Zithromax and Clostridium difficile colitis - a phase IV clinical study of FDA data

Summary:

Clostridium difficile colitis is reported as a side effect among people who take Zithromax (azithromycin), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Levaquin, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Clostridium difficile colitis when taking Zithromax. It is created by eHealthMe based on reports of 34,614 people who have side effects when taking Zithromax from the FDA, and is updated regularly.

What is Zithromax?

Zithromax has active ingredients of azithromycin. It is often used in sinusitis. eHealthMe is studying from 35,525 Zithromax users. Check the latest studies of Zithromax.

What is Clostridium difficile colitis?

Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection) is found to be associated with 1,043 drugs and 1,786 conditions by eHealthMe. Check the latest studies of Clostridium difficile colitis.

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

34,614 people reported to have side effects when taking Zithromax.
Among them, 61 people (0.18%) have Clostridium difficile colitis.

Could Zithromax cause Clostridium difficile colitis?

Among these 61 people:

How long have people been on Zithromax when they have Clostridium difficile colitis? *

What is the gender of people who have Clostridium difficile colitis when taking Zithromax? *

female: 65 %
male: 35 %

What is the age of people who have Clostridium difficile colitis when taking Zithromax? *

What are other drugs people take besides Zithromax? *

What are other side effects people have besides Clostridium difficile colitis? *

Diarrhea: 29 people, 47.54%
Weakness: 29 people, 47.54%
Pneumonia: 25 people, 40.98%
Urinary Tract Infection: 23 people, 37.70%
Dyspnea (difficult or laboured breathing): 23 people, 37.70%
Osteomyelitis (infection of bone): 23 people, 37.70%
Abdominal Pain: 22 people, 36.07%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 20 people, 32.79%
Fatigue (feeling of tiredness): 19 people, 31.15%
Osteonecrosis Of Jaw (death of bone of jaw): 19 people, 31.15%

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 14 people, 22.95%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 13 people, 21.31%
Nausea (feeling of having an urge to vomit): 7 people, 11.48%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 5 people, 8.20%
Pancreatic Carcinoma Metastatic (pancreatic cancer- metastatic): 4 people, 6.56%
Pancreatic Carcinoma (pancreatic cancer): 4 people, 6.56%
Sepsis (a severe blood infection that can lead to organ failure and death): 4 people, 6.56%
Swelling: 4 people, 6.56%
High Blood Pressure: 3 people, 4.92%
Pain: 3 people, 4.92%

* Approximation only. Some reports may have incomplete information.

Do you take Zithromax and have Clostridium difficile colitis?

- Check whether Clostridium difficile colitis 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 Zithromax:

Zithromax (35,525 reports)

Browse all side effects of Zithromax:

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 Clostridium difficile colitis:

Clostridium difficile colitis (1,043 drugs)

Browse all the conditions that are associated with Clostridium difficile colitis:

Clostridium difficile colitis (1,786 conditions)

How the study uses the data?

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