Potassium Chloride
Potassium chloride is a potassium supplement used to treat and prevent low potassium levels (hypokalemia) in the blood, available in multiple oral and intravenous forms.
🧬 Where this information comes from Click to expand
The clinical label records used on this page are FDA-filed Structured Product Labeling (SPL) retrieved through openFDA. We identified 226 clinical label sets within the page’s selected clinical scope after exact ingredient or ingredient-combination matching and applicable route/form matching. Forms, routes, brands, labelers, strengths, and NDC product-record counts are built separately from matching FDA National Drug Code Directory records. The linked DailyMed document is a representative official source for verification, not the page’s only clinical source. View the linked label on DailyMed →
📖 Potassium Chloride: Patient Information Guide
A plain-language walkthrough of Potassium Chloride — what it treats, how it works, how it’s taken, side effects, warnings and interactions. Tap any section to expand it.
🎯What it's used for▾
Potassium chloride is used to treat and prevent hypokalemia (low potassium levels in the blood) across multiple forms and products.
- Treatment of hypokalemia with or without metabolic alkalosis — supported by all oral and IV forms
- Prevention of hypokalemia in high-risk patients, such as those taking digitalis or with significant heart arrhythmias — oral forms
- Hypokalemia associated with digitalis toxicity — oral extended-release tablets, capsules
- Hypokalemic familial periodic paralysis (a rare inherited muscle disorder) — oral extended-release tablets and capsules
- Klor-Con (oral solution and extended-release tablet) is indicated when dietary management or diuretic dose reduction alone is not enough to maintain potassium levels
- Pokonza (oral solution and powder for solution) is indicated for treatment and prevention of hypokalemia when dietary management or diuretic dose reduction is insufficient
- Potassium Chloride Injection is indicated for potassium deficiency when oral treatment is not feasible, particularly in fluid-restricted patients
- Oral solid forms (tablets, capsules) are reserved for patients who cannot tolerate liquid or effervescent potassium, or who have compliance problems with those forms
⚙️How it works▾
Potassium is the body's primary mineral inside cells, and it plays a critical role in nerve signal transmission, muscle contraction (including the heart muscle), and normal kidney function. When potassium levels fall too low — from diuretics, vomiting, diarrhea, hormonal conditions, or poor intake — the body's electrical systems are disrupted, leading to weakness, abnormal heart rhythms, and other problems. Potassium chloride directly replenishes potassium, restoring the balance between the inside and outside of cells and allowing nerves and muscles to function normally again.
💊How it's taken▾
Potassium chloride comes in several forms taken by mouth (tablets, capsules, liquids, powders) and as an IV injection given in a hospital or clinical setting. For oral forms, it is generally taken with meals — not on an empty stomach — to minimize stomach irritation, and liquids or powders must be diluted in water before drinking. The IV form is administered slowly through a vein with careful monitoring by healthcare professionals.
- Oral solid forms: taken with food and plenty of fluid, typically in divided doses throughout the day
- Oral liquids and powders: always dilute before drinking; take with or after a meal
- IV injection: given only in a medical setting, slowly, with continuous heart monitoring
Always take exactly as prescribed. Do not adjust your dose without talking to your prescriber. Your doctor will check your blood potassium levels regularly to guide any adjustments.
🤒Side effects — in detail▾
The most common side effects of potassium chloride — especially with oral forms — involve the digestive system.
- Nausea or vomiting
- Stomach pain or cramping
- Diarrhea
- Gas or bloating
- Irritation, pain, redness, or swelling at an IV infusion site
- Burning sensation at the infusion site
- Rash or allergic reaction (less common)
Seek medical help right away if you experience severe stomach pain, vomiting, signs of GI bleeding, chest pain, irregular heartbeat, muscle weakness or paralysis, or any sudden swelling or skin changes near an IV site — these can be signs of serious complications.
⚠️Warnings & precautions▾
- GI ulceration risk (oral solid forms): Extended-release tablets and capsules can cause ulcers or narrowing in the stomach or intestines, especially if they stay in contact with the lining too long. Always take with food and plenty of fluid. Stop and call your doctor if you have severe pain, vomiting, bloating, or any bleeding.
- Cardiac risks with IV use: Giving potassium IV too fast or in too high a concentration can trigger life-threatening heart rhythm problems, including complete heart block or cardiac arrest. IV potassium must always be given slowly with a controlled infusion pump and continuous heart monitoring.
