Synagis and Thrombosis - a phase IV clinical study of FDA data

Summary:

Thrombosis is reported as a side effect among people who take Synagis (palivizumab), especially for people who are male, 0-1 old, have been taking the drug for < 1 month also take Lovenox, and have Premature baby.

The phase IV clinical study analyzes which people have Thrombosis when taking Synagis. It is created by eHealthMe based on reports of 19,108 people who have side effects when taking Synagis from the FDA, and is updated regularly.

What is Synagis?

Synagis has active ingredients of palivizumab. eHealthMe is studying from 19,114 Synagis users. Check the latest studies of Synagis.

What is Thrombosis?

Thrombosis (formation of a blood clot inside a blood vessel) is found to be associated with 1,809 drugs and 2,052 conditions by eHealthMe. Check the latest studies of Thrombosis.

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, 27, 2026

19,108 people reported to have side effects when taking Synagis.
Among them, 29 people (0.15%) have Thrombosis.

Among these 29 people:

How long have people been on Synagis when they have Thrombosis? *

What is the gender of people who have Thrombosis when taking Synagis? *

female: 44.83 %
male: 55.17 %

What is the age of people who have Thrombosis when taking Synagis? *

What are other drugs people take besides Synagis? *

Lovenox: 6 people, 20.69%
Ampicillin Sodium: 4 people, 13.79%
Gentamicin Sulfate: 4 people, 13.79%
Phytonadione: 4 people, 13.79%
Nalbuphine: 4 people, 13.79%
Furosemide: 3 people, 10.34%
Albuterol Sulfate: 3 people, 10.34%
Famotidine: 3 people, 10.34%
Erythromycin Ethylsuccinate: 2 people, 6.90%
Lansoprazole: 2 people, 6.90%

What are other side effects people have besides Thrombosis? *

Sepsis (a severe blood infection that can lead to organ failure and death): 6 people, 20.69%
Fatigue (feeling of tiredness): 5 people, 17.24%
Thrombocytopenia (decrease of platelets in blood): 5 people, 17.24%
White Blood Cell Count Abnormal: 4 people, 13.79%
Nausea And Vomiting: 4 people, 13.79%
Mental Retardation (problems with learning and developing): 4 people, 13.79%
Irritability: 4 people, 13.79%
Iridocele: 4 people, 13.79%
Intraventricular Haemorrhage (intraventricular bleeding): 4 people, 13.79%
Hypoacusis (loss of hearing): 4 people, 13.79%

What are the existing conditions these people have? *

Premature Baby: 6 people, 20.69%
Respiratory Syncytial Virus Bronchiolitis (a lower respiratory tract infection due to virus): 2 people, 6.90%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 2 people, 6.90%
Musculoskeletal Disorder (disease of the body's muscles, joints, tendons, ligaments and nerves): 2 people, 6.90%
Heart Disease: 2 people, 6.90%
Respiratory Syncytial Virus Infection (viral disease of respiratory system): 1 person, 3.45%
Respiratory Distress (difficulty in breathing): 1 person, 3.45%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 1 person, 3.45%
Neonatal Respiratory Failure (a life-threatening condition in which respiratory function is inadequate to maintain the body's need for oxygen supply and carbon dioxide removal while at rest): 1 person, 3.45%
Diabetes: 1 person, 3.45%

* Approximation only. Some reports may have incomplete information.

Do you take Synagis and have Thrombosis?

- Check whether Thrombosis 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 Synagis:

Synagis (19,114 reports)

Thrombosis treatments and more:

Thrombosis (115,528 reports)

Browse all side effects of Synagis:

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 Thrombosis:

Thrombosis (1,809 drugs)

Browse all the conditions that are associated with Thrombosis:

Thrombosis (2,052 conditions)

How the study uses the data?

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