Tessalon Side Effects

Generic Name: benzonatate

Please note - some side effects for Tessalon may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Side Effects of Tessalon - for the Consumer

Tessalon Perles

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Tessalon Perles:

Constipation; dizziness; drowsiness; headache; nasal congestion; nausea; upset stomach.

Seek medical attention right away if any of these SEVERE side effects occur when using Tessalon Perles:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bizarre behavior; confusion; hallucinations.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

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Tessalon Side Effects - for the Professional

Tessalon

Potential Adverse Reactions to Tessalon 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.

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Side Effects by Body System - for Healthcare Professionals

Nervous system

Nervous system adverse effects have rarely included headache, dizziness, mental confusion, bizarre behavior, and visual hallucinations. Seizures have been reported in patients after ingesting high doses.

Respiratory

Respiratory side effects may include choking induced by the anesthetic action of benzonatate if chewed or sucked. Patients should be informed to swallow the capsule whole. Nasal congestion has been reported rarely.

Hypersensitivity

Hypersensitivity side effects include bronchospasm, laryngospasm, and cardiovascular collapse that may be related to chewing or sucking the capsule instead of swallowing it whole.

Gastrointestinal

Gastrointestinal side effects have included constipation, nausea, and gastrointestinal upset.

Dermatologic

Dermatologic side effects have included pruritus and skin eruptions.

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