Potassium Chloride
/api/v1/drug/potassium-chlorideMechanism of action
Sourced from openFDAThe potassium ion is the principal intracellular cation of most body tissues. Potassium ions participate in a number of essential physiological processes including the maintenance of intracellular tonicity, the transmission of nerve impulses, the contraction of cardiac, skeletal and smooth muscle and the maintenance of normal renal function.
Indications
Sourced from openFDA- 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.ICD-10: E87.6
Contraindications
Sourced from openFDA- Potassium chloride is contraindicated in patients on triamterene and amiloride.contraindicated
Dosage & administration
Sourced from openFDAMonitor serum potassium and adjust dosages accordingly (2.1) If serum potassium is less than 2.5 mEq/L, use intravenous potassium instead of oral supplementation (2.1) Take with meals and with a glass of water or other liquid. Swallow tablets whole without crushing, chewing or sucking. (2.1) Treatment of hypokalemia : Doses range from 40 to 100 mEq/day in divided doses. Limit doses to 40 mEq per dose. (2.2) Prevention of hypokalemia : Typical dose is 20 mEq per day. (2.2) 2.1 Administration and Monitoring If serum potassium concentration is less than 2.5 mEq/L, use intravenous potassium instead of oral supplementation. Monitoring Monitor serum potassium and adjust dosages accordingly. Monitor serum potassium periodically during maintenance therapy to ensure potassium remains in desired range. The treatment of potassium depletion, particularly in the presence of cardiac disease, renal disease, or acidosis, requires careful attention to acid-base balance, volume status, electrolytes, including magnesium, sodium, chloride, phosphate, and calcium, electrocardiograms, and the clinical status of the patient. Correct volume status, acid-base balance, and electrolyte deficits as appropriate. Administration Take potassium chloride extended-release tablets with meals and with a glass of water or other liquid. Do not take potassium chloride extended-release tablets on an empty stomach because of its potential for gastric irritation [see Warnings and Precautions ( 5.1 )] . Swallow tablets whole without crushing, chewing or sucking.
Warnings & precautions
Sourced from openFDAGastrointestinal 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 chloride extended-release tablets should not be taken on an empty stomach because of its potential for gastric irritation [see Dosage and Administration (2.1) ] .
Adverse reactions
Sourced from openFDAThe 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 potassium salts are nausea, vomiting, flatulence, abdominal pain/discomfort, and diarrhea. There have been reports hyperkalemia and of upper and lower gastrointestinal condition including obstruction, bleeding, ulceration, perforation. Skin rash has been reported rarely.
Use in specific populations
Sourced from openFDACirrhosis: Initiate therapy at the low end of the dosing range (8.6) Renal Impairment: Initiate therapy at the low end of the dosing range (8.7) 8.1 Pregnancy Risk Summary There are no human data related to use of potassium chloride extended-release tablets during pregnancy, and animal reproduction studies have not been conducted. Potassium supplementation that does not lead to hyperkalemia is not expected to cause fetal harm. The background risk for major birth defects and miscarriage in the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. 8.2 Lactation Risk Summary The normal potassium ion content of human milk is about 13 mEq per liter. Since oral potassium becomes part of the body potassium pool, so long as body potassium is not excessive, the contribution of potassium chloride supplementation should have little or no effect on the level in human milk. 8.4 Pediatric Use Safety and effectiveness in the pediatric population have not been established.
Pharmacokinetics
Sourced from openFDA- Metabolism
- The potassium chloride in potassium chloride extended-release tablets is completely absorbed before it leaves the small intestine. The wax matrix is not absorbed and is excreted in the feces; in some instances the empty matrices may be noticeable in the stool.
Overdosage
Sourced from openFDA10.1 Symptoms The administration of oral potassium salts to persons with normal excretory mechanisms for potassium rarely causes serious hyperkalemia. However, if excretory mechanisms are impaired, potentially fatal hyperkalemia can result [see Contraindications and Warnings] . It is important to recognize that hyperkalemia is usually asymptomatic and may be manifested only by an increased serum potassium concentration (6.5 to 8.0 mEq/L) and characteristic electrocardiographic changes (peaking of T-waves, loss of P-wave, depression of S-T segment and prolongation of the QT interval). Late manifestations include muscle paralysis and cardiovascular collapse from cardiac arrest (9 to 12 mEq/L). 10.2 Treatment Treatment measures for hyperkalemia include the following: 1. Elimination of foods and medications containing potassium and of any agents with potassium-sparing properties. 2. Intravenous administration of 300 to 500 mL/hr of 10% dextrose solution containing 10 to 20 units of crystalline insulin per 1,000 mL. 3. Correction of acidosis, if present, with intravenous sodium bicarbonate. 4. Use of exchange resins, hemodialysis or peritoneal dialysis.
