Benzonatate (Oral)

Benzonatate (By Mouth)

Benzonatate (ben-ZOE-na-tate)

Treats cough.

Brand Name(s):

Tessalon Perles
There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to benzonatate in the past.

How to Use This Medicine:

Capsule, Liquid Filled Capsule

  • Your doctor will tell you how much medicine to take and how often.  
  • Swallow the capsules whole; do not crush or chew. Chewing the capsule may numb your mouth and throat and you could choke.

If a dose is missed::

  • Take the missed dose as soon as possible.  
  • If it is almost time for the next dose, wait until then to take your medicine and skip the missed dose.  
  • You should not use two doses at the same time.

How to Store and Dispose of This Medicine:

  • Keep this medication in the original tightly closed, light-resistant container.  
  • Store at room temperature, away from heat, moisture, and light.  
  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.  
  • Keep all medicine away from children.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Avoid drinking alcohol while taking this medicine.

Warnings While Using This Medicine:

  • If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.  
  • Benzonatate is not recommended for children younger than 10 years old.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Trouble breathing  
  • Tightness in the chest or throat  
  • Tremors, shakiness, seizures  
  • Skin rash, itching

If you notice these less serious side effects, talk with your doctor:

  • Nausea, upset stomach  
  • Headache  
  • Mild dizziness  
  • Drowsiness  
  • Constipation  
  • Stuffy nose

Johns Hopkins patient information

Copyright 1996-2014 Cerner Multum, Inc. Version: 16.02.
Revision date: July 6, 2011
Last revised: by Amalia K. Gagarina, M.S., R.D.

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.

The drug reference included in this section is provided by Cerner Multum, Inc., of Denver, Colorado. Armenian Medical Network receives monthly updates from Multum.