Relistor and Fall - a phase IV clinical study of FDA data

Summary:

Fall is reported as a side effect among people who take Relistor (methylnaltrexone bromide), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Cymbalta, and have Constipation.

The phase IV clinical study analyzes which people have Fall when taking Relistor. It is created by eHealthMe based on reports of 1,647 people who have side effects when taking Relistor from the FDA, and is updated regularly.

What is Relistor?

Relistor has active ingredients of methylnaltrexone bromide. eHealthMe is studying from 1,659 Relistor users. Check the latest studies of Relistor.

What is Fall?

Fall is found to be associated with 3,273 drugs and 3,757 conditions by eHealthMe. Check the latest studies of Fall.



On Jun, 21, 2026

1,647 people reported to have side effects when taking Relistor.
Among them, 50 people (3.04%) have Fall.

Could Relistor cause Fall?

Among these 50 people:

How long have people been on Relistor when they have Fall? *

  • < 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 %

What is the gender of people who have Fall when taking Relistor? *

  • female: 76 %
  • male: 24 %

What is the age of people who have Fall when taking Relistor? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 2.22 %
  • 20-29: 0.0 %
  • 30-39: 2.22 %
  • 40-49: 26.67 %
  • 50-59: 26.67 %
  • 60+: 42.22 %

What are other drugs people take besides Relistor? *

  1. Lyrica: 17 people, 34.00%
  2. Cymbalta: 17 people, 34.00%
  3. Topamax: 14 people, 28.00%
  4. Norco: 12 people, 24.00%
  5. Oxycodone: 12 people, 24.00%
  6. Nuvigil: 11 people, 22.00%
  7. Percocet: 10 people, 20.00%
  8. Xyrem: 10 people, 20.00%
  9. Lunesta: 9 people, 18.00%
  10. Vitamin D3: 9 people, 18.00%

What are other side effects people have besides Fall? *

  1. Urinary Tract Infection: 15 people, 30.00%
  2. Back Pain: 15 people, 30.00%
  3. Diarrhea: 13 people, 26.00%
  4. Joint Pain: 12 people, 24.00%
  5. Feeling Abnormal: 12 people, 24.00%
  6. Weakness: 11 people, 22.00%
  7. Weight Decreased: 10 people, 20.00%
  8. Abdominal Pain Upper: 9 people, 18.00%
  9. Grand Mal Convulsion (a type of generalized seizure that affects the entire brain): 9 people, 18.00%
  10. Oedema Peripheral (superficial swelling): 8 people, 16.00%

What are the existing conditions these people have? *

  1. Constipation: 18 people, 36.00%
  2. Pain: 12 people, 24.00%
  3. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 10 people, 20.00%
  4. Petit Mal Epilepsy (absence seizure): 9 people, 18.00%
  5. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 9 people, 18.00%
  6. Stress And Anxiety: 8 people, 16.00%
  7. Muscle Spasms (muscle contraction): 7 people, 14.00%
  8. Quit Smoking: 5 people, 10.00%
  9. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 5 people, 10.00%
  10. Nausea (feeling of having an urge to vomit): 5 people, 10.00%

* Approximation only. Some reports may have incomplete information.

Do you take Relistor and have Fall?

- Check whether Fall 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 Relistor:

Fall treatments and more:

  • Fall (403,513 reports)

How severe was Fall and when was it recovered:

Expand to all the drugs that have ingredients of methylnaltrexone bromide:

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 Relistor:

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 Fall:

  • Fall (3,273 drugs)

Browse all the conditions that are associated with Fall:

  • Fall (3,757 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on methylnaltrexone bromide (the active ingredients of Relistor) and Relistor (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.



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