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Benzonatate

RxNorm 283417· BENZONATATE· ORAL

Non-narcotic Antitussive [EPC] · REMEDYREPACK INC.

Indications and usage

INDICATIONS AND USAGE Benzonatate capsules, USP are indicated for the symptomatic relief of cough.

Dosage and administration

DOSAGE AND ADMINISTRATION Adults and Children over 10 years of age: Usual dose is one 100 mg or 200 mg capsule three times a day as needed for cough. If necessary to control cough, up to 600 mg daily in three divided doses may be given. Benzonatate capsules should be swallowed whole. Benzonatate capsules are not to be broken, chewed, dissolved, cut or crushed.

Warnings

WARNINGS Hypersensitivity 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. Psychiatric Effects Isolated instances of bizarre behavior, including mental confusion and visual hallucinations, have also been reported in patients taking Benzonatate capsules in combination with other prescribed drugs. Accidental Ingestion and Death in Children Keep benzonatate capsules out of reach of children. Accidental ingestion of benzonatate capsules resulting in death has been reported in children below age 10. Signs and symptoms of overdose have been reported within 15-20 minutes and death has been reported within one hour of ingestion. If accidental ingestion occurs, seek medical attention immediately (see OVERDOSAGE ).

Contraindications

CONTRAINDICATIONS Hypersensitivity to benzonatate or related compounds.

Pregnancy

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

Nursing mothers

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 capsules are administered to a nursing woman.

Adverse events

Most frequently reported events (FDA FAERS). Report frequency does not imply causation.

  • chronic kidney disease1,233
  • fatigue1,219
  • cough1,185
  • dyspnoea1,138
  • pneumonia1,100
  • diarrhoea1,079
  • nausea1,058
  • pain918
  • renal failure871
  • death829
  • headache813
  • acute kidney injury797
  • off label use633
  • dizziness631
  • drug ineffective577
  • anxiety570

Adverse reactions (label)

ADVERSE REACTIONS Potential Adverse Reactions to benzonatate capsules 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. Deliberate or accidental overdose has resulted in death, particularly in children. Hypersensitivity reactions including bronchospasm, laryngospasm, cardiovascular collapse possibly related to local anesthesia from chewing or sucking the capsule.