Tequin and Ibs - a phase IV clinical study of FDA data

Summary:

Ibs is reported as a side effect among people who take Tequin (gatifloxacin), especially for people who are male, 60+ old, also take Vicodin, and have Constipation.

The phase IV clinical study analyzes which people have Ibs when taking Tequin. It is created by eHealthMe based on reports of 4,643 people who have side effects when taking Tequin from the FDA, and is updated regularly.

What is Tequin?

Tequin has active ingredients of gatifloxacin. eHealthMe is studying from 4,645 Tequin users. Check the latest studies of Tequin.

What is Ibs?

Ibs (irritable bowel syndrome -chronic abdominal pain, discomfort, bloating) is found to be associated with 1,288 drugs and 2,079 conditions by eHealthMe. Check the latest studies of Ibs.

On Jan, 10, 2026

4,643 people reported to have side effects when taking Tequin.
Among them, 17 people (0.37%) have Ibs.

Among these 17 people:

What is the gender of people who have Ibs when taking Tequin? *

female: 35.29 %
male: 64.71 %

What is the age of people who have Ibs when taking Tequin? *

What are other drugs people take besides Tequin? *

Vicodin: 14 people, 82.35%
Advair Diskus 100/50: 13 people, 76.47%
Singulair: 12 people, 70.59%
Zoloft: 12 people, 70.59%
Zithromax: 12 people, 70.59%
Xanax: 12 people, 70.59%
Librax: 11 people, 64.71%
Hydrocodone Bitartrate And Acetaminophen: 11 people, 64.71%
Ibuprofen: 11 people, 64.71%
Clotrimazole: 11 people, 64.71%

What are other side effects people have besides Ibs? *

Joint Pain: 14 people, 82.35%
Weakness: 14 people, 82.35%
Fatigue (feeling of tiredness): 14 people, 82.35%
Injury: 14 people, 82.35%
Nausea (feeling of having an urge to vomit): 14 people, 82.35%
Swallowing Difficulty: 13 people, 76.47%
Constipation: 13 people, 76.47%
Weight Decreased: 13 people, 76.47%
Pain: 13 people, 76.47%
Abdominal Distension: 13 people, 76.47%

What are the existing conditions these people have? *

Constipation: 11 people, 64.71%
Acne (skin problems that cause pimples): 4 people, 23.53%
Pain: 3 people, 17.65%
Sinusitis (inflammation of sinus): 2 people, 11.76%
Laryngitis (inflammation of the larynx): 2 people, 11.76%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 11.76%
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 2 people, 11.76%
Birth Control: 2 people, 11.76%
Generalized Anxiety Disorder (excessive, uncontrollable, unexplained and often irrational worry): 1 person, 5.88%
Bulimia (eating disorder): 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Tequin and have Ibs?

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Related studies:

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

Tequin (4,645 reports)

Ibs treatments and more:

Ibs (49,234 reports)

Browse all side effects of Tequin:

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 Ibs:

Ibs (1,288 drugs)

Browse all the conditions that are associated with Ibs:

Ibs (2,079 conditions)

How the study uses the data?

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