Zmax and Dyspnea - a phase IV clinical study of FDA data

Summary:

Dyspnea is reported as a side effect among people who take Zmax (azithromycin), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Omeprazole, and have Sinusitis.

The phase IV clinical study analyzes which people have Dyspnea when taking Zmax. It is created by eHealthMe based on reports of 289 people who have side effects when taking Zmax from the FDA, and is updated regularly.

What is Zmax?

Zmax has active ingredients of azithromycin. It is often used in bronchitis. eHealthMe is studying from 317 Zmax users. Check the latest studies of Zmax.

What is Dyspnea?

Dyspnea (difficult or laboured breathing) is found to be associated with 3,724 drugs and 6,067 conditions by eHealthMe. Check the latest studies of Dyspnea.

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 Sep, 01, 2026

289 people reported to have side effects when taking Zmax.
Among them, 17 people (5.88%) have Dyspnea.

Among these 17 people:

How long have people been on Zmax when they have Dyspnea? *

What is the gender of people who have Dyspnea when taking Zmax? *

female: 64.71 %
male: 35.29 %

What is the age of people who have Dyspnea when taking Zmax? *

What are other drugs people take besides Zmax? *

What are other side effects people have besides Dyspnea? *

Nausea (feeling of having an urge to vomit): 7 people, 41.18%
Diarrhea: 7 people, 41.18%
Nausea And Vomiting: 6 people, 35.29%
Headache (pain in head): 5 people, 29.41%
Cough: 4 people, 23.53%
Drug Ineffective: 4 people, 23.53%
Vision Blurred: 3 people, 17.65%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 3 people, 17.65%
Feeling Hot: 3 people, 17.65%
Hyperhidrosis (abnormally increased sweating): 3 people, 17.65%

What are the existing conditions these people have? *

Sinusitis (inflammation of sinus): 4 people, 23.53%
Upper Respiratory Tract Infection: 3 people, 17.65%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 5.88%
Pneumonia: 1 person, 5.88%
Pharyngolaryngeal Pain: 1 person, 5.88%
Pharyngitis (inflammation of the pharynx, causing a sore throat): 1 person, 5.88%
Lymph Follicular Hypertrophy (an increase in the size of the lymph node follicles): 1 person, 5.88%
Lung Infection: 1 person, 5.88%
Ill-Defined Disorder: 1 person, 5.88%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Zmax and have Dyspnea?

- Check whether Dyspnea 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 Zmax:

Zmax (317 reports)

Dyspnea treatments and more:

Dyspnea (661,578 reports)

Browse all side effects of Zmax:

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 Dyspnea:

Dyspnea (3,724 drugs)

Browse all the conditions that are associated with Dyspnea:

Dyspnea (6,067 conditions)

How the study uses the data?

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