Approval history
Sourced from openFDA- Aug 13, 1975NDANDA017586Otsuka Icu Medcl
- Aug 13, 1975NDANDA017608Otsuka Icu Medcl
- Aug 13, 1975NDANDA017609Otsuka Icu Medcl
- Jan 26, 1976NDANDA017641Otsuka Icu Medcl
- Feb 2, 1979NDANDA017378Baxter Hlthcare
- Feb 2, 1979NDANDA017648Baxter Hlthcare
- Feb 2, 1979NDANDA017484Baxter Hlthcare
- Feb 2, 1979NDANDA018037Baxter Hlthcare
FDA shortages
Reference statistics from the openFDA drug-shortage dataset. For a live view, consult the FDA database directly. Not clinical guidance.
- Klor-Con, Tablet, Extended Release, 600 mg (NDC 0245-5315-01)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
- Klor-Con, Tablet, Extended Release, 600 mg (NDC 0245-5315-11)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
- Klor-Con, Tablet, Extended Release, 600 mg (NDC 0245-5315-15)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
- Klor-Con, Tablet, Extended Release, 750 mg (NDC 0245-5316-01)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
- Klor-Con, Tablet, Extended Release, 750 mg (NDC 0245-5316-11)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
- Klor-Con, Tablet, Extended Release, 750 mg (NDC 0245-5316-15)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
- Potassium Chloride, Tablet, Extended Release, 10 meq (NDC 62037-710-01)To be discontinuedSponsor: Teva Pharmaceuticals USA, Inc.Updated
- Potassium Chloride, Tablet, Extended Release, 20 meq (NDC 62037-720-01)To be discontinuedSponsor: Teva Pharmaceuticals USA, Inc.Updated
- Potassium Chloride, Tablet, Extended Release, 20 meq (NDC 62037-720-05)To be discontinuedSponsor: Teva Pharmaceuticals USA, Inc.Updated
- Potassium Chloride, Tablet, Extended Release, 20 meq (NDC 62037-720-10)To be discontinuedSponsor: Teva Pharmaceuticals USA, Inc.Updated
- Potassium Chloride, Tablet, Extended Release, 600 mg (NDC 0832-5322-10)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
- Potassium Chloride, Tablet, Extended Release, 600 mg (NDC 0832-5322-11)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
- Potassium Chloride, Tablet, Extended Release, 750 mg (NDC 0832-5323-10)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
- Potassium Chloride, Tablet, Extended Release, 750 mg (NDC 0832-5323-11)To be discontinuedSponsor: Upsher-Smith Laboratories, LLCUpdated
FAERS reports
Literature
Recent PubMed references pinned to Potassium Chloride as a MeSH major topic. Citations link to pubmed.ncbi.nlm.nih.gov.
- Starch coating on low-sodium salt via fluidized bed granulation: Sensory improvement and health benefits.Carbohydrate polymers · 2026 · Song X, Li X, Liu X, et al.PMID 42173572DOI 10.1016/j.carbpol.2026.125354
- Effects of partial KCl substitution for NaCl combined with LAB inoculation on the overall quality of Chouguiyu: A study based on safety, bacterial community structure, and flavor characteristics.Food research international (Ottawa, Ont.) · 2026 · Jia X, Pei Q, Guo B, et al.PMID 42169280DOI 10.1016/j.foodres.2026.119317
- Efficacy of a Salt Substitute on the Incidence of Hypertension: A Systematic Review with Meta-Analysis.Arquivos brasileiros de cardiologia · 2026 · Kelly FA, Dantas CR, Sobreira LER, et al.PMID 42090672DOI 10.36660/abc.20250440
- Histone H3K27 trimethylation modulates the cotton response to KCl-induced ionic stress.Plant physiology · 2026 · Zhang Z, Huo W, Li X, et al.PMID 42057237DOI 10.1093/plphys/kiag252
- Evaluation of the effects of Plasma-Lyte 148 or 0.9% saline on acid-base balance in patients undergoing neurosurgery: a randomized clinical trial.Einstein (Sao Paulo, Brazil) · 2026 · Thom MM, Barros GAM, Fonseca LGF, et al.PMID 42018822DOI 10.31744/einstein_journal/2026AO1574
- Standard Therapy versus Plasmalyte in Children with Dengue Shock Syndrome (SPLID trial): a study protocol for an open-labeled randomized control trial.Trials · 2026 · Mahajan V, Shah NS, Vasudeva T, et al.PMID 41923109DOI 10.1186/s13063-026-09630-6
- Effect of non‑sodium salt substitution on the coagulation behavior of egg yolk: Analyzing egg yolk, plasma, and granule components during pickling.Food chemistry · 2026 · Zhang Q, Feng F, Wu N, et al.PMID 41812438DOI 10.1016/j.foodchem.2026.148759
- A case of successful resuscitation from hypokalemic cardiac arrest using rapid intravenous potassium.The American journal of emergency medicine · 2026 · Maneesh Kumar BL, Rao PSPMID 41762557DOI 10.1016/j.ajem.2026.02.023
Clinical trials
The 10 most recently updated of 1,931 ClinicalTrials.gov registrations naming Potassium Chloride as an intervention. Registration is not evidence of efficacy or safety — reference crosswalk only.