- Tissue damage from IV extravasation: If the IV solution leaks outside the vein, it can cause severe tissue, nerve, tendon, and blood vessel damage — sometimes requiring surgery. Report any pain, swelling, or skin changes at the IV site immediately.
- Hyperkalemia (too much potassium): Too much potassium — especially in patients with kidney problems — can be as dangerous as too little. Symptoms may be absent until potassium reaches very high levels, when fatal arrhythmias can occur.
- Hyponatremia (low sodium) with IV use: IV potassium chloride can lower sodium levels, which may lead to brain swelling, seizures, or coma — particularly in children, elderly patients, and postoperative patients.
🔀What it interacts with▾
Potassium chloride can interact with several common medications, making potassium levels either too high or difficult to manage.
- Triamterene and amiloride — potassium-sparing diuretics that, combined with potassium chloride, can cause severe, potentially fatal high potassium levels; this combination should be avoided
- Spironolactone and eplerenone — also raise potassium by blocking aldosterone; close monitoring is required
- ACE inhibitors (e.g., lisinopril, enalapril) and ARBs (e.g., losartan, valsartan) — reduce potassium excretion; taking these with potassium chloride raises the risk of hyperkalemia
- NSAIDs (e.g., ibuprofen, naproxen) — can also reduce potassium excretion by the kidneys; potassium levels should be monitored closely
- Digitalis (digoxin) — potassium levels directly affect how safely and effectively digitalis works; both too-low and rapid shifts in potassium can be dangerous in patients on this medication
- Aliskiren — a renin inhibitor that raises potassium; monitor levels carefully if used together
This is not a complete list of interactions. Always talk with your doctor or pharmacist before starting, stopping, or changing any medication.
📋Before taking it▾
- Already have high potassium (hyperkalemia): Do not take potassium chloride — it is contraindicated and could cause cardiac arrest
- Kidney disease: Impaired kidneys cannot clear potassium properly; risk of dangerous high potassium is significantly increased — start at the lowest dose and monitor frequently
- Cirrhosis (liver scarring): Potassium levels can rise much higher than expected; start low and monitor closely
- Conditions that slow digestion (e.g., diabetic gastroparesis, use of anticholinergic drugs): Solid oral forms (tablets, capsules) are contraindicated — the pill may sit too long against the gut lining and cause ulceration
- Esophageal compression (enlarged left atrium pressing on the esophagus): Controlled-release solid forms have caused esophageal ulcers in these patients; liquid forms are preferred
- Older adults: More likely to have reduced kidney function; use with extra caution and monitor kidney function and potassium levels regularly
- Pregnancy: Potassium supplementation that keeps levels within the normal range is not expected to harm the baby, but discuss with your doctor
- Breastfeeding: Normal supplementation is unlikely to significantly raise potassium in breast milk
- Children: Safety and effectiveness of extended-release oral tablets and capsules in children have not been established
🚑If you take too much▾
Taking too much potassium chloride can cause hyperkalemia (dangerously high blood potassium), which may show no symptoms at first but can lead to abnormal heart rhythms and, at very high levels, muscle paralysis and cardiac arrest. If overdose is suspected, get emergency help immediately. Extended-release forms may delay the appearance of symptoms because the drug is absorbed slowly over time.
📡Pharmacodynamics — effects in the body▾
Potassium is the body's principal mineral inside cells, with normal blood levels tightly maintained between 3.5 and 5 mEq per liter. It is essential for maintaining the electrical gradients that drive nerve impulses, heart contractions, and skeletal muscle function. When blood potassium falls too low, abnormal heart rhythms, muscle weakness, and — in severe cases — paralysis can occur. Restoring potassium levels corrects these disturbances and normalizes muscle and nerve activity.
🔬Pharmacokinetics — how your body processes it▾
Under normal conditions, the body absorbs potassium from the digestive tract in an amount roughly equal to what the kidneys excrete in urine, keeping levels stable. Potassium depletion develops when losses — from diuretics, diarrhea, vomiting, or other causes — outpace intake. Because potassium is primarily excreted by the kidneys, patients with kidney impairment clear it much more slowly, substantially raising the risk of potassium accumulation to toxic levels.
📦How to store it▾
Store at 20° to 25°C (68° to 77°F) .
📄 Written from Potassium Chloride’s FDA-approved label information, summarized in plain language with AI, and reviewed by our pharmacy team before publication. Every point is grounded in that labeling — nothing is invented. How we use AI →
🩺 Pharmacist Counseling Corner
Quick, plain-English answers to the questions patients ask most about Potassium Chloride — the kind of thing our pharmacy team would talk through with you at the counter.
