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Pricing is calculated based on your prescription details.

Get Potassium Citrate ER for as low as $13.20, which is 84% off the average retail price of $81.29 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.


Popular offers
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 5meq | 60 tablets | $85.07 | $20.87 |
| 10meq | 180 tablets | $154.45 | $47.76 |
| 15meq | 180 tablets | $29.05 | $17.08 |
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 10/22/26.