Learn more about effer-k
Effer-K is a prescription supplement used to treat or prevent low potassium. Effer-K is prescribed to patients with low blood potassium or who are at risk of reduced potassium because of illness or taking certain types of drugs. Effer-K usually retails for $32.02, but a SingleCare Effer-K coupon reduces Effer-K's price to $14.52.
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$17.52
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$ 19.36
$31.70
$ 28.70
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$34.02
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$41.22
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$42.27
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$45.84
$ 42.84
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About SingleCare Pricing
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
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About Effer-K
Effer-K is a prescription supplement used to treat or prevent low potassium. Effer-K is prescribed to patients with low blood potassium or who are at risk of reduced potassium because of illness or taking certain types of drugs. Effer-K usually retails for $32.02, but a SingleCare Effer-K coupon reduces Effer-K's price to $14.52.
Learn more about effer-k
Effer-K Price History & Information
Price History for Effer-K
0.3 count, box, 30 tablets effervescentOur 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.
Average 1-Month Prices for Effer-K
0.3 count, box, 30 tablets effervescent| Pharmacy | Effer-K Retail Price | Effer-K SingleCare Price |
|---|---|---|
| CVS Pharmacy | $25.20 | $19.50 |
| Walmart | $64.50 | $22.80 |
| Walgreens | $18.00 | $16.80 |
| Kroger Pharmacy | $14.10 | $14.10 |
| Albertsons Pharmacy | $17.00 | $14.70 |
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.
About Effer-K
Effer-K is a prescription supplement used to treat or prevent low potassium. Effer-K is prescribed to patients with low blood potassium or who are at risk of reduced potassium because of illness or taking certain types of drugs. Effer-K usually retails for $32.02, but a SingleCare Effer-K coupon reduces Effer-K's price to $14.52.
Effer-K FAQs
How much does Effer-K cost without insurance?
The retail price of Effer-K without insurance averages $32.02. You will pay only $14.52 for that same Effer-K prescription using a SingleCare savings card.
How much does Effer-K cost with insurance?
Copay costs of Effer-K will depend on your insurance plan. With a SingleCare discount card, you pay only $14.52 for your Effer-K prescription. Your pharmacist can help you compare your insurance copay to your SingleCare discount.
Does Medicare cover Effer-K and how much does it cost?
Medicare prescription drug insurance plans usually do not cover Effer-K. Medicare patients can use SingleCare's free Effer-K coupon to reduce the cost of Effer-K to $14.52.
Is there a generic of Effer-K?
Effer-K is a brand-name prescription drug with effervescent potassium (potassium bicarbonate). Other brand-name prescription products with potassium bicarbonate include K+Care ET, Klor-Con/EF, and K-Vescent. Other effervescent potassium brands contain potassium chloride. Generic prescription effervescent potassium is sold as “Effervescent Potassium” and “K Effervescent.”
What is Effer-K?
Effer-K is a flavored prescription supplement with effervescent potassium (potassium bicarbonate) and is prescribed to patients who have or who are at risk for low blood 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. Patients at risk for low blood potassium include patients on diuretics for congestive heart failure, patients on long-term corticosteroid treatment, and patients with certain liver or kidney diseases.
Effer-K is taken as an oral solution. One 10 mg or 20 mg tablet is taken one to four times a day dissolved in cold juice. Effer-K should be taken as a meal.
What are the side effects of Effer-K?
The most common side effects of Effer-K include but are not limited to nausea, vomiting, abdominal discomfort, and diarrhea. These side effects are best managed by taking Effer-K after a meal or diluting the solution with more juice. The most serious side effect is high blood potassium. Allergic reactions to Effer-K are rare and may include swelling, rash, or trouble breathing.
Where are Effer-K coupons from SingleCare accepted?
SingleCare is accepted at most national pharmacies and grocers, including the following:
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