Tessalon and Adverse event - a phase IV clinical study of FDA data

Summary:

Adverse event is reported as a side effect among people who take Tessalon (benzonatate), especially for people who are female, 60+ old, also take Nexium, and have Asthma.

The phase IV clinical study analyzes which people have Adverse event when taking Tessalon. It is created by eHealthMe based on reports of 6,327 people who have side effects when taking Tessalon from the FDA, and is updated regularly.

What is Tessalon?

Tessalon has active ingredients of benzonatate. It is often used in cough. eHealthMe is studying from 6,493 Tessalon users. Check the latest studies of Tessalon.

What is Adverse event?

Adverse event is found to be associated with 1,681 drugs and 1,668 conditions by eHealthMe. Check the latest studies of Adverse event.



On Aug, 07, 2026

6,327 people reported to have side effects when taking Tessalon.
Among them, 20 people (0.32%) have Adverse event.

Could Tessalon cause Adverse event?

Among these 20 people:

What is the gender of people who have Adverse event when taking Tessalon? *

  • female: 66.67 %
  • male: 33.33 %

What is the age of people who have Adverse event when taking Tessalon? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 20.0 %
  • 50-59: 33.33 %
  • 60+: 46.67 %

What are other drugs people take besides Tessalon? *

  1. Aspirin: 5 people, 25.00%
  2. Nexium: 5 people, 25.00%
  3. Klonopin: 3 people, 15.00%
  4. Prilosec: 3 people, 15.00%
  5. Singulair: 3 people, 15.00%
  6. Xanax: 3 people, 15.00%
  7. Vitamins: 3 people, 15.00%
  8. Ambien: 3 people, 15.00%
  9. Duoneb: 3 people, 15.00%
  10. Lyrica: 3 people, 15.00%

What are other side effects people have besides Adverse event? *

  1. Asthma: 7 people, 35.00%
  2. Dyspnea (difficult or laboured breathing): 6 people, 30.00%
  3. Drug Ineffective: 5 people, 25.00%
  4. Wheezing (a high-pitched whistling sound made while you breath): 4 people, 20.00%
  5. Productive Cough: 4 people, 20.00%
  6. Nausea (feeling of having an urge to vomit): 4 people, 20.00%
  7. Chest Pain: 4 people, 20.00%
  8. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 20.00%
  9. Acute Kidney Failure: 3 people, 15.00%
  10. Oedema Peripheral (superficial swelling): 3 people, 15.00%

What are the existing conditions these people have? *

  1. Asthma: 6 people, 30.00%
  2. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 20.00%
  3. Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 2 people, 10.00%
  4. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 2 people, 10.00%
  5. Dyspnea (difficult or laboured breathing): 2 people, 10.00%
  6. Wound: 1 person, 5.00%
  7. High Blood Pressure: 1 person, 5.00%
  8. High Blood Cholesterol: 1 person, 5.00%
  9. Headache (pain in head): 1 person, 5.00%
  10. Feeling Abnormal: 1 person, 5.00%

* Approximation only. Some reports may have incomplete information.

Do you take Tessalon and have Adverse event?

- Check whether Adverse event is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

Effectiveness of, long term effects of, and alternative drugs to Tessalon:

Adverse event treatments and more:

How severe was Adverse event and when was it recovered:

Expand to all the drugs that have ingredients of benzonatate:

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Tessalon:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Adverse event:

Browse all the conditions that are associated with Adverse event:


How the study uses the data?

The study uses data from the FDA. It is based on benzonatate (the active ingredients of Tessalon) and Tessalon (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



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