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Popular offers
Get Potassium Chloride ER for as low as $18.00, which is 75% off the average retail price of $73.28 for the most common version, by using a GoodRx coupon. Learn about saving on prescription medications with GoodRx Companion.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 8meq | 90 tablets | $56.99 | $22.47 |
| 10meq | 90 tablets | $36.97 | $16.17 |
| 15meq | 30 tablets | $33.71 | $17.35 |
| 20meq | 90 tablets | $25.46 | $23.80 |
| 8meq | 90 capsules | $252.46 | $25.42 |
| 10meq | 90 capsules | $77.77 | $28.96 |
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 09/14/26.
