Zosyn and Failure to thrive - a phase IV clinical study of FDA data

Summary:

Failure to thrive is reported as a side effect among people who take Zosyn (piperacillin sodium; tazobactam sodium), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Dexamethasone, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Failure to thrive when taking Zosyn. It is created by eHealthMe based on reports of 10,175 people who have side effects when taking Zosyn from the FDA, and is updated regularly.

What is Zosyn?

Zosyn has active ingredients of piperacillin sodium; tazobactam sodium. It is often used in pneumonia. eHealthMe is studying from 10,236 Zosyn users. Check the latest studies of Zosyn.

What is Failure to thrive?

Failure to thrive (inadequate weight gain and physical growth in children) is found to be associated with 770 drugs and 1,168 conditions by eHealthMe. Check the latest studies of Failure to thrive.

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, 11, 2026

10,175 people reported to have side effects when taking Zosyn.
Among them, 33 people (0.32%) have Failure to thrive.

Among these 33 people:

How long have people been on Zosyn when they have Failure to thrive? *

What is the gender of people who have Failure to thrive when taking Zosyn? *

female: 31.25 %
male: 68.75 %

What is the age of people who have Failure to thrive when taking Zosyn? *

What are other drugs people take besides Zosyn? *

What are other side effects people have besides Failure to thrive? *

Weight Decreased: 16 people, 48.48%
Weakness: 16 people, 48.48%
Joint Pain: 15 people, 45.45%
Back Pain: 15 people, 45.45%
Hypotension (abnormally low blood pressure): 15 people, 45.45%
Fatigue (feeling of tiredness): 14 people, 42.42%
Stress And Anxiety: 14 people, 42.42%
Constipation: 14 people, 42.42%
Anaemia (lack of blood): 14 people, 42.42%
High Blood Pressure: 13 people, 39.39%

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 7 people, 21.21%
Metastases To Bone (cancer spreads to bone): 5 people, 15.15%
Nausea (feeling of having an urge to vomit): 4 people, 12.12%
Anaemia (lack of blood): 3 people, 9.09%
Constipation: 3 people, 9.09%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 9.09%
Oropharyngeal Pain: 3 people, 9.09%
Lambert-Eaton Syndrome (this means your immune system mistakenly targets healthy cells and tissues in the body): 3 people, 9.09%
Thrombocytopenia (decrease of platelets in blood): 2 people, 6.06%
Dermatitis Acneiform (dermatoses including acne vulgaris, rosacea, folliculitis, and perioral dermatitis): 2 people, 6.06%

* Approximation only. Some reports may have incomplete information.

Do you take Zosyn and have Failure to thrive?

- Check whether Failure to thrive 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 Zosyn:

Zosyn (10,236 reports)

Failure to thrive treatments and more:

Failure to thrive (8,077 reports)

How severe was Failure to thrive and when was it recovered:

Failure to thrive in Zosyn

Expand to all the drugs that have ingredients of piperacillin sodium; tazobactam sodium:

Failure to thrive and drugs with ingredients of piperacillin sodium; tazobactam sodium

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Zosyn:

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 Failure to thrive:

Failure to thrive (770 drugs)

Browse all the conditions that are associated with Failure to thrive:

Failure to thrive (1,168 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on piperacillin sodium; tazobactam sodium (the active ingredients of Zosyn) and Zosyn (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.