Tylenol and Caecitis - a phase IV clinical study of FDA data

Summary:

Caecitis is reported as a side effect among people who take Tylenol (acetaminophen), especially for people who are female, 30-39 old, also take Benadryl, and have Breast cancer.

The phase IV clinical study analyzes which people have Caecitis 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 222,294 Tylenol users. Check the latest studies of Tylenol.

What is Caecitis?

Caecitis (inflammation of the cecum) is found to be associated with 152 drugs and 366 conditions by eHealthMe. Check the latest studies of Caecitis.

On Oct, 19, 2025

217,809 people reported to have side effects when taking Tylenol.
Among them, 11 people (0.01%) have Caecitis.

Among these 11 people:

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

female: 72.73 %
male: 27.27 %

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

What are other drugs people take besides Tylenol? *

What are other side effects people have besides Caecitis? *

Sepsis (a severe blood infection that can lead to organ failure and death): 5 people, 45.45%
Febrile Neutropenia (fever with reduced white blood cells): 3 people, 27.27%
Thrombocytopenia (decrease of platelets in blood): 3 people, 27.27%
Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection): 3 people, 27.27%
Weakness: 3 people, 27.27%
Hypersensitivity: 3 people, 27.27%
Hypotension (abnormally low blood pressure): 3 people, 27.27%
Colitis Ischaemic (due to infection of intestine impaired blood supply to colon): 3 people, 27.27%
Pharyngolaryngeal Pain: 3 people, 27.27%
White Blood Cell Count Decreased: 2 people, 18.18%

What are the existing conditions these people have? *

Breast Cancer: 5 people, 45.45%
Nausea (feeling of having an urge to vomit): 3 people, 27.27%
Spinal Osteoarthritis (joint cartilage loss in spine): 1 person, 9.09%
Small Cell Lung Cancer Stage Unspecified (lung cancer in unknown stage): 1 person, 9.09%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 1 person, 9.09%
Acute Lymphocytic Leukemia (All) (cancer of the white blood cells characterized by excess lymphoblasts): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Tylenol and have Caecitis?

- Check whether Caecitis 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:

Tylenol (222,294 reports)

Caecitis treatments and more:

Caecitis (854 reports)

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 Caecitis:

Caecitis (152 drugs)

Browse all the conditions that are associated with Caecitis:

Caecitis (366 conditions)

Drugs similar to Tylenol and Caecitis :

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.