Prescription savings
Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Resources
About GoodRx
Health conditions
Medications & treatment
Access & affordability
Well-being
Medication discounts
Check your prescription
Pricing is calculated based on your prescription details.

Get Potassium Chloride ER for as low as $23.80, which is 54% off the average retail price of $51.93 for the most common version, by using a GoodRx coupon.


| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 8meq | 90 tablets | $57.04 | $22.47 |
| 10meq | 90 tablets | $37.29 | $16.17 |
| 15meq | 60 tablets | $61.91 | $25.60 |
| 20meq | 90 tablets | $25.95 | $23.80 |
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 08/29/26.