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Tylenol and Cerebral oedema - a phase IV clinical study of FDA data

Summary:

Cerebral oedema is reported as a side effect among people who take Tylenol (acetaminophen), especially for people who are male, 30-39 old, also take Ibuprofen, and have Blood growth hormone decreased.

The phase IV clinical study analyzes which people have Cerebral oedema when taking Tylenol. It is created by eHealthMe based on reports of 217,809 people who have side effects when taking Tylenol from the FDA, and is updated regularly.

What is Tylenol?

Tylenol has active ingredients of acetaminophen. It is often used in pain. eHealthMe is studying from 222,309 Tylenol users. Check the latest studies of Tylenol.

What is Cerebral oedema?

Cerebral oedema (swelling of brain) is found to be associated with 197 drugs and 50 conditions by eHealthMe. Check the latest studies of Cerebral oedema.

On Jul, 11, 2026

217,809 people reported to have side effects when taking Tylenol.
Among them, 32 people (0.01%) have Cerebral oedema.

Could Tylenol cause Cerebral oedema?

Among these 32 people:

What is the gender of people who have Cerebral oedema when taking Tylenol? *

  • female: 50 %
  • male: 50 %

What is the age of people who have Cerebral oedema when taking Tylenol? *

  • 0-1: 3.33 %
  • 2-9: 6.67 %
  • 10-19: 6.67 %
  • 20-29: 6.67 %
  • 30-39: 53.33 %
  • 40-49: 10.0 %
  • 50-59: 6.67 %
  • 60+: 6.67 %

What are other drugs people take besides Tylenol? *

  1. Ibuprofen: 4 people, 12.50%
  2. Viramune: 3 people, 9.38%
  3. Amoxicillin: 3 people, 9.38%
  4. Lamivudine: 3 people, 9.38%
  5. Stavudine: 3 people, 9.38%
  6. Colace: 2 people, 6.25%
  7. Ceftin: 2 people, 6.25%
  8. Dilantin: 2 people, 6.25%
  9. Diflucan: 2 people, 6.25%
  10. Prevacid: 2 people, 6.25%

What are other side effects people have besides Cerebral oedema? *

  1. Hepatic Failure (liver failure): 14 people, 43.75%
  2. Fever: 7 people, 21.88%
  3. Hepatic Necrosis (large portions of liver die off due to severe liver disease): 7 people, 21.88%
  4. Fatigue (feeling of tiredness): 7 people, 21.88%
  5. Liver Function Tests Nos Abnormal: 6 people, 18.75%
  6. Nausea (feeling of having an urge to vomit): 6 people, 18.75%
  7. Acute Kidney Failure: 5 people, 15.62%
  8. Hepatorenal Syndrome (renal failure in patients with advanced chronic liver disease): 5 people, 15.62%
  9. Malaise (a feeling of general discomfort or uneasiness): 5 people, 15.62%
  10. Brain Herniation (brain herniation is a potentially deadly side effect of very high intracranial pressure that occurs when a part of the brain is squeezed across structures within the skull): 5 people, 15.62%

What are the existing conditions these people have? *

  1. Nasopharyngitis (inflammation of the nasopharynx): 1 person, 3.12%
  2. Blood Growth Hormone Decreased: 1 person, 3.12%

* Approximation only. Some reports may have incomplete information.

Do you take Tylenol and have Cerebral oedema?

- Check whether Cerebral oedema 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 Tylenol:

Cerebral oedema treatments and more:

How severe was Cerebral oedema and when was it recovered:

Expand to all the drugs that have ingredients of acetaminophen:

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 Tylenol:

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 Cerebral oedema:

Browse all the conditions that are associated with Cerebral oedema:

How the study uses the data?

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