Ammonium Chloride description, usages, side effects, indications, overdosage, supplying and lots more!

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Ammonium Chloride

Hospira, Inc.

AMMONIUM CHLORIDEInjection, USP


FULL PRESCRIBING INFORMATION: CONTENTS*




FULL PRESCRIBING INFORMATION

100 mEq (5 mEq/mL)

CONCENTRATED SOLUTION —

FOR USE ONLY AFTER DILUTION

IN SODIUM CHLORIDE INJECTION.

Plastic Vial

Rx only

AMMONIUM CHLORIDE DESCRIPTION

Ammonium Chloride Injection, USP, 100 mEq, is a sterile, nonpyrogenic solution of ammonium chloride (NH4Cl) in water for injection administered (after dilution) by the intravenous route. Each mL contains 267.5 mg of ammonium chloride 5 mEq of ammonium and 5 mEq of chloride) and edetate disodium (anhydrous) 2 mg added as a stabilizer. pH 4.4 (4.0 to 6.0). May contain hydrochloric acid for pH adjustment. 10 mOsmol/mL (calc.). It is intended to be used only after dilution in a larger volume of isotonic (0.9%) sodium chloride injection.

The solution contains no bacteriostat, antimicrobial agent or added buffer (except for pH adjustment) and is intended only for dilution as a single-dose additive. When smaller doses are required the unused portion should be discarded with the entire additive unit.

Ammonium Chloride Injection, USP is an electrolyte replenisher and systemic acidifier.

Ammonium Chloride, USP is chemically designated NH4Cl, colorless crystals or white granular powder freely soluble in water.

The semi-rigid vial is fabricated from a specially formulated polyolefin. It is a copolymer of ethylene and propylene. The safety of the plastic has been confirmed by tests in animals according to USP biological standards for plastic containers. The container requires no vapor barrier to maintain the proper drug concentration.

CLINICAL PHARMACOLOGY

The ammonium ion (NH4 +) in the body plays an important role in the maintenance of acid-base balance. The kidney uses ammonium (NH4 +) in place of sodium (Na+) to combine with fixed anions in maintaining acid-base balance, especially as a homeostatic compensatory mechanism in metabolic acidosis.

When a loss of hydrogen ions (H+) occurs and serum chloride (Cl) decreases, sodium is made available for combination with bicarbonate (HCO3 ). This creates an excess of sodium bicarbonate (NaHCO3) which leads to a rise in blood pH and a state of metabolic alkalosis.

The therapeutic effects of ammonium chloride depend upon the ability of the kidney to utilize ammonia in the excretion of an excess of fixed anions and the conversion of ammonia to urea by the liver, thereby liberating hydrogen (H+) and chloride (Cl) ions into the extracellular fluid.

AMMONIUM CHLORIDE INDICATIONS AND USAGE

Ammonium Chloride Injection, USP, after dilution in isotonic sodium chloride injection, may be indicated in the treatment of patients with (1) hypochloremic states and (2) metabolic alkalosis.

AMMONIUM CHLORIDE CONTRAINDICATIONS

Ammonium chloride is contraindicated in patients with severe impairment of renal or hepatic function.

Ammonium chloride should not be administered when metabolic alkalosis due to vomiting of hydrochloric acid is accompanied by loss of sodium (excretion of sodium bicarbonate in the urine).

PRECAUTIONS

Patients receiving ammonium chloride should be constantly observed for symptoms of ammonia toxicity (pallor, sweating, retching, irregular breathing, bradycardia, cardiac arrhythmias, local and general twitching, tonic convulsions and coma).

It should be used with caution in patients with high total CO2 and buffer base secondary to primary respiratory acidosis.

Intravenous administration should be slow to avoid local irritation and toxic effects.

When exposed to low temperatures, concentrated solutions of ammonium chloride may crystallize. If crystals are observed, the vial should be warmed to room temperature in a water bath prior to use.

Do not administer unless the solution is clear and seal is intact. Discard unused portion.

Pregnancy Category C:

Animal reproduction studies have not been conducted with ammonium chloride. It is also not known whether ammonium chloride can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Ammonium chloride should be given to a pregnant woman only if clearly needed.

AMMONIUM CHLORIDE ADVERSE REACTIONS

Rapid intravenous administration of ammonium chloride may be accompanied by pain or irritation at the site of injection or along the venous route.

Reactions which may occur because of the solution or the technique of administration include febrile response, infection at the site of injection, venous thrombosis or phlebitis extending from the site of injection, extravasation and hypervolemia (from large volume diluent).

If an adverse reaction does occur, discontinue the infusion, evaluate the patient, institute appropriate therapeutic countermeasures and save the remainder of the fluid for examination if deemed necessary.

OVERDOSAGE

Overdosage of ammonium chloride has resulted in a serious degree of metabolic acidosis, disorientation, confusion and coma. Should metabolic acidosis occur following overdosage, the administration of an alkalinizing solution such as sodium bicarbonate or sodium lactate will serve to correct the acidosis.

AMMONIUM CHLORIDE DOSAGE AND ADMINISTRATION

Ammonium Chloride Injection, USP is administered intravenously and must be diluted before use. Solutions for intravenous infusion should not exceed a concentration of 1% to 2% of ammonium chloride.

Dosage is dependent upon the condition and tolerance of the patient. It is recommended that the contents of one to two vials (100 to 200 mEq) be added to 500 or 1000 mL of isotonic (0.9%) sodium chloride injection. The rate of intravenous infusion should not exceed 5 mL per minute in adults (approximately 3 hours for infusion of 1000 mL). Dosage should be monitored by repeated serum bicarbonate determinations.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. See PRECAUTIONS .

HOW SUPPLIED

Ammonium Chloride Injection, USP, is supplied in 20 mL single-dose plastic Fliptop Containers (NDC 0409-6043-01).

Store at 20 to 25°C (68 to 77°F). [See USP Controlled Room Temperature.]

Caution: Federal (USA) law prohibits dispensing without prescription.

Revised: December, 2009

Printed in USA

EN-2340

Hospira, Inc., Lake Forest, IL 60045 USA


RL-0386

 Ammonium Chloride

Ammonium Chloride

AMMONIUM CHLORIDE INJECTION, SOLUTION, CONCENTRATE

Product Information

Product Type Human prescription drug label Item Code (Source) NDC:0409-6043
Route of Administration INTRAVENOUS DEA Schedule

Active Ingredient/Active Moiety

Ingredient Name Basis of Strength Strength
AMMONIUM CHLORIDE AMMONIUM CATION 267.5 mg

Inactive Ingredients

Ingredient Name Strength
EDETATE DISODIUM ANHYDROUS
HYDROCHLORIC ACID
water

Packaging

# Item Code Package Description Marketing Start Date Marketing End Date
1 20 in 1 VIAL, SINGLE-DOSE
2 NDC:0409-6043-01 25 in 1 TRAY

Marketing Information

Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA088366 2011-05-06


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