Zyflo and Rashes - a phase IV clinical study of FDA data

Summary:

Rashes is reported as a side effect among people who take Zyflo (zileuton), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Spiriva, and have Asthma.

The phase IV clinical study analyzes which people have Rashes when taking Zyflo. It is created by eHealthMe based on reports of 979 people who have side effects when taking Zyflo from the FDA, and is updated regularly.

What is Zyflo?

Zyflo has active ingredients of zileuton. eHealthMe is studying from 1,004 Zyflo users. Check the latest studies of Zyflo.

What is Rashes?

Rashes (redness) is found to be associated with 3,712 drugs and 6,213 conditions by eHealthMe. Check the latest studies of Rashes.

On Jul, 15, 2026

979 people reported to have side effects when taking Zyflo.
Among them, 45 people (4.6%) have Rashes.

Among these 45 people:

How long have people been on Zyflo when they have Rashes? *

What is the gender of people who have Rashes when taking Zyflo? *

female: 94.74 %
male: 5.26 %

What is the age of people who have Rashes when taking Zyflo? *

What are other drugs people take besides Zyflo? *

What are other side effects people have besides Rashes? *

Urticaria (rash of round, red welts on the skin that itch intensely): 20 people, 44.44%
Chest Pain: 17 people, 37.78%
Anaphylaxis (serious allergic reaction that is rapid in onset and may cause death): 13 people, 28.89%
Itching: 7 people, 15.56%
Wheezing (a high-pitched whistling sound made while you breath): 4 people, 8.89%
Headache (pain in head): 3 people, 6.67%
Nausea (feeling of having an urge to vomit): 3 people, 6.67%
Laryngospasm (an uncontrolled/involuntary muscular contraction of larynx): 3 people, 6.67%
Hospitalisation: 3 people, 6.67%
Dyspnea (difficult or laboured breathing): 3 people, 6.67%

What are the existing conditions these people have? *

Asthma: 28 people, 62.22%
Allergic Rhinitis: 13 people, 28.89%
Hypersensitivity: 13 people, 28.89%
Hereditary Angioedema (recurrent episodes of severe swelling): 3 people, 6.67%
Angioedema (rapid swelling of the dermis): 3 people, 6.67%
Osteoporosis (bones weak and more likely to break): 2 people, 4.44%
Immunodeficiency Common Variable: 2 people, 4.44%
Sinusitis (inflammation of sinus): 2 people, 4.44%
Barrett's Oesophagus (barrett's oesophagus is a disorder in which the lining of the oesophagus (the tube that carries food from the throat to the stomach) is damaged by stomach acid and changed to a lining similar to that of the stomach): 1 person, 2.22%
Bipolar Disorder (mood disorder): 1 person, 2.22%

* Approximation only. Some reports may have incomplete information.

Do you take Zyflo and have Rashes?

- Check whether Rashes 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 Zyflo:

Zyflo (1,004 reports)

Rashes treatments and more:

Rashes (702,909 reports)

Browse all side effects of Zyflo:

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 Rashes:

Rashes (3,712 drugs)

Browse all the conditions that are associated with Rashes:

Rashes (6,213 conditions)

How the study uses the data?

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