Potassium: here's the fair price
This is what US pharmacies pay, on average, for potassium. Use it to spot a fair cash price, and feel good about asking for one.
Potassium Cl Er 10 Meq Tablet
A fair cash price is usually this cost plus a dispensing fee. If your quote is many times higher, ask about a generic, another pharmacy, or a cash discount.
Ask for generic Potassium Cl Er 10 Meq Tablet. Pharmacies pay about $2.51 for 30. Ask your pharmacy for its cash price and compare it with your copay. A fair cash price is close to this cost plus a dispensing fee.
Source: CMS NADAC as of 2026-11-04. Ask your prescriber or pharmacist whether a generic is right for you.
Source: CMS NADAC weekly file as of 2026-11-04. Median across NDCs with the same description. Public domain.
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Every strength and form
| Product | Pharmacy cost | 30 count | Effective |
|---|---|---|---|
| POTASSIUM CHLORIDE 10% (20 MEQ/15 ML) ORAL LIQUIDGeneric | $0.04 per mL | n/a | 10/21/2026 |
| POTASSIUM CIT-CITRIC ACID SOLNGeneric | $0.05 per mL | n/a | 10/21/2026 |
| POTASSIUM CHLORIDE 20% (40 MEQ/15 ML) ORAL LIQUIDGeneric | $0.06 per mL | n/a | 10/21/2026 |
| POTASSIUM CL ER 10 MEQ TABLETGeneric | $0.08 per tablet or capsule | $2.51 | 10/21/2026 |
| POTASSIUM CL ER 8 MEQ CAPSULEGeneric | $0.10 per tablet or capsule | $3.13 | 10/21/2026 |
| POTASSIUM CL ER 8 MEQ TABLETGeneric | $0.11 per tablet or capsule | $3.41 | 10/21/2026 |
| POTASSIUM CITRATE ER 5 MEQ TABGeneric | $0.11 per tablet or capsule | $3.44 | 10/21/2026 |
| POTASSIUM CL ER 10 MEQ CAPSULEGeneric | $0.14 per tablet or capsule | $4.07 | 10/21/2026 |
| POTASSIUM CL ER 20 MEQ TABLETGeneric | $0.14 per tablet or capsule | $4.31 | 10/21/2026 |
| POTASSIUM CITRATE ER 10 MEQ TBGeneric | $0.17 per tablet or capsule | $5.18 | 10/28/2026 |
| POTASSIUM CITRATE ER 15 MEQ TBGeneric | $0.17 per tablet or capsule | $5.23 | 10/21/2026 |
| POTASSIUM CL 20 MEQ PACKETGeneric | $0.67 per tablet or capsule | $20.16 | 10/21/2026 |
Source: CMS NADAC, as of 2026-11-04. National average acquisition cost, not a retail quote.
Label basics
What it is used for (FDA label)
1 INDICATIONS AND USAGE Potassium Chloride Extended-Release Tablets are indicated for the treatment and prophylaxis of hypokalemia with or without metabolic alkalosis, in patients for whom dietary management with potassium-rich foods or diuretic dose reduction is insufficient. Potassium Chloride Extended-Release Tablets are a potassium salt, indicated for the treatment and prophylaxis of hypokalemia with or without metabolic alkalosis in patients for whom dietary management with potassium-rich foods or diuretic dose reduction is insufficient. (1)
Common side effects (FDA label)
6 ADVERSE REACTIONS The most common adverse reactions are nausea, vomiting, flatulence, abdominal pain/discomfort and diarrhea. (6) To report SUSPECTED ADVERSE REACTIONS, contact Epic Pharma, LLC at 1-888-374-2791 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch The following adverse reactions have been identified with use of oral potassium salts. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. The most common adverse reactions to oral...
Drug interactions (from the label)
7 DRUG INTERACTIONS Triamterene and amiloride: Concomitant use is contraindicated (7.1) Renin-angiotensin-aldosterone inhibitors: Monitor for hyperkalemia (7.2) Nonsteroidal anti-inflammatory drugs: Monitor for hyperkalemia (7.3) 7.1 Triamterene or amiloride Use with triamterene or amiloride can produce severe hyperkalemia. Concomitant use is contraindicated [see Contraindications (4) ]. 7.2 Renin-angiotensin-aldosterone Inhibitors Drugs that inhibit the renin-angiotensin-aldosterone system (RAAS) including angiotensin converting enzyme (ACE) inhibitors, angiotensin receptor blockers (ARBs), spironolactone, eplerenone, or aliskiren produce potassium retention by inhibiting aldosterone...
Warnings (from the label)
5 WARNINGS AND PRECAUTIONS Gastrointestinal Irritation: Take with meals (5.1) 5.1 Gastrointestinal Adverse Reactions Solid oral dosage forms of potassium chloride can produce ulcerative and/or stenotic lesions of the gastrointestinal tract, particularly if the drug maintains contact with the gastrointestinal mucosa for prolonged periods. Consider the use of liquid potassium in patients with dysphagia, swallowing disorders, or severe gastrointestinal motility disorders. If severe vomiting, abdominal pain, distention, or gastrointestinal bleeding occurs, discontinue potassium chloride extended-release tablets and consider possibility of ulceration, obstruction or perforation. Potassium...
Source: FDA drug label via openFDA, label effective 2025-09-23. Full label on DailyMed. Excerpts are verbatim and truncated. Read the full label and ask your pharmacist.