Ketek and Hyperthyroidism - a phase IV clinical study of FDA data

Summary:

Hyperthyroidism is reported as a side effect among people who take Ketek (telithromycin), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Prevacid, and have Breast cancer.

The phase IV clinical study analyzes which people have Hyperthyroidism when taking Ketek. It is created by eHealthMe based on reports of 4,619 people who have side effects when taking Ketek from the FDA, and is updated regularly.

What is Ketek?

Ketek has active ingredients of telithromycin. eHealthMe is studying from 4,631 Ketek users. Check the latest studies of Ketek.

What is Hyperthyroidism?

Hyperthyroidism (over activity of the thyroid gland) is found to be associated with 1,006 drugs and 1,434 conditions by eHealthMe. Check the latest studies of Hyperthyroidism.

On May, 14, 2026

4,619 people reported to have side effects when taking Ketek.
Among them, 8 people (0.17%) have Hyperthyroidism.

Among these 8 people:

How long have people been on Ketek when they have Hyperthyroidism? *

What is the gender of people who have Hyperthyroidism when taking Ketek? *

female: 100 %
male: 0.0 %

What is the age of people who have Hyperthyroidism when taking Ketek? *

What are other drugs people take besides Ketek? *

What are other side effects people have besides Hyperthyroidism? *

Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 8 people, 100.00%
Weight Decreased: 8 people, 100.00%
Dyspnea (difficult or laboured breathing): 7 people, 87.50%
Pneumonia: 7 people, 87.50%
Constipation: 7 people, 87.50%
Jaundice - Yellow Skin (a yellowish pigmentation of the skin): 7 people, 87.50%
Nausea (feeling of having an urge to vomit): 7 people, 87.50%
Sinusitis (inflammation of sinus): 7 people, 87.50%
Stress And Anxiety: 7 people, 87.50%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 7 people, 87.50%

What are the existing conditions these people have? *

Pain: 6 people, 75.00%
High Blood Pressure: 6 people, 75.00%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 6 people, 75.00%
Breast Cancer: 6 people, 75.00%
Personality Disorder: 1 person, 12.50%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 1 person, 12.50%

* Approximation only. Some reports may have incomplete information.

Do you take Ketek and have Hyperthyroidism?

- Check whether Hyperthyroidism 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 Ketek:

Ketek (4,631 reports)

Hyperthyroidism treatments and more:

Hyperthyroidism (26,831 reports)

Browse all side effects of Ketek:

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 Hyperthyroidism:

Hyperthyroidism (1,006 drugs)

Browse all the conditions that are associated with Hyperthyroidism:

Hyperthyroidism (1,434 conditions)

Related publications that referenced our studies

Dulani S, Dulani R, Lele S, Diagavane S, Anjankar S, Jaiswal N, Subramaniam PS, Juneja R, "Chronic Subdural Haematoma in a Case of Hyperthyroidism Presenting with Papilledema", Chinese Medicine, 2012 Dec .
Dulani S, Dulani R, Lele S, Diagavane S, Anjankar S, Jaiswal N, Subramaniam PS, Juneja R, "Chronic Subdural Haematoma in a Case of Hyperthyroidism Presenting with Papilledema", Chinese Medicine, 2012 Dec .

How the study uses the data?

The study uses data from the FDA. It is based on telithromycin (the active ingredients of Ketek) and Ketek (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.