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Carbinoxamine Maleate (carbinoxamine maleate 4 mg) Dailymed



IMPRINT: CYP 870     SHAPE: round
    COLOR: white    SCORE: 2

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Description:


Carbinoxamine maleate is a histamine-H1 receptor blocking agent.

Each tablet contains 4 mg carbinoxamine maleate and the following inactive ingredients: lactose monohydrate, magnesium stearate, microcrystalline cellulose, and sodium starch glycolate.

Carbinoxamine maleate is freely soluble in water. Its structure is

2-[(4-chlorophenyl)-2-pyridinylmethoxy]-N, N-dimethylethanamine (Z)-2-butenedioate (1:1)

C16H19ClN2O•C4H4O4                    MW = 406.86

Clinical Pharmacology:


Carbinoxamine maleate is an antihistamine with anticholinergic (drying) and sedative properties. Antihistamines appear to compete with histamine for receptor sites on effector cells.

The pharmacological effects of carbinoxamine maleate after oral absorption have been shown to last approximately 4 hours.

Interactions of carbinoxamine maleate with food or with other drugs and the possibility of cardiac conduction effects on the QT interval have not been studied.

Indications And Usage:


Carbinoxamine maleate is effective for the symptomatic treatment of:

Seasonal and perennial allergic rhinitis.

Vasomotor rhinitis.

Allergic conjunctivitis due to inhalant allergens and foods.

Mild, uncomplicated allergic skin manifestations of urticaria and angioedema.

Dermatographism.

As therapy for anaphylactic reactions adjunctive to epinephrine and other standard measures after the acute manifestations have been controlled.

Amelioration of the severity of allergic reactions to blood or plasma.

Contraindications:


Carbinoxamine maleate is contraindicated in children younger than 2 years of age.

Carbinoxamine maleate is contraindicated in nursing mothers.

Carbinoxamine maleate is contraindicated in patients who are hypersensitive to the drug or on monoamine oxidase inhibitor therapy. (See Drug Interactions section.)

Warnings:


Deaths have been reported in children less than 2 years of age who were taking antihistamines, including carbinoxamine-containing drug products, therefore, carbinoxamine maleate is contraindicated in children younger than 2 years of age (see CONTRAINDICATIONS ).

Antihistamines should be used with considerable caution in patients with: narrow angle glaucoma, stenosing peptic ulcer, symptomatic prostatic hypertrophy, bladder neck obstruction, pyloroduodenal obstruction.

Precautions:


General:


As with many other antihistamines, carbinoxamine maleate has an atropine-like action and, therefore, should be used with caution in patients with: increased intraocular pressure, hyperthyroidism, cardiovascular disease, hypertension.

Antihistamines such as carbinoxamine maleate should not be used to treat lower respiratory tract symptoms, including asthma.

Information for Patients:


Carbinoxamine maleate may cause drowsiness; alcohol, sedatives, and tranquilizers may increase the drowsiness effect. Avoid alcoholic beverages while taking this product. Do not take this product if you are taking sedatives or tranquilizers, without first consulting your doctor. Use caution when driving a motor vehicle or operating machinery.

Drug Interactions:


Monoamine oxidase inhibitors prolong and intensify the anticholinergic (drying) effects of antihistamines.

Carbinoxamine maleate has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.).

Carcinogenesis, Mutagenesis, Impairment of Fertility:


No long-term studies in animals have been performed to determine the possible effects of carbinoxamine maleate on carcinogenesis, mutagenesis, and fertility.

Pregnancy:


Pregnancy Category C:

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

Nursing Mothers:


Because of the higher risk of antihistamines for infants generally and for newborns and prematures in particular, use of carbinoxamine maleate is contraindicated in nursing mothers. (see CONTRAINDICATIONS section).

Pediatric Use:


Carbinoxamine maleate is contraindicated in children younger than 2 years of age (see CONTRAINDICATIONS ).

