Prescription savings
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Medication discounts

Get Potassium Chloride ER for as low as $18.00, which is 78% off the average retail price of $80.02 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 8meq | 90 capsules | $165.35 | $27.29 |
| 10meq | 90 capsules | $74.71 | $29.29 |

200+ medications are free, with hundreds more under $10. Just $14.99/mo. Terms apply.
GoodRx coupon prices last updated on 05/18/26.
*Prices subject to change without notice. Sales tax may apply and is not included.