/ 5ml | 200 ml | $85.79 | $23.33 |
| 5ml of 400mg/ 80mg/ 5ml | 1 vial | N/A | $5.27 |
| 30ml of 400mg/ 80mg/ 5ml | 1 vial | N/A | $5.27 |
Popular offers
250+ medications are free, with hundreds more under $10. Plans start at $9.99/mo. (when paid yearly). Terms apply.
GoodRx coupon prices last updated on 09/06/26.