- Dietary Insights and Nutritional Education in Adults on GLP-1 TherapyRecruiting · Interventional · 50 enrolled · University of South CarolinaNCT07518407updated 2026-06-12
- Weight-Adjusted Diclofenac Potassium Medicated Lollipop for Post-Adenotonsillectomy Pain in ChildrenCompleted · Interventional · 50 enrolled · Hospital Universitario de CaracasNCT07646093updated 2026-06-12
- Precision Alemtuzumab Dosing for Allogeneic Hematopoietic Cell TransplantationRecruiting · Phase 2 · Interventional · 60 enrolled · Children's Hospital Medical Center, CincinnatiNCT05501756updated 2026-06-12
- Neoadjuvant and Adjuvant Therapy Studies of Sintilimab Combined With Chemotherapy With or Without Ipilimumab N01 in Resectable Gastric/Gastroesophageal Junction AdenocarcinomaNot yet recruiting · Phase 2 · Phase 3 · Interventional · 720 enrolled · Innovent Biopharmaceutical Technology (Hangzhou) Co., LTD.NCT07643623updated 2026-06-11
- Perioperative Oxaliplatin With S-1 Combined H. Pylori Eradication in the Management of Locally Advanced Gastric CancerRecruiting · Phase 2 · Interventional · 180 enrolled · Sixth Affiliated Hospital, Sun Yat-sen UniversityNCT06510010updated 2026-06-10
- Saccharin and Acesulfame Potassium Consumption and Glucose Homeostasis in Older Adults With PrediabetesActive not recruiting · Interventional · 30 enrolled · Virginia Polytechnic Institute and State UniversityNCT05441982updated 2026-06-10
- Study on the Diagnostic Cut-off Point of 24-hour Urinary Aldosterone Measured by Liquid Chromatography-Tandem Mass Spectrometry in the Diagnosis of Primary Aldosteronism in the Oral Sodium Loading TestRecruiting · Observational · 800 enrolled · Peking Union Medical College HospitalNCT07635134updated 2026-06-09
- Nutritional Education on Control of Serum Potassium Level in Maintenance Hemodialysis PatientsCompleted · Interventional · 50 enrolled · Tanta UniversityNCT07632105updated 2026-06-08
- Potassium Intake-response Trial to Control HypertensionTerminated · Interventional · 25 enrolled · Tulane UniversityNCT05758142updated 2026-06-08
- Vertebrobasilar Dolichoectasia Treatment With AmilorideNot yet recruiting · Phase 2 · Interventional · 6 enrolled · Huashan HospitalNCT07634068updated 2026-06-08
Frequently asked questions
- How does Potassium Chloride work?
- The potassium ion is the principal intracellular cation of most body tissues. Potassium ions participate in a number of essential physiological processes including the maintenance of intracellular tonicity, the transmission of nerve impulses, the contraction of cardiac, skeletal and smooth muscle and the maintenance of normal renal function.
- What is Potassium Chloride used for?
- According to FDA labeling, Potassium Chloride carries indications including: 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.. This is a reference summary of labeled uses, not medical advice or a treatment recommendation.
- What class of drug is Potassium Chloride?
- Potassium Chloride is classified as Electrolyte solutions, Potassium, Acid-Base Activity, Electrolyte Activity, Cellular Activity Alteration, Increased Insulin Secretion, Organized Electrical Activity Alteration.
- What are the brand names for Potassium Chloride?
- Potassium Chloride is marketed under brand names including Aminosyn 8.5 % with Electrolytes, Sulfite-Free, Aminosyn II 8.5 % with Electrolytes, Sulfite-Free, BSS Ophthalmic Solution, GaviLyte-C, GaviLyte-N, Gavilyte-G, Gavilyte-H, Golytely.
- What are the contraindications for Potassium Chloride?
- Potassium Chloride labeling lists contraindications including: Potassium chloride is contraindicated in patients on triamterene and amiloride.. Always consult the full prescribing information and a clinician.
potassium-chloride is illustrative MVP content compiled from public sources. pharmacopeia is for educational and informational use only and is not a substitute for professional medical advice.