Tequin and Feeling abnormal - a phase IV clinical study of FDA data

Summary:

Feeling abnormal is reported as a side effect among people who take Tequin (gatifloxacin), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Levaquin, and have Sinusitis.

The phase IV clinical study analyzes which people have Feeling abnormal 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 Feeling abnormal?

Feeling abnormal is found to be associated with 2,948 drugs and 3,334 conditions by eHealthMe. Check the latest studies of Feeling abnormal.

On Jan, 20, 2026

4,643 people reported to have side effects when taking Tequin.
Among them, 65 people (1.4%) have Feeling abnormal.

Among these 65 people:

* Approximation only. Some reports may have incomplete information.

Do you take Tequin and have Feeling abnormal?

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Related studies:

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

Tequin (4,645 reports)

Feeling abnormal treatments and more:

Feeling abnormal (276,628 reports)

How severe was Feeling abnormal and when was it recovered:

Feeling abnormal in Tequin

Expand to all the drugs that have ingredients of gatifloxacin:

Feeling abnormal and drugs with ingredients of gatifloxacin

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+

Common Tequin side effects:

Tequin side effect: Pain (252 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

Common drugs associated with Feeling abnormal:

Browse all the drugs that are associated with Feeling abnormal:

Feeling abnormal (2,948 drugs)

Common conditions associated with Feeling abnormal:

Multiple sclerosis: 15,624 reports
Depression: 13,096 reports
Antidepressant therapy: 13,063 reports
Rheumatoid arthritis: 12,084 reports
Hypertension: 10,949 reports
Blood pressure increased: 10,917 reports
Pain: 10,830 reports
Alternative medicine - pain relief: 10,777 reports
Anxiety: 8,040 reports
Apprehension: 8,033 reports

Browse all the conditions that are associated with Feeling abnormal:

Feeling abnormal (3,334 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.