Synagis and Mental impairment - a phase IV clinical study of FDA data


Mental impairment is found among people who take Synagis, especially for people who are male, 0-1 old, have been taking the drug for < 1 month.

The phase IV clinical study analyzes which people take Synagis and have Mental impairment. It is created by eHealthMe based on reports of 14,655 people who have side effects when taking Synagis from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

With medical big data and AI algorithms, eHealthMe enables everyone to run phase IV clinical trial to detect adverse drug outcomes and monitor effectiveness. Our original studies have been referenced on 600+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Most recently, phase IV clinial trails for COVID 19 vaccines have been added, check here.

On Jul, 04, 2022

14,655 people reported to have side effects when taking Synagis.
Among them, 7 people (0.05%) have Mental impairment.

What is Synagis?

Synagis has active ingredients of palivizumab. eHealthMe is studying from 14,661 Synagis users for its effectiveness, alternative drugs and more.

What is Mental impairment?

Mental impairment (a condition affecting the body, perhaps through sight or hearing loss, a mobility difficulty or a health condition) is found to be associated with 1,653 drugs and 1,213 conditions by eHealthMe.

Number of Synagis and Mental impairment reports submitted per year:

Could Synagis cause Mental impairment?

Time on Synagis when people have Mental impairment *:

  • < 1 month: 66.67 %
  • 1 - 6 months: 33.33 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Mental impairment when taking Synagis *:

  • female: 42.86 %
  • male: 57.14 %

Age of people who have Mental impairment when taking Synagis *:

  • 0-1: 100 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 0.0 %

Common drugs people take besides Synagis *:

  1. Budesonide: 3 people, 42.86%
  2. Triamterene: 2 people, 28.57%
  3. Hydrochlorothiazide: 2 people, 28.57%
  4. Albuterol: 2 people, 28.57%
  5. Tysabri: 1 person, 14.29%
  6. Celexa: 1 person, 14.29%

Common side effects people have besides Mental impairment *:

  1. Paleness (unusual lightness of skin colour): 4 people, 57.14%
  2. Hypophagia (reduced food intake): 3 people, 42.86%
  3. Gastroenteritis Viral (inflammation of stomach and intestine caused by virus infection): 3 people, 42.86%
  4. Respiratory Syncytial Virus Test Positive: 3 people, 42.86%
  5. Blood Glucose Decreased: 2 people, 28.57%
  6. Fever: 2 people, 28.57%
  7. Productive Cough: 2 people, 28.57%
  8. Diarrhea: 2 people, 28.57%
  9. White Blood Cell Count Increased: 1 person, 14.29%
  10. Haemoglobin Decreased: 1 person, 14.29%

Common conditions people have *:

  1. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 14.29%
  2. Cardiac Disorder: 1 person, 14.29%
  3. Bronchopulmonary Dysplasia (chronic lung disorder in infants - enlargement of an organ or tissue by the proliferation of cells of an abnormal type): 1 person, 14.29%

* Approximation only. Some reports may have incomplete information.

Do you take Synagis and have Mental impairment?

Check whether Mental impairment is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related publications that referenced our studies

Related studies

Alternative drugs to, pros and cons of Synagis:

Mental impairment treatments and more:

COVID vaccines that are related to Mental impairment:

How severe was Mental impairment and when was it recovered:

Expand to all the drugs that have ingredients of palivizumab:

Common drugs associated with Mental impairment:

All the drugs that are associated with Mental impairment:

Common conditions associated with Mental impairment:

All the conditions that are associated with Mental impairment:

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.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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.

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