Prescription savings
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 $18.00, which is 76% off the average retail price of $75.60 for the most common version, by using a GoodRx coupon.


| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 8meq | 90 capsules | $252.39 | $25.23 |
| 10meq | 90 capsules | $76.94 | $28.62 |
200+ medications are free, with hundreds more under $10. Plans start at $9.99/mo. (when paid yearly).
GoodRx coupon prices last updated on 07/25/26.