Medical Editor: John P. Cunha, DO, FACOEP
Benzonatate is a nonnarcotic antitussive (anti-cough) drug used to relieve cough symptoms. Benzonatate is available in generic form. Common side effects of benzonatate include:
- stomach upset,
- stuffy nose,
- hypersensitivity reactions,
- visual hallucinations,
- skin breakouts,
- burning in the eyes, and
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. 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. 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.
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.
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.