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

Get Potassium Chloride ER for as low as $21.38, which is 58% off the average retail price of $51.06 for the most common version, by using a GoodRx coupon.


| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 8meq | 90 tablets | $57.09 | $23.37 |
| 10meq | 90 tablets | $18.99 | $16.17 |
| 20meq | 90 tablets | $25.93 | $21.38 |
200+ medications are free, with hundreds more under $10. Just $14.99/mo. (other pricing options available). Terms apply.
GoodRx coupon prices last updated on 07/15/26.