Noroxin and Hypersensitivity - a phase IV clinical study of FDA data

Summary:

Hypersensitivity is reported as a side effect among people who take Noroxin (norfloxacin), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Polaramine, and have Birth control.

The phase IV clinical study analyzes which people have Hypersensitivity when taking Noroxin. It is created by eHealthMe based on reports of 1,655 people who have side effects when taking Noroxin from the FDA, and is updated regularly.

What is Noroxin?

Noroxin has active ingredients of norfloxacin. It is often used in urinary tract infection. eHealthMe is studying from 1,675 Noroxin users. Check the latest studies of Noroxin.

What is Hypersensitivity?

Hypersensitivity is found to be associated with 2,751 drugs and 2,915 conditions by eHealthMe. Check the latest studies of Hypersensitivity.

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, 28, 2026

1,655 people reported to have side effects when taking Noroxin.
Among them, 18 people (1.09%) have Hypersensitivity.

Among these 18 people:

How long have people been on Noroxin when they have Hypersensitivity? *

What is the gender of people who have Hypersensitivity when taking Noroxin? *

female: 83.33 %
male: 16.67 %

What is the age of people who have Hypersensitivity when taking Noroxin? *

What are other drugs people take besides Noroxin? *

What are other side effects people have besides Hypersensitivity? *

Fever: 5 people, 27.78%
Rashes (redness): 5 people, 27.78%
Eosinophilia (eosinophil count in the peripheral blood exceeds): 4 people, 22.22%
Itching: 4 people, 22.22%
Oedema Peripheral (superficial swelling): 4 people, 22.22%
Drug Rash With Eosinophilia And Systemic Symptoms (adverse drug reactions with rash): 3 people, 16.67%
Anaemia (lack of blood): 3 people, 16.67%
Rash Maculo-Papular (red area on the skin that is covered with small confluent bumps): 3 people, 16.67%
Lymph Follicular Hypertrophy (an increase in the size of the lymph node follicles): 3 people, 16.67%
Fainting (loss of consciousness and postural tone): 2 people, 11.11%

What are the existing conditions these people have? *

Osteoporosis (bones weak and more likely to break): 2 people, 11.11%
Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 2 people, 11.11%
Birth Control: 2 people, 11.11%
Local Anaesthesia: 1 person, 5.56%
Irritable Bowel Syndrome: 1 person, 5.56%
Dermo-Hypodermitis (skin and subcutaneous tissue bacterial infections): 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Noroxin and have Hypersensitivity?

- Check whether Hypersensitivity 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 Noroxin:

Noroxin (1,675 reports)

Hypersensitivity treatments and more:

Hypersensitivity (272,618 reports)

Browse all side effects of Noroxin:

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 Hypersensitivity:

Hypersensitivity (2,751 drugs)

Browse all the conditions that are associated with Hypersensitivity:

Hypersensitivity (2,915 conditions)

How the study uses the data?

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