Fentanyl transdermal system and Thrombosis - a phase IV clinical study of FDA data

Summary:

Thrombosis is reported as a side effect among people who take Fentanyl transdermal system (fentanyl), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Duragesic-100, and have Depression.

The phase IV clinical study analyzes which people have Thrombosis when taking Fentanyl transdermal system. It is created by eHealthMe based on reports of 5,639 people who have side effects when taking Fentanyl transdermal system from the FDA, and is updated regularly.

What is Fentanyl transdermal system?

Fentanyl transdermal system has active ingredients of fentanyl. It is often used in pain. eHealthMe is studying from 5,728 Fentanyl transdermal system users. Check the latest studies of Fentanyl transdermal system.

What is Thrombosis?

Thrombosis (formation of a blood clot inside a blood vessel) is found to be associated with 1,810 drugs and 2,051 conditions by eHealthMe. Check the latest studies of Thrombosis.



On Jul, 17, 2026

5,639 people reported to have side effects when taking Fentanyl transdermal system.
Among them, 38 people (0.67%) have Thrombosis.

Could Fentanyl transdermal system cause Thrombosis?

Among these 38 people:

How long have people been on Fentanyl transdermal system when they have Thrombosis? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 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 Thrombosis when taking Fentanyl transdermal system? *

  • female: 57.89 %
  • male: 42.11 %

What is the age of people who have Thrombosis when taking Fentanyl transdermal system? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 4.55 %
  • 20-29: 0.0 %
  • 30-39: 4.55 %
  • 40-49: 4.55 %
  • 50-59: 45.45 %
  • 60+: 40.91 %

What are other drugs people take besides Fentanyl transdermal system? *

  1. Duragesic-100: 10 people, 26.32%
  2. Lyrica: 4 people, 10.53%
  3. Zoloft: 4 people, 10.53%
  4. Omeprazole: 4 people, 10.53%
  5. Lisinopril: 4 people, 10.53%
  6. Neurontin: 4 people, 10.53%
  7. Baclofen: 4 people, 10.53%
  8. Cymbalta: 3 people, 7.89%
  9. Protonix: 3 people, 7.89%
  10. Coumadin: 3 people, 7.89%

What are other side effects people have besides Thrombosis? *

  1. Drug Ineffective: 6 people, 15.79%
  2. Weight Decreased: 6 people, 15.79%
  3. Dyspnea (difficult or laboured breathing): 5 people, 13.16%
  4. Nausea (feeling of having an urge to vomit): 5 people, 13.16%
  5. Withdrawal Syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance): 4 people, 10.53%
  6. Pulmonary Embolism (blockage of the main artery of the lung): 4 people, 10.53%
  7. Fall: 4 people, 10.53%
  8. Oedema Peripheral (superficial swelling): 4 people, 10.53%
  9. Pneumonia: 4 people, 10.53%
  10. High Blood Pressure: 4 people, 10.53%

What are the existing conditions these people have? *

  1. Depression: 7 people, 18.42%
  2. Muscle Spasms (muscle contraction): 5 people, 13.16%
  3. Breakthrough Pain: 5 people, 13.16%
  4. Osteoporosis (bones weak and more likely to break): 4 people, 10.53%
  5. High Blood Pressure: 4 people, 10.53%
  6. Nervousness: 3 people, 7.89%
  7. Arthritis (form of joint disorder that involves inflammation of one or more joints): 2 people, 5.26%
  8. Diabetes: 2 people, 5.26%
  9. Fibromyalgia (a long-term condition which causes pain all over the body): 2 people, 5.26%
  10. Gastric Disorder (disease of stomach): 2 people, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Fentanyl transdermal system 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 Fentanyl transdermal system:

Thrombosis treatments and more:

How severe was Thrombosis and when was it recovered:

Expand to all the drugs that have ingredients of fentanyl:

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 Fentanyl transdermal system:

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:

Browse all the conditions that are associated with Thrombosis:


How the study uses the data?

The study uses data from the FDA. It is based on fentanyl (the active ingredients of Fentanyl transdermal system) and Fentanyl transdermal system (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.

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