Carbinoxamine maleate may diminish mental alertness in children. In the young child, particularly, they may produce excitation.

Geriatric Use:


Carbinoxamine maleate is more likely to cause dizziness, sedation, and hypotension in elderly patients (approximately 60 years or older). Sedating drugs may also cause confusion and over sedation in the elderly. Therefore, 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.

Adverse Reactions:


The most frequent adverse reactions are underlined:

Body as a Whole:   Urticaria, drug rash, anaphylactic shock, photosensitivity, excessive perspiration, chills, dryness of mouth, nose and throat.

Cardiovascular:   Hypotension, headache, palpitations, tachycardia, extrasystoles.

Hematologic:   Hemolytic anemia, thrombocytopenia, agranulocytosis.

Central Nervous System:   Sedation, sleepiness, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesia, blurred vision, diplopia, vertigo, tinnitus, acute labyrinthitis, hysteria, neuritis, convulsions.

Gastrointestinal:   Epigastric distress, anorexia, nausea, vomiting, diarrhea, constipation.

Urogenital:   Urinary frequency, difficult urination, urinary retention, early menses.

Respiratory:   Thickenings of bronchial secretions, tightness of chest and wheezing, nasal stuffiness.

Overdosage:


Manifestations:


Antihistamine overdosage reactions may vary from central nervous system depression to stimulation. Stimulation is particularly likely in children. Atropine-like signs and symptoms - dry mouth; fixed, dilated pupils; flushing; and gastrointestinal symptoms may also occur.

Especially in infants and children, antihistamine overdosage may cause hallucinations, convulsions, or death.

The oral LD50 of carbinoxamine maleate in guinea pigs is 411 mg/kg.

Treatment:


The treatment of overdosage with carbinoxamine maleate is essentially symptomatic and supportive. Vital signs (including respiration, pulse, blood pressure, and temperature) and EKG should be monitored. Induction of vomiting is not recommended. Activated charcoal should be given and gastric lavage should be considered after ingestion of a potentially life-threatening amount of drug. In the presence of severe anticholinergic effects, physostigmine may be useful. Vasopressors may be used to treat hypotension.

Dosage And Administration:


Carbinoxamine maleate is contraindicated in children younger than 2 years of age (see CONTRAINDICATIONS ).

Carbinoxamine maleate should be taken on an empty stomach with water.

DOSAGE SHOULD BE INDIVIDUALIZED ACCORDING TO THE NEEDS AND THE RESPONSE OF THE PATIENT.

Carbinoxamine maleate dosage should be based on the severity of the condition and the response of the patient. The drug is well tolerated in doses as high as 24 mg daily, in divided doses, over prolonged periods. On the other hand, some patients respond to as little as 4 mg daily.

Clinical experience suggests the following dosage schedules:

Tablets

Usual Adult Dosage:
  • 1 or 2 tablets (4 to 8 mg) 3 to 4 times daily

Usual Child's Dosage:
  • Six to eleven years—1/2 to 1 tablet (2 to 4 mg) 3 or 4 times daily.

How Supplied:


Carbinoxamine Maleate Tablets, USP 4 mg are supplied as white, round, scored tablets, debossed "CYP 870" on one side and scored on the other, and are supplied in bottles of 100 tablets, NDC 60258-870-01.

Store at 20° to 25°C (68° to 77°F) [See USP controlled room temperature.]

Dispense in a tight, light-resistant container with a child-resistant closure as defined in the official compendium.

To report SUSPECTED ADVERSE REACTIONS, contact Cypress Pharmaceutical, Inc. at 1-800-793-2145 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Manufactured for:

Cypress Pharmaceutical, Inc.Morristown, NJ 07960

Rev. 06/16I347

Principal Display Panel - 4 Mg Tablet Bottle Label


NDC 60258-870-01

Carbinoxamine Maleate Tablets USP, 4 mg

Rx Only

CYPRESSPHARMACEUTICAL, INC.

100 Tablets

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"This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product."

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