Why did my doctor prescribe potassium chloride? I thought potassium just came from bananas. ▾
Do I have to take it with food? What happens if I forget? ▾
What side effects should I expect, and what's a sign I need to call the doctor? ▾
Are there any medications I should tell my doctor about before starting this? ▾
I have kidney disease — is this medication safe for me? ▾
My prescription is for a different brand than what the pharmacy gave me — is that okay? ▾
Is Potassium Chloride available over the counter? ▾
When was Potassium Chloride first available? ▾
Who makes Potassium Chloride? ▾
💬 Answers drafted from Potassium Chloride’s FDA-approved label information, summarized in plain language with AI, and reviewed by our pharmacy team before publication. Grounded in that labeling — nothing is made up. How we use AI →
🧰 Keep exploring
💊 How Potassium Chloride comes
Potassium Chloride is available in 10 forms. Different forms and brands can have different approved uses, doses, schedules, and directions. Follow the instructions for your exact product, and do not switch forms without guidance from your prescriber or pharmacist.
Extended-release tablet
How this form is used
- Treats hypokalemia (low potassium) with or without metabolic alkalosis
- Prevents hypokalemia in high-risk patients such as those on digitalis or with significant heart rhythm problems
- Klor-Con is indicated for treatment and prevention of hypokalemia when dietary changes or diuretic dose reduction are not enough
- Reserved for patients who cannot tolerate or comply with liquid or effervescent potassium preparations
- Take with meals or right after eating — never on an empty stomach
- Take with a full glass of water or other liquid
- If you have trouble swallowing, ask your prescriber about alternative forms
- Do not crush or chew extended-release tablets unless your prescriber specifically instructs otherwise
Show 1 more strength Show fewer strengths
Oral solution
How this form is used
- Pokonza is indicated for treatment and prevention of hypokalemia with or without metabolic alkalosis when dietary management or diuretic dose reduction is not enough
- Potassium Chloride oral solution treats and prevents hypokalemia when dietary measures are insufficient
- Pokonza must be diluted in water or another beverage before drinking — do not take undiluted
- Take with or after a meal to reduce stomach upset
- Your prescriber will tell you how many times per day to take it based on your potassium levels
- Monitor serum potassium as directed by your prescriber
Show 7 more strengths Show fewer strengths
Extended-release capsule
How this form is used
- Treats hypokalemia with or without metabolic alkalosis
- Prevents hypokalemia in patients at particular risk, including those with cardiac arrhythmias or on digitalis
- Reserved for patients who cannot tolerate or comply with liquid or effervescent potassium
- Take with meals or right after eating to reduce stomach irritation
- Klor-Con Sprinkle capsules may be opened and the contents sprinkled on food — follow your prescriber's instructions
- Take with adequate fluid
Injection
How this form is used
- Potassium Chloride Injection treats potassium deficiency when oral replacement is not possible
- Specifically intended for fluid-restricted patients who need potassium but cannot tolerate the larger fluid volumes of less concentrated solutions
- Must be given slowly through a vein using a calibrated infusion device — never by rapid injection
- Requires continuous heart monitoring and frequent blood potassium and acid-base testing during administration
- Highest-concentration solutions must be given through a central intravenous line only
- Administered only in a medical setting by trained healthcare professionals
Show 10 more strengths Show fewer strengths
Tablet
Other oral form
Show 5 more strengths Show fewer strengths
Capsule
How this form is used
- Treats hypokalemia with or without metabolic alkalosis, including in digitalis toxicity and hypokalemic familial periodic paralysis
- Prevents hypokalemia in high-risk patients including those with cardiac arrhythmias, cirrhosis with ascites, or potassium-losing kidney conditions
- Reserved for patients who cannot tolerate or comply with liquid or effervescent potassium
- Take with meals or right after eating
- Take with plenty of fluid
- Do not use if you have any condition that delays or blocks movement through the digestive tract
Sublingual tablet
Topical cream, ointment or gel
Oral powder
📊 Potassium Chloride across the U.S. market
How Potassium Chloride appears in the FDA’s National Drug Code Directory — including its dosage forms, strengths, brand names, manufacturers, and FDA-listed product records. These are directory records, not sales or prescription volume.
FDA-listed product records by dose form (tablet variants merged) — FDA National Drug Code Directory. Record counts are not sales or prescription volume.
