Potassium Chloride ER is an extended-release prescription supplement used to treat low levels of potassium. Potassium Chloride ER usually retails for $33.66 for 30, 20meq tablet extended releases of Potassium Chloride ER, but a SingleCare Potassium Chloride ER coupon reduces Potassium Chloride ER's price to $11.45 for 30, 20meq tablet extended releases of generic Potassium Chloride ER.
Edit your dosage
7 capsule extended release, 8meqEdit
Unlock members-only prices.Free signup.
You have 0.00 in available bonus savings. Bonus savings will be automatically applied to your next eligible prescription fill.
Show this free card to your pharmacist.

Save an extra $3 on any eligible prescription! Sign up for free
Members can save even more
and it's free to join
SingleCare’s prescription prices are based on multiple sources. The prices we publish are our best estimate, but we cannot guarantee that the price we display will exactly match the price you receive at the pharmacy. For an exact price, please contact your pharmacy and provide the BIN/GRP/PCN numbers shown on your SingleCare card.
Any SingleCare bonus savings, including the $3 signup bonus, may only be used once.
Prices updated: 12/05/2025
Members save the most
Potassium Chloride ER is an extended-release prescription supplement used to treat low levels of potassium. Potassium Chloride ER usually retails for $33.66 for 30, 20meq tablet extended releases of Potassium Chloride ER, but a SingleCare Potassium Chloride ER coupon reduces Potassium Chloride ER's price to $11.45 for 30, 20meq tablet extended releases of generic Potassium Chloride ER.
Our price history metrics are calculated from aggregate prescription data that we receive from all participating pharmacies. This chart updates daily to show new price fluctuations. If a data point is missing from the chart, it is because we do not have enough data to produce a reliable figure.
| Pharmacy | Potassium Chloride Er Retail Price | Potassium Chloride Er SingleCare Price |
|---|---|---|
| CVS Pharmacy | $21.00 | $20.70 |
| Walmart | $12.90 | $9.90 |
| Walgreens | $11.72 | $10.77 |
| Kroger Pharmacy | $18.00 | $12.30 |
| Albertsons Pharmacy | $28.80 | $18.30 |
These prices are based on the last month of SingleCare prescription fill data by major pharmacy. This table updates daily to show the most accurate typical prices by pharmacies. If a data point is missing from the table, it is because we do not have enough data to produce a reliable figure.
Potassium Chloride ER is an extended-release prescription supplement used to treat low levels of potassium. Potassium Chloride ER usually retails for $33.66 for 30, 20meq tablet extended releases of Potassium Chloride ER, but a SingleCare Potassium Chloride ER coupon reduces Potassium Chloride ER's price to $11.45 for 30, 20meq tablet extended releases of generic Potassium Chloride ER.
The retail price of Potassium Chloride ER without insurance averages $33.66 for 30, 20meq tablet extended releases of Potassium Chloride ER. You will pay only $11.45 for 30, 20meq tablet extended releases of generic Potassium Chloride ER using a SingleCare savings card. In fact, you can save up to 80% on the retail price for many of your prescription drug needs with SingleCare.
Copay costs of Potassium Chloride ER will depend on your insurance plan. With a SingleCare discount card, Potassium Chloride ER costs $11.45 for 30, 20meq tablet extended releases of generic Potassium Chloride ER. Ask your pharmacist or insurance company to help you compare your insurance copay to your SingleCare discount. Your Potassium Chloride ER price with SingleCare often could be lower.
Most Medicare Part D and Medicare Advantage prescription drug insurance plans cover generic Potassium Chloride ER. For others, our free Potassium Chloride ER coupon reduces the cost of Potassium Chloride ER to $11.45 for 30, 20meq tablet extended releases of generic Potassium Chloride ER.
Potassium Chloride ER is a generic extended-release prescription drug manufactured by Upsher-Smith, Sandoz, Amneal, Mylan, and many other generic manufacturers. The brand-name extended-release alternatives are K-Dur and Slow K. Search the SingleCare website or app for any of these drugs for more information and savings coupons. A SingleCare prescription discount card will save you on Potassium Chloride ER and its brand-name versions at local pharmacies near you.
Potassium Chloride ER is an extended-release prescription medication used to treat low levels of potassium. Potassium is a critical part of every cell's growth and functioning, as well as a key component in transmitting nerve signals, so low potassium is a serious and potentially life-threatening condition.
Potassium Chloride ER is taken as a tablet. Because of potential damage to the stomach and intestines, Potassium Chloride ER is only used when a patient cannot take liquid or effervescent (fizzy) potassium, which have fewer gastrointestinal side effects.
The most common side effects of Potassium Chloride ER include but are not limited to, stomach upset, stomach pain, nausea, vomiting, gas, and diarrhea. The most serious side effects are high blood potassium, stomach ulcers, and intestinal bleeding. Allergic reactions to Potassium Chloride ER are rare and may include swelling, rash, or trouble breathing.
This is not a complete list of side effects that may occur. Consult with your doctor or pharmacist about possible side effects before taking this medicine.
Paying for a Potassium Chloride ER prescription can be difficult, especially without insurance. Fortunately, there are several ways to save on Potassium Chloride ER. There are patient assistance programs available for certain medications. The cost of Potassium Chloride ER may also vary depending on the pharmacy it is purchased from. A SingleCare coupon can also help lower the price of Potassium Chloride ER. SingleCare also has a free loyalty program where you can earn bonus savings each time you fill a prescription.
Ashley Wong, Pharm.D., has worked for healthcare companies where she translated complex drug information into easy-to-understand language for patients. She also served as a Senior Medical Information Specialist at a medical communications company, where she delivered clinically accurate drug information to healthcare providers and patients and compiled adverse event reports in accordance with the FDA's reporting guidelines.
...SingleCare is accepted at most national pharmacies and grocers, including the following:
Health education, drug info, wellness & more
Prescription savings vary by prescription and by pharmacy, and may reach up to 80% off cash price. This is a medical discount plan. This is NOT insurance. This program offers you the opportunity to locate providers of various types of medical services who will offer their services to you at discounted rates. The range of discounts for medical or ancillary services provided under the plan will vary depending on the type of provider and service received. You are fully responsible for paying for all health care services but will be entitled to receive a discount from those health care providers in accordance with the specific pre-negotiated discounted fee schedule. This program does not guarantee the quality of the services or procedures offered by the providers. Except for prescription drugs which you will pay directly to the pharmacy at the time of purchase, all other services received through a program provider will be charged to the credit card on file in your member account. The charge will include an administrative fee for use of the program. Towers Administrators LLC is the licensed discount medical plan organization with its administrative office located at 4510 Cox Road, Suite 111, Glen Allen, VA 23060. SingleCare Services, LLC is the marketer of the discount medical plan organization including its website, singlecare.com, with its corporate office located at 99 High Street, Suite 2800, Boston, MA 02110. For additional information, including an up-to-date list of providers, or assistance with any issue related to program membership, please contact member support any time at www.singlecare.com, or by calling toll-free 844-234-3057, 24 hours, 7 days a week (except major holidays). Pharmacy names, logos, brands, and other trademarks are the property of their respective owners.
Blog articles are not medical advice. They are intended for general informational purposes and are not meant to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. If you think you may have a medical emergency, immediately call your physician or dial 911.
© 2025 SingleCare Administrators. All rights reserved
© 2025 SingleCare Administrators. All rights reserved