Prescription savings
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Medication discounts

Get Potassium Chloride ER for as low as $23.80, which is 62% off the average retail price of $62.13 for the most common version, by using a GoodRx coupon.
You can save more on select medications with GoodRx Companion. See which medications are eligible.


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Pricing is calculated based on your prescription details.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
Popular offers
| 8meq | 90 tablets | $56.89 | $22.07 |
| 10meq | 90 tablets | $36.59 | $16.17 |
| 15meq | 30 tablets | $33.78 | $16.95 |
| 20meq | 90 tablets | $25.64 | $23.80 |
| 8meq | 90 capsules | $251.32 | $26.41 |
| 10meq | 90 capsules | $78.24 | $29.21 |
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 10/23/26.