Also listed with the FDA, not a patient dose form: Powder (19) · Crystal (2) — bulk drug substance sold to compounders/manufacturers and multi-item kits. These aren’t counted in the dose-form total above.
Share of FDA-listed product records by manufacturer — FDA National Drug Code Directory. Record counts are not sales or prescription volume.
📈 How widely Potassium Chloride is used
A general measure of how commonly Potassium Chloride is prescribed, based on Medicaid — one of the largest public drug programs. The figure below is prescriptions filled in Q1–Q4 2025, summed across every form and brand of the drug.
Think of this as a proxy for how widely Potassium Chloride is used, drawn from freely available public data. Medicaid is just one program — these numbers don’t include Medicare, other government coverage, or commercial and cash-pay prescriptions, so real-world use is higher than what’s shown here.
How commonly is Potassium Chloride prescribed? Of the 1,596 medications we measure, Potassium Chloride ranks #119 by Medicaid prescriptions — more than 93% of them.
Utilization by Potassium Chloride product
Pick a product to see its own Medicaid numbers. Each chip is one clinical product — a specific strength & dosage form as defined by RxNorm — with brand-name and generic versions combined.
Microencapsulated potassium chloride 20 MEQ Extended Release Oral Tablet Most dispensed
Summed across the 27 of 211 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1801294
potassium chloride 10 MEQ Extended Release Oral Tablet
Summed across the 34 of 218 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 628953
potassium chloride 20 MEQ Extended Release Oral Tablet
Summed across the 4 of 16 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 198116
potassium chloride 10 MEQ Extended Release Oral Capsule
Summed across the 19 of 68 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 312504
Microencapsulated potassium chloride 10 MEQ Extended Release Oral Tablet
Summed across the 22 of 121 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1801298
potassium chloride 1.33 MEQ/ML Oral Solution
Summed across the 12 of 142 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 312515
potassium chloride 8 MEQ Extended Release Oral Tablet
Summed across the 12 of 59 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 312529
potassium chloride 2 MEQ/ML Injectable Solution
Summed across the 2 of 5 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 204520
potassium chloride 20 MEQ Powder for Oral Solution
Summed across the 17 of 75 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1867544
100 ML potassium chloride 0.1 MEQ/ML Injection
Summed across the 4 of 6 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 312507
100 ML potassium chloride 0.2 MEQ/ML Injection
Summed across the 4 of 6 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1860239
potassium chloride 8 MEQ Extended Release Oral Capsule
Summed across the 5 of 27 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 315183
20 ML potassium chloride 2 MEQ/ML Injection
Summed across the 2 of 8 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1860139
10 ML potassium chloride 2 MEQ/ML Injection
Summed across the 2 of 9 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1860136
potassium chloride 2.67 MEQ/ML Oral Solution
Summed across the 5 of 42 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 314182
5 ML potassium chloride 2 MEQ/ML Injection
Summed across the 2 of 5 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1860132
potassium chloride 10 MEQ Powder for Oral Solution
Summed across the 2 of 4 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 2665269
Microencapsulated potassium chloride 15 MEQ Extended Release Oral Tablet
Summed across the 2 of 14 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 403888
50 ML potassium chloride 0.2 MEQ/ML Injection
Summed across the 2 of 6 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1860241
100 ML potassium chloride 0.4 MEQ/ML Injection
Summed across the 2 of 6 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1860463
50 ML potassium chloride 0.4 MEQ/ML Injection
Summed across the 2 of 6 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1860466
potassium chloride 15 MEQ Extended Release Oral Tablet
Summed across the 1 of 2 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 2693253
Shares are of the Medicaid prescriptions shown here. Product grouping follows RxNorm (the National Library of Medicine’s drug terminology), so “one product” means one strength & dosage form regardless of manufacturer. Dollar figures are gross Medicaid reimbursement before mandatory rebates — rebates (often large, especially for brand-name drugs) are confidential, so actual net cost to Medicaid is lower than shown.
Source: Medicaid State Drug Utilization Data (CMS), aggregated by generic ingredient — summed across every NDC (all brands, strengths, salt forms and dosage forms) of Potassium Chloride, and across all states and both fee-for-service and managed-care claims. A general popularity signal; it excludes Medicare, commercial insurance and cash prescriptions, so it is not total U.S. use. Based on the 184 of 1,056 listed Potassium Chloride NDCs with Medicaid activity.
