Relenza and Fall - a phase IV clinical study of FDA data

Summary:

Fall is reported as a side effect among people who take Relenza (zanamivir), especially for people who are male, 10-19 old, have been taking the drug for < 1 month also take Ibuprofen, and have Cough.

The phase IV clinical study analyzes which people have Fall when taking Relenza. It is created by eHealthMe based on reports of 3,724 people who have side effects when taking Relenza from the FDA, and is updated regularly.

What is Relenza?

Relenza has active ingredients of zanamivir. It is often used in the flu. eHealthMe is studying from 3,738 Relenza users. Check the latest studies of Relenza.

What is Fall?

Fall is found to be associated with 3,247 drugs and 3,757 conditions by eHealthMe. Check the latest studies of Fall.

On Jul, 09, 2026

3,724 people reported to have side effects when taking Relenza.
Among them, 93 people (2.5%) have Fall.

Among these 93 people:

How long have people been on Relenza when they have Fall? *

What is the gender of people who have Fall when taking Relenza? *

female: 47.78 %
male: 52.22 %

What is the age of people who have Fall when taking Relenza? *

What are other drugs people take besides Relenza? *

Ibuprofen: 5 people, 5.38%
Allegra: 3 people, 3.23%
Voltaren: 3 people, 3.23%
Avonex: 2 people, 2.15%
Hydrocodone Bitartrate And Acetaminophen: 2 people, 2.15%
Cymbalta: 2 people, 2.15%
Chantix: 2 people, 2.15%
Lyrica: 2 people, 2.15%
Celebrex: 2 people, 2.15%
Naprelan: 2 people, 2.15%

What are other side effects people have besides Fall? *

Abnormal Behavior: 35 people, 37.63%
Loss Of Consciousness: 24 people, 25.81%
Depressed Level Of Consciousness: 17 people, 18.28%
Head Injury: 16 people, 17.20%
Altered State Of Consciousness (altered state of mind): 13 people, 13.98%
Nausea (feeling of having an urge to vomit): 11 people, 11.83%
Memory Loss: 10 people, 10.75%
Fainting (loss of consciousness and postural tone): 8 people, 8.60%
Body Temperature Increased: 6 people, 6.45%
Paleness (unusual lightness of skin colour): 6 people, 6.45%

What are the existing conditions these people have? *

Cough: 6 people, 6.45%
Fever: 4 people, 4.30%
Upper Respiratory Tract Inflammation: 3 people, 3.23%
Allergic Rhinitis: 3 people, 3.23%
Pain: 2 people, 2.15%
Gait Disturbance: 2 people, 2.15%
Rhinorrhea (watery mucus discharge from the nose): 1 person, 1.08%
Nasal Congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels): 1 person, 1.08%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 1.08%
Metastases To Bone (cancer spreads to bone): 1 person, 1.08%

* Approximation only. Some reports may have incomplete information.

Do you take Relenza and have Fall?

- Check whether Fall 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 Relenza:

Relenza (3,738 reports)

Fall treatments and more:

Fall (403,513 reports)

Browse all side effects of Relenza:

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 Fall:

Fall (3,247 drugs)

Browse all the conditions that are associated with Fall:

Fall (3,757 conditions)

How the study uses the data?

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