Tylenol w/ codeine and Tendonitis - a phase IV clinical study of FDA data

Summary:

Tendonitis is reported as a side effect among people who take Tylenol w/ codeine (acetaminophen; codeine phosphate), especially for people who are female, 40-49 old, also take Zometa, and have Metastases to bone.

The phase IV clinical study analyzes which people have Tendonitis when taking Tylenol w/ codeine. It is created by eHealthMe based on reports of 7,307 people who have side effects when taking Tylenol w/ codeine from the FDA, and is updated regularly.

What is Tylenol w/ codeine?

Tylenol w/ codeine has active ingredients of acetaminophen; codeine phosphate. It is often used in pain. eHealthMe is studying from 8,107 Tylenol w/ codeine users. Check the latest studies of Tylenol w/ codeine.

What is Tendonitis?

Tendonitis (a condition that causes pain and swelling of tendons) is found to be associated with 1,098 drugs and 1,272 conditions by eHealthMe. Check the latest studies of Tendonitis.

On Jul, 11, 2026

7,307 people reported to have side effects when taking Tylenol w/ codeine.
Among them, 44 people (0.6%) have Tendonitis.

Could Tylenol w/ codeine cause Tendonitis?

Among these 44 people:

What is the gender of people who have Tendonitis when taking Tylenol w/ codeine? *

female: 77.27 %
male: 22.73 %

What is the age of people who have Tendonitis when taking Tylenol w/ codeine? *

What are other drugs people take besides Tylenol w/ codeine? *

What are other side effects people have besides Tendonitis? *

Chest Pain: 23 people, 52.27%
Fall: 23 people, 52.27%
Joint Pain: 17 people, 38.64%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 16 people, 36.36%
Headache (pain in head): 16 people, 36.36%
Fatigue (feeling of tiredness): 16 people, 36.36%
Pain In Extremity: 16 people, 36.36%
High Blood Pressure: 15 people, 34.09%
Muscle Spasms (muscle contraction): 15 people, 34.09%
Intervertebral Disc Degeneration (spinal disc degeneration