Benzonatate

Last updated on RxList: 8/5/2020
Benzonatate Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

What Is Benzonatate?

Benzonatate is a nonnarcotic antitussive (anti-cough) drug used to relieve cough symptoms. Benzonatate is available in generic form.

What Are Side Effects of Benzonatate?

Common side effects of benzonatate include:

  • drowsiness,
  • dizziness,
  • headache,
  • stomach upset,
  • constipation,
  • stuffy nose,
  • hypersensitivity reactions,
  • confusion,
  • visual hallucinations,
  • nausea,
  • itching,
  • skin breakouts,
  • burning in the eyes, and
  • chills.

Dosage for Benzonatate

The usual dose of benzonatate for adults and children over 10 years of age is one 100 mg softgel three times daily as required. If necessary, up to 6 softgels daily may be given.

What Drugs, Substances, or Supplements Interact with Benzonatate?

Benzonatate may interact with other medications that cause drowsiness including, cough and cold medications, antihistamines, anti-seizure drugs, medicine for sleep or anxiety, muscle relaxants, narcotics, or psychiatric medicines. Tell your doctor all medications and supplements you use.

Benzonatate During Pregnancy and Breastfeeding

During pregnancy, benzonatate should be used only if prescribed. It is unknown if this drug is excreted in breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Benzonatate Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

QUESTION

Which illness is known as a viral upper respiratory tract infection? See Answer
Benzonatate Consumer Information

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Stop taking this medicine and get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe drowsiness or dizziness;
  • confusion, hallucinations.
  • ongoing numbness or tingling in your mouth, throat, or face;
  • numbness in your chest;
  • a choking feeling;
  • chills; or
  • burning in your eyes.

Some of these side effects may result from chewing or sucking on a benzonatate capsule.

Common side effects may include:

  • headache, dizziness;
  • nausea, upset stomach;
  • constipation;
  • itching, rash; or
  • stuffy nose.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Benzonatate (Benzonatate Softgels)

SLIDESHOW

Cold and Flu: Finding Relief for Your Cough See Slideshow
Benzonatate Professional Information

SIDE EFFECTS

Potential Adverse Reactions to benzonatate may include:

Hypersens itivity 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.

Read the entire FDA prescribing information for Benzonatate (Benzonatate Softgels)

© Benzonatate Patient Information is supplied by Cerner Multum, Inc. and Benzonatate Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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