🔍 Compare Potassium Chloride products
A representative set of FDA-listed product records for Potassium Chloride — across manufacturers, strengths, and dosage forms, grouped by form with each product’s manufacturer and how the FDA approved it. The same medicine may be made and packaged by different companies, so a single drug can have many directory entries. (It’s also why a refill can look different — a new shape, color, or box — even though it contains the same medication.)
| Strength | Route | Manufacturer / Labeler | Category ⓘ | Details |
|---|---|---|---|---|
| 💊Capsule | ||||
| 600 mg | Oral | Adare Pharmaceuticals Inc × 2 listings | ANDA | View NDC → |
| 600 mg | — | Adare Pharmaceuticals Inc | DRUG FOR FURTHER PROCESSING | View NDC → |
| 750 mg | — | Adare Pharmaceuticals Inc | DRUG FOR FURTHER PROCESSING | View NDC → |
| 750 mg | Oral | Adare Pharmaceuticals Inc × 2 listings | ANDA | View NDC → |
| 💊Extended-release capsule | ||||
| 750 mg | Oral | A-S Medication Solutions × 2 listings | ANDA | View NDC → |
| 10 mEq | Oral | A-S Medication Solutions × 2 listings | ANDA | View NDC → |
| 600 mg | Oral | Actavis Pharma, Inc. × 2 listings | ANDA | View NDC → |
| 750 mg | Oral | Actavis Pharma, Inc. × 2 listings | ANDA | View NDC → |
| 750 mg | Oral | American Health Packaging × 3 listings | ANDA | View NDC → |
| 750 mg | Oral | Amneal Pharmaceuticals of New York LLC × 4 listings | ANDA | View NDC → |
| 750 mg | Oral | AvKARE × 2 listings | ANDA | View NDC → |
| 750 mg | Oral | AvPAK × 3 listings | ANDA | View NDC → |
| 750 mg | Oral | BluePoint Laboratories × 2 listings | ANDA | View NDC → |
| 600 mg | Oral | Bryant Ranch Prepack × 6 listings | ANDA | View NDC → |
| 750 mg | Oral | Bryant Ranch Prepack × 6 listings | ANDA | View NDC → |
| 10 mEq | Oral | Cardinal Health | ANDA | View NDC → |
| 10 mEq | Oral | Cardinal Health 107, LLC | ANDA | View NDC → |
| 750 mg | Oral | Glenmark Pharmaceuticals Inc., USA × 2 listings | ANDA | View NDC → |
| 600 mg | Oral | Granules India Ltd × 2 listings | ANDA | View NDC → |
| 750 mg | Oral | Granules India Ltd × 2 listings | ANDA | View NDC → |
| 600 mg | Oral | Granules Pharmaceuticals Inc × 3 listings | ANDA | View NDC → |
| 750 mg | Oral | Granules Pharmaceuticals Inc × 3 listings | ANDA | View NDC → |
| 8 mEq | Oral | Lupin Pharmaceuticals, Inc. × 2 listings | ANDA | View NDC → |
| 10 mEq | Oral | Lupin Pharmaceuticals, Inc. × 2 listings | ANDA | View NDC → |
| 750 mg | Oral | Major Pharmaceuticals × 3 listings | ANDA | View NDC → |
| 10 mEq | Oral | Major Pharmaceuticals | ANDA | View NDC → |
| 750 mg | Oral | NCS HealthCare of KY, LLC dba Vangard Labs × 3 listings | ANDA | View NDC → |
| 10 mEq | Oral | NCS HealthCare of KY, LLC dba Vangard Labs | ANDA | View NDC → |
| 750 mg | Oral | Northstar Rx LLC × 2 listings | ANDA | View NDC → |
| 8 mEq | Oral | Novel Laboratories, Inc. | ANDA | View NDC → |
| 10 mEq | Oral | Novel Laboratories, Inc. | ANDA | View NDC → |
| 750 mg | Oral | NuCare Pharmaceuticals, Inc. | ANDA | Find on DailyMed ↗ |
| 8 mEq | Oral | NuCare Pharmaceuticals,Inc. | ANDA | Find on DailyMed ↗ |
| 750 mg | Oral | Padagis US LLC | ANDA | View NDC → |
| 600 mg | Oral | PD-Rx Pharmaceuticals, Inc. × 3 listings | ANDA | View NDC → |
