Benzonatate Side Effects

Bothersome Side Effects

Benzonatate is a relatively old medication, approved before it was standard practice to include highly detailed side effect information in the prescribing information for medications. As a result, only vague information on side effects is available, with no percentages.
 
Based on this limited information, some of the possibly bothersome (but not usually dangerous) benzonatate side effects include:
 
  • Drowsiness
  • Headache
  • Dizziness
  • Constipation
  • Nausea
  • Upset stomach
  • Nasal congestion
  • Burning sensation in the eyes
  • A "chilly" sensation.
     

Final Thoughts

You may experience some or none of the problems listed in this article. Unfortunately, there is no way for your healthcare provider to know beforehand if you will have side effects from a medicine that you have never tried.
 
Therefore, make sure to let your healthcare provider know if you develop any side effects while taking benzonatate. Also, let your healthcare provider know if you develop something that "just does not seem right." While the issue may not be related to the medication, your healthcare provider will be able to diagnose and treat the problem.
 
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Benzonatate Drug Information

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