December 1, 2015
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Side Effects


Potential Adverse Reactions to TESSALON (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.

Deliberate or accidental overdose has resulted in death, particularly in children.

Read the Tessalon (benzonatate capsules) Side Effects Center for a complete guide to possible side effects


No information provided.

Pharmacist reviewed on 10/30/2014

Prescribing Document Revised: January 2011

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 10/30/2014

Side Effects

Tessalon - User Reviews

Tessalon User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Tessalon sorted by most helpful. Patient Discussions FAQs

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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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