| 750 mg | Oral | PD-Rx Pharmaceuticals, Inc. × 6 listings | ANDA | View NDC → |
| 10 mEq | Oral | RedPharm Drug, Inc. | ANDA | View NDC → |
| 750 mg | Oral | Remedyrepack Inc. × 5 listings | ANDA | View NDC → |
| 10 mEq | Oral | Remedyrepack Inc. × 2 listings | ANDA | View NDC → |
| 600 mg | Oral | Solco Healthcare LLC × 2 listings | ANDA | View NDC → |
| 750 mg | Oral | Solco Healthcare LLC × 2 listings | ANDA | View NDC → |
| 600 mg | Oral | Sun Pharmaceutical Industries, Inc. × 2 listings | ANDA | View NDC → |
| 750 mg | Oral | Sun Pharmaceutical Industries, Inc. × 2 listings | ANDA | View NDC → |
| 600 mg | Oral | Upsher-Smith Laboratories, LLC | ANDA | View NDC → |
| 750 mg | Oral | Upsher-Smith Laboratories, LLC | ANDA | View NDC → |
| 600 mg | Oral | Zydus Pharmaceuticals (USA) Inc. | ANDA | View NDC → |
| 750 mg | Oral | Zydus Pharmaceuticals (USA) Inc. | ANDA | View NDC → |
| 💊Injection | ||||
| 14.9 g/100 mL | Parenteral | B. Braun Medical Inc. × 3 listings | ANDA | View NDC → |
| 7.46 g/1000 mL | Intravenous | Baxter Healthcare Corporation × 3 listings | NDA | View NDC → |
| 14.9 g/1000 mL | Intravenous | Baxter Healthcare Corporation × 3 listings | NDA | View NDC → |
| 29.8 g/1000 mL | Intravenous | Baxter Healthcare Corporation × 3 listings | NDA | View NDC → |
| 2 mEq/mL | Intravenous | Fresenius Kabi USA, LLC × 4 listings | ANDA | View NDC → |
| 10 mEq/50 mL | Intravenous | Fresenius Kabi USA, LLC × 3 listings | ANDA | View NDC → |
| 10 mEq/100 mL | Intravenous | Fresenius Kabi USA, LLC × 3 listings | ANDA | View NDC → |
| 20 mEq/50 mL | Intravenous | Fresenius Kabi USA, LLC × 3 listings | ANDA | View NDC → |
| 20 mEq/100 mL | Intravenous | Fresenius Kabi USA, LLC × 3 listings | ANDA | View NDC → |
| 40 mEq/100 mL | Intravenous | Fresenius Kabi USA, LLC × 3 listings | ANDA | View NDC → |
| 2 mEq/mL | Intravenous | General Injectables & Vaccines, Inc | ANDA | View NDC → |
| 2 mEq/mL | Intravenous | General Injectables & Vaccines, Inc. | ANDA | View NDC → |
| 149 mg/mL | Intravenous | General Injectables and Vaccines, Inc. | ANDA | View NDC → |
| 149 mg/mL | Intravenous | Henry Schein, Inc. × 3 listings | ANDA | View NDC → |
| 2 mEq/mL | Intravenous | Henry Schein, Inc. × 3 listings | ANDA | View NDC → |
| 149 mg/mL | Intravenous | HF Acquisition Co LLC, DBA HealthFirst × 4 listings | ANDA | View NDC → |
| 149 mg/mL | Intravenous | Hospira, Inc. × 9 listings | ANDA | View NDC → |
| 10 mEq/100 mL | Intravenous | ICU Medical Inc. × 4 listings | NDA | View NDC → |
| 200 mEq/1000 mL | Intravenous | ICU Medical Inc. × 4 listings | NDA | View NDC → |
| 400 mEq/1000 mL | Intravenous | ICU Medical Inc. × 4 listings | NDA | View NDC → |
| 7.45 mg/mL | Intravenous | Nexus Pharamaceuticals Inc. × 2 listings | ANDA | View NDC → |
| 14.9 mg/mL | Intravenous | Nexus Pharamaceuticals Inc. × 2 listings | ANDA | View NDC → |
| 29.8 mg/mL | Intravenous | Nexus Pharamaceuticals Inc. × 4 listings | ANDA | View NDC → |
| 💊Oral powder | ||||
| 30 [kp_C] | Oral | Seroyal USA | UNAPPROVED HOMEOPATHIC | View NDC → |
| 💊Oral solution | ||||
| 1.5 g/1.58 g | Oral | Amneal Pharmaceuticals LLC | ANDA | View NDC → |
| 1.5 g/1.58 g | Oral | Amneal Pharmaceuticals NY LLC × 3 listings | ANDA | View NDC → |
| 1.5 g/1.56 g | Oral | ANI Pharmaceuticals, Inc. | ANDA | View NDC → |
