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Name:Benzonatate
Manufacturer:Kaiser Foundation Hospitals
Category:Prescription Marketed Drugs


BENZONATATE  - benzonatate capsule 
KAISER FOUNDATION HOSPITALS

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Rx only

DESCRIPTION

Benzonatate, a non-narcotic oral antitussive agent, is 2, 5, 8, 11, 14, 17, 20, 23, 26-nonaoxaoctacosan-28-yl p-(butylamino) benzoate; with a molecular weight of 603.7.

Benzonatate Chemical Structure


Each soft gelatin capsule, for oral administration, contains 100 mg of benzonatate USP.

Benzonatate Capsules, USP also contain the following inactive ingredients: D&C Yellow # 10, gelatin, glycerin, purified water, methylparaben, propylparaben and titanium dioxide.

CLINICAL PHARMACOLOGY

Benzonatate acts peripherally by anesthetizing the stretch receptors located in the respiratory passages, lungs, and pleura by dampening their activity and thereby reducing the cough reflex at its source. It begins to act within 15 to 20 minutes and its effect lasts for 3 to 8 hours. Benzonatate has no inhibitory effect on the respiratory center in recommended dosage.

INDICATIONS AND USAGE

Benzonatate is indicated for the symptomatic relief of cough.

CONTRAINDICATIONS

Hypersensitivity to benzonatate or related compounds.

WARNINGS

Severe hypersensitivity reactions (including bronchospasm, laryngospasm and cardiovascular collapse) have been reported which are possibly related to local anesthesia from sucking or chewing the capsule instead of swallowing it. Severe reactions have required intervention with vasopressor agents and supportive measures.

Isolated instances of bizarre behavior, including mental confusion and visual hallucinations, have also been reported in patients taking benzonatate in combination with other prescribed drugs.

PRECAUTIONS

Benzonatate is chemically related to anesthetic agents of the para-aminobenzoic acid class (e.g. procaine; tetracaine) and has been associated with adverse CNS effects possibly related to a prior sensitivity to related agents or interaction with concomitant medication.

Information for patients:

Release of benzonatate from the capsule in the mouth can produce a temporary local anesthesia of the oral mucosa and choking could occur. Therefore, the capsules should be swallowed without chewing.

Usage in Pregnancy:

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

Nursing Mothers:


It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk caution should be exercised when benzonatate is administered to a nursing woman.

Carcinogenesis, mutagenesis, impairment of fertility:

Carcinogenicity, mutagenicity, and reproduction studies have not been conducted with benzonatate.

Pediatric Use:

Safety and effectiveness in children below the age of 10 have not been established.

ADVERSE REACTIONS

Potential Adverse Reactions to benzonatate may include:

Hypersensitivity reactions including bronchospasm, laryngospasm, cardiovascular collapse possibly related to local anesthesia from chewing or sucking the capsule.

CNS: sedation; headache; dizziness; mental confusion; visual hallucinations.

GI: constipation; nausea; GI upset.

Dermatologic: pruritus; skin eruptions.

Other: nasal congestion; sensation of burning in the eyes; vague “chilly” sensation; numbness of the chest; hypersensitivity.

Rare instances of deliberate or accidental overdose have resulted in death.

OVERDOSAGE

Overdose may result in death.

The drug is chemically related to tetracaine and other topical anesthetics and shares various aspects of their pharmacology and toxicology. Drugs of this type are generally well absorbed after ingestion.

Signs and Symptoms:
If capsules are chewed or dissolved in the mouth, oropharyngeal anesthesia will develop rapidly. CNS stimulation may cause restlessness and tremors which may proceed to clonic convulsions followed by profound CNS depression.

Treatment:
Evacuate gastric contents and administer copious amounts of activated charcoal slurry. Even in the conscious patient, cough and gag reflexes may be so depressed as to necessitate special attention to protection against aspiration of gastric contents and orally administered materials. Convulsions should be treated with a short-acting barbiturate given intravenously and carefully titrated for the smallest effective dosage. Intensive support of respiration and cardiovascular - renal function is an essential feature of the treatment of severe intoxication from overdosage.

Do not use CNS stimulants.

DOSAGE AND ADMINISTRATION

Adults and Children over 10 years of age: Usual dose is one 100 mg or 200 mg capsule t.i.d. as required. If necessary, up to 600 mg daily may be given.

HOW SUPPLIED

Benzonatate Capsules USP, 100 mg: Yellow soft gelatin capsules, imprinted “ASC” on one side and “105” on the other side, available in bottles of 30’s (NDC 0179-0066-30).

Store at controlled room temperature 20º - 25ºC (68º - 77ºF) [See USP].

API-01, 5/07

Mfd by
Intergel Division of IVC Industries, Inc.
Irvington, NJ 07111

for
ASCEND LABORATORIES, LLC
MONTVALE, NJ 07645

Repackaged by:
KAISER FOUNDATION HOSPITALS
LIVERMORE, CA 94551

Package Label - Bottle of 30 Capsules

Bottle Label


BENZONATATE 
benzonatate capsule
Product Information
Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:0179-0066(NDC:67877-0105)
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
benzonatate (benzonatate) benzonatate 100 mg
Inactive Ingredients
Ingredient Name Strength
D&C YELLOW NO. 10  
gelatin  
glycerin  
water  
methylparaben  
propylparaben  
titanium dioxide  
Product Characteristics
Color yellow Score no score
Shape CAPSULE Size 19mm
Flavor Imprint Code ASC;105
Contains     
Packaging
# Item Code Package Description Multilevel Packaging
1 NDC:0179-0066-30 30 CAPSULE ( CAPSULE) in 1 BOTTLE None

Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA040627 06/21/2010

Labeler - KAISER FOUNDATION HOSPITALS (053052619)
Establishment
Name Address ID/FEI Operations
KAISER FOUNDATION HOSPITALS 053052619 repack

Revised: 06/2010 KAISER FOUNDATION HOSPITALS



Source: http://dailymed.nlm.nih.gov
Reproduced with permission of U.S. National Library of Medicine


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