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These highlights do not include all the information needed to use POTASSIUM CHLORIDE ORAL SOLUTION safely and effectively. See full prescribing information for POTASSIUM CHLORIDE ORAL SOLUTION. POTASSIUM CHLORIDE oral solutionInitial U.S. Approval: 1948 | Potassium Chloride [Apotex Corp] | BioPortfolio

12:46 EST 27th January 2019 | BioPortfolio

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Potassium chloride oral solution is indicated for the treatment and prophylaxis of hypokalemia in patients for whom dietary management with potassium-rich foods or diuretic dose reduction are insufficient.

Monitoring

Monitor serum potassium and adjust dosages accordingly. For treatment of hypokalemia, monitor potassium levels daily or more often depending on the severity of hypokalemia until they return to normal. Monitor potassium levels monthly to biannually for maintenance or prophylaxis.

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

Dilute the potassium chloride solution with at least 4 ounces of cold water [see Warnings and Precautions (5.1)].

Take with meals or immediately after eating.

If serum potassium concentration is less than 2.5 mEq/L, use intravenous potassium instead of oral supplementation.

Treatment of hypokalemia

Daily dose range from 40 to 100 mEq. Give in 2 to 5 divided doses: limit doses to 40 mEq per dose. The total daily dose should not exceed 200 mEq in a 24 hour period.

Maintenance or Prophylaxis

Typical dose is 20 mEq per day. Individualize dose based upon serum potassium levels.

Studies support the use of potassium replacement in digitalis toxicity. When alkalosis is present, normokalemia and hyperkalemia may obscure a total potassium deficit. The advisability of use of potassium replacement in the setting of hyperkalemia is uncertain.

Treatment of hypokalemia

Pediatric patients aged birth to 16 years old: The initial dose is 2 to 4 mEq/kg/day in divided doses; do not exceed as a single dose 1 mEq/kg or 40 mEq, whichever is lower; maximum daily doses should not exceed 100 mEq. If deficits are severe or ongoing losses are great, consider intravenous therapy.

Maintenance or Prophylaxis

Pediatric patients aged birth to 16 years old: Typical dose is 1 mEq/kg/day. Do not exceed 3 mEq/kg/day.

Oral Solution 10%: 1.3 mEq potassium per mL.

Oral Solution 20%: 2.6 mEq potassium per mL.

Potassium chloride is contraindicated in patients on potassium sparing diuretics.

May cause gastrointestinal irritation if administered undiluted. Increased dilution of the solution and taking with meals may reduce gastrointestinal irritation [see Dosage and Administration (2.1)].

The most common adverse reactions to oral potassium salts are nausea, vomiting, flatulence, abdominal pain/discomfort, and diarrhea.

Use with potassium-sparing diuretic can produce severe hyperkalemia. Avoid concomitant use.

Use with angiotensin converting enzyme (ACE) inhibitors produces potassium retention by inhibiting aldosterone production. Potassium supplements should be given to patients receiving ACE inhibitors only with close monitoring.

Use with angiotensin receptor blockers (ARBs) produces potassium retention by inhibiting aldosterone production. Potassium supplements should be given to patients receiving ARBs only with close monitoring.

Pregnancy Category C

Animal reproduction studies have not been conducted with potassium chloride. It is unlikely that potassium supplementation that does not lead to hyperkalemia would have an adverse effect on the fetus or would affect reproductive capacity.

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.

The safety and effectiveness of potassium chloride have been demonstrated in children with diarrhea and malnutrition from birth to18 years.

Clinical studies of potassium chloride did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger patients. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.

This drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function.

The administration of oral potassium salts to persons with normal excretory mechanisms for potassium rarely causes serious hyperkalemia. However, if excretory mechanisms are impaired or if potassium is administered too rapidly potentially fatal hyperkalemia can result.

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-waves, depression of S-T segment, and prolongation of the QT-interval). Late manifestations include muscle paralysis and cardiovascular collapse from cardiac arrest (9 to12 mEq/L).

Treatment measures for hyperkalemia include the following:

In patients who have been stabilized on digitalis, too rapid a lowering of the serum potassium concentration can produce digitalis toxicity.

Potassium chloride, USP is a colorless, elongated, prismatic, or cubical crystals, or white, granular powder. It is soluble in water and slightly soluble in alcohol. Chemically, potassium chloride is K-Cl with a molecular mass of 74.55 g/mol.

Oral Solution 10%: Each 15 mL of solution contains 1.5 g of potassium chloride, USP and the following inactive ingredients: citric acid anhydrous, FD&C Yellow #6, glycerin, methylparaben, natural orange flavor, propylene glycol, propylparaben, purified water, sodium citrate dihydrate, sucralose.

Oral Solution 20%: Each 15 mL of solution contains 3.0 g of potassium chloride, USP and the following inactive ingredients: citric acid anhydrous, FD&C Yellow #6, glycerin, methylparaben, natural orange flavor, propylene glycol, propylparaben, purified water, sodium citrate dihydrate, sucralose.

Natural orange flavor includes fruit extract and natural flavor.

The potassium ion (K) 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.

The intracellular concentration of potassium is approximately 150 to 160 mEq per liter. The normal adult plasma concentration is 3.5 to 5 mEq per liter. An active ion transport system maintains this gradient across the plasma membrane.

Potassium is a normal dietary constituent, and under steady-state conditions the amount of potassium absorbed from the gastrointestinal tract is equal to the amount excreted in the urine. The usual dietary intake of potassium is 50 to 100 mEq per day.

Based on published literature, the rate of absorption and urinary excretion of potassium from KCl oral solution were higher during the first few hours after dosing relative to modified release KCl products. The bioavailability of potassium, as measured by the cumulative urinary excretion of K over a 24 hour post dose period, is similar for KCl solution and modified release products.

Potassium chloride oral solution, USP is an orange solution available in two strengths as follows:

10%: 20 mEq/15 mL oral solutionNDC# 60505-6184-6 Bottle of 473 mL

20%: 40 mEq/15 mL oral solutionNDC# 60505-6185-6 Bottle of 473 mL

Storage

Store at 20°C to 25°C (68°F to 77°F) [see USP Controlled Room Temperature]. Dispense in a tight, light-resistant container as defined in the USP. PROTECT from LIGHT.

APOTEX INC.

POTASSIUM CHLORIDE ORAL SOLUTION, USP

10% and 20%

Revised: February 2018

Rev. 2

Manufactured by:   Manufactured for:
Apotex Inc.   Apotex Corp.
Toronto, Ontario   Weston, Florida
Canada M9L 1T9   USA 33326

Representative sample of labeling (see HOW SUPPLIED section of complete listing):

APOTEX CORP.

NDC 60605-6184-6

Potassium Chloride Oral Solution USP, 10%

20 mEq per 15 mL

Rx

473 mL

Representative sample of labeling (see HOW SUPPLIED section of complete listing):

APOTEX CORP.

NDC 60605-6184-6

Potassium Chloride Oral Solution USP, 10%

 20 mEq per 15 mL

Rx

473 mL

Representative sample of labeling (see HOW SUPPLIED section of complete listing):

APOTEX CORP.

NDC 60605-6185-6

Potassium Chloride Oral Solution USP, 20% 

40 mEq per 15 mL

Rx

473 mL

Representative sample of labeling (see HOW SUPPLIED section of complete listing):

APOTEX CORP .

NDC 60605-6185-6

Potassium Chloride Oral Solution USP, 20% 

40 mEq per 15 mL

Rx

473 mL

Manufacturer

Apotex Corp

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