| 10 mEq/15 mL | Oral | Carwin Pharmaceutical Associates, LLC | NDA | View NDC → |
| 1.5 g/1.58 g | Oral | Granules Pharmaceuticals Inc. × 2 listings | ANDA | View NDC → |
| 3 g/3.16 g | Oral | IPG Pharmaceuticals, Inc. | NDA | View NDC → |
| 1.5 g/1.54 g | Oral | Lupin Pharmaceuticals,Inc. × 2 listings | ANDA | View NDC → |
| 1.5 g/1.54 g | Oral | Novel Laboratories, Inc. | ANDA | View NDC → |
| 1.5 g/1.58 g | Oral | Somerset Therapeutics, LLC | ANDA | View NDC → |
| 💊Other oral form | ||||
| 6 [hp_C]/6 [hp_C] | Oral | Boiron | UNAPPROVED HOMEOPATHIC | View NDC → |
| 6 [hp_X] | Oral | Boiron | UNAPPROVED HOMEOPATHIC | View NDC → |
| 9 [hp_C]/9 [hp_C] | Oral | Boiron | UNAPPROVED HOMEOPATHIC | View NDC → |
| 12 [hp_C]/12 [hp_C] | Oral | Boiron | UNAPPROVED HOMEOPATHIC | View NDC → |
| 💊Topical cream, ointment or gel | ||||
| 0.05 [hp_X]/mL | Topical | DelCorean, LLC × 3 listings | UNAPPROVED HOMEOPATHIC | View NDC → |
| 💊Bulk drug substance | ||||
| 100 mg | — | Coating Place, LLC | DRUG FOR FURTHER PROCESSING | View NDC → |
| 1 kg/kg | — | Macco Organiques, S.r.o. | BULK INGREDIENT | View NDC → |
| 1 kg/kg | — | Morton Salt, Inc. | BULK INGREDIENT | View NDC → |
| 1 kg/kg | — | Willow Birch Pharma, LLC | BULK INGREDIENT FOR HUMAN PRESCRIPTION COMPOUNDING | View NDC → |
Showing 200 of 817 products — FDA National Drug Code Directory. See every product, package size and price: browse all 817 Potassium Chloride NDCs →
📈 What people report — real-world data (FDA FAERS)
After a medicine reaches the market, patients, doctors and drugmakers can send the FDA reports of problems they think may be linked to it. Here’s what’s been reported for Potassium Chloride — a signal of what to watch for, not proof the drug caused it.
Source: openFDA, from the FDA Adverse Event Reporting System (FAERS). These are voluntary reports — they don’t prove the drug caused the effect, and counts reflect how often something was reported, not how often it actually happens. Reports also often name the very problem the medicine is taken for — a common reason to file one is that the drug didn’t help — so for a pain reliever you may see “pain” high on the list; that points to why the report was filed, not to the drug causing the symptom. This counts every report that lists Potassium Chloride in any role, so the total runs higher than the FDA’s official dashboard, which counts only cases where the drug is the suspect. For the authoritative figures, see the FDA FAERS Public Dashboard. Always talk to your pharmacist or doctor.
🏛️ The road to your pharmacy
How Potassium Chloride went from FDA review to the pharmacy shelf — the key milestones in its regulatory journey.
Source: Drugs@FDA.
🚨 Recall history
A recall is when a specific batch of a medicine is pulled from the market — usually a manufacturing issue, not a problem with the drug itself. Class I is most serious, Class III least.
Source: openFDA drug enforcement (recall) reports.
RxNorm Concept Web — From Ingredient to Every Form and Strength
This page starts with one ingredient concept (IN). The branches below show its dose-form concepts (SCDF), then the available clinical drug and strength concepts (SCD). Combination products remain separate concepts with their own pages.
RxCUI 8591 9 dose forms · 36 strengths
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Dose form (SCDF) Effervescent Oral Tablet RxCUI 1536433In current FDA listingsClinical drug / strength (SCD) 25 MEQRxCUI 1536434500 MGRxCUI 1536449 -
Dose form (SCDF) Extended Release Oral Capsule RxCUI 373520In current FDA listings -
Dose form (SCDF) Extended Release Oral Tablet RxCUI 373524In current FDA listingsClinical drug / strength (SCD) Microencapsulated potassium chloride 10 MEQRxCUI 1801298Microencapsulated potassium chloride 15 MEQRxCUI 403888Microencapsulated potassium chloride 20 MEQRxCUI 18012948 MEQRxCUI 31252910 MEQRxCUI 62895315 MEQRxCUI 269325320 MEQRxCUI 198116 -
Dose form (SCDF) Injectable Solution RxCUI 152997In current FDA listings -
Dose form (SCDF) Injection RxCUI 1860131In current FDA listingsClinical drug / strength (SCD) 5 ML potassium chloride 2 MEQ/MLRxCUI 186013210 ML potassium chloride 2 MEQ/MLRxCUI 186013620 ML potassium chloride 2 MEQ/MLRxCUI 186013950 ML potassium chloride 0.2 MEQ/MLRxCUI 186024150 ML potassium chloride 0.4 MEQ/MLRxCUI 1860466100 ML potassium chloride 0.1 MEQ/MLRxCUI 312507100 ML potassium chloride 0.2 MEQ/MLRxCUI 1860239100 ML potassium chloride 0.4 MEQ/MLRxCUI 1860463 -
Dose form (SCDF) Oral Capsule RxCUI 378266In current FDA listingsClinical drug / strength (SCD) 10 MEQRxCUI 904268 -
Dose form (SCDF) Oral Solution RxCUI 373522In current FDA listingsClinical drug / strength (SCD) 0.667 MEQ/MLRxCUI 27340001.33 MEQ/MLRxCUI 3125152.67 MEQ/MLRxCUI 314182 -
Dose form (SCDF) Oral Tablet RxCUI 373523In current FDA listingsClinical drug / strength (SCD) 1.33 MEQRxCUI 13021952.42 MEQRxCUI 9042388 MEQRxCUI 31416310 MEQRxCUI 31250520 MEQRxCUI 34305025 MEQRxCUI 312517 -
Dose form (SCDF) Powder for Oral Solution RxCUI 1867543In current FDA listings
Look up RxCUI 8591 in the RxCUI Atlas →
RxNorm is the U.S. National Library of Medicine’s normalized drug vocabulary. Its concept hierarchy can include forms that are not currently marketed; the status on each branch compares that concept with current FDA listings. RxCUIs identify vocabulary concepts, not individual packages or manufacturers.
📦 Supply & shortage status
Whether Potassium Chloride is in short supply in the U.S. right now, plus any shortage history the FDA has on record. A shortage usually reflects a manufacturing or demand issue — not a safety problem with the drug.
Source: openFDA, from the FDA Drug Shortages database.
🏷️ Sold under these brand names
🏭 Manufacturers & labelers
…and 16 more on the FDA NDC directory.
RxNorm drug class
Potassium Chloride belongs to the Potassium class.
Classified by RxNorm RxClass — the U.S. National Library of Medicine's standardized drug-classification service (Established Pharmacologic Class from the FDA, the ATC drug family from the WHO, and mechanism of action). Reference only, not medical advice.
🔬 Where this comes from
Core label, product, RxNorm, safety, and utilization data on this page come from the sources identified below. AI-written, editorial, and licensed sections are labeled separately.
How we combine label and product data
HelloPharmacist combines public FDA and NLM records; we don’t author the underlying clinical facts. We identified 226 FDA-filed SPL label sets within the page’s selected clinical scope after exact ingredient or ingredient-combination matching and applicable route/form matching. The representative label is the starting point for the displayed reference monograph; the 12 largest stored in-scope SPL records, which may include that representative, are compared section by section, and the longest available version of each section is retained. Forms, routes, brands, labelers, product-listed strengths, and product-record counts are aggregated separately from ingredient-matched FDA NDC Directory records; package records listed above are associated with the linked SPL; and the normalized concept hierarchy comes from NLM RxNorm.
For canonical ingredient pages, bounded product-attributed indication and administration excerpts may be added to the AI evidence, and the generator is instructed to preserve available product, brand, route, and form qualifiers instead of treating one label as universal. Where a section is identified as AI-written, its plain-language text is generated from bounded label evidence. New draft drug pages remain in the admin review queue before first publication. Bryant Ranch Prepack is the representative DailyMed label linked for verification and dates; it is not the sole source used for the page.
This is general education, not medical advice — always consult your doctor or pharmacist about your medications and any medical condition. For the exact wording of the linked representative label, view that label on DailyMed; some displayed composite sections may come from other in-scope SPL labels. Learn how we use AI and our data sources & update cadence.