Floxin and Drug ineffective - a phase IV clinical study of FDA data

Summary:

Drug ineffective is reported as a side effect among people who take Floxin (ofloxacin), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Zithromax, and have Pain.

The phase IV clinical study analyzes which people have Drug ineffective when taking Floxin. It is created by eHealthMe based on reports of 1,723 people who have side effects when taking Floxin from the FDA, and is updated regularly.

What is Floxin?

Floxin has active ingredients of ofloxacin. eHealthMe is studying from 1,737 Floxin users. Check the latest studies of Floxin.

What is Drug ineffective?

Drug ineffective is found to be associated with 4,084 drugs and 5,194 conditions by eHealthMe. Check the latest studies of Drug ineffective.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 29, 2026

1,723 people reported to have side effects when taking Floxin.
Among them, 29 people (1.68%) have Drug ineffective.

Among these 29 people:

How long have people been on Floxin when they have Drug ineffective? *

What is the gender of people who have Drug ineffective when taking Floxin? *

female: 50 %
male: 50 %

What is the age of people who have Drug ineffective when taking Floxin? *

What are other drugs people take besides Floxin? *

What are other side effects people have besides Drug ineffective? *

Pain: 7 people, 24.14%
Nausea (feeling of having an urge to vomit): 6 people, 20.69%
Weakness: 5 people, 17.24%
Back Pain: 5 people, 17.24%
Malaise (a feeling of general discomfort or uneasiness): 5 people, 17.24%
Dizziness: 5 people, 17.24%
Fatigue (feeling of tiredness): 5 people, 17.24%
Drug Withdrawal Syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation): 4 people, 13.79%
Muscle Spasms (muscle contraction): 4 people, 13.79%
Insomnia (sleeplessness): 4 people, 13.79%

What are the existing conditions these people have? *

Pain: 3 people, 10.34%
Otitis Externa (external ear infection): 2 people, 6.90%
Trismus (reduced opening of the jaws): 1 person, 3.45%
Prostatitis (inflammation of the prostate gland): 1 person, 3.45%
Multiple Myeloma (cancer of the plasma cells): 1 person, 3.45%
Herpes Zoster: 1 person, 3.45%
Ear Pain: 1 person, 3.45%
Asthma: 1 person, 3.45%
Acromegaly (body produces too much growth hormone, leading to excess growth of body tissues): 1 person, 3.45%

* Approximation only. Some reports may have incomplete information.

Do you take Floxin and have Drug ineffective?

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Related studies:

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

Floxin (1,737 reports)

Drug ineffective treatments and more:

Drug ineffective (1,349,510 reports)

Browse all side effects of Floxin:

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 Drug ineffective:

Drug ineffective (4,084 drugs)

Browse all the conditions that are associated with Drug ineffective:

Drug ineffective (5,194 conditions)

How the study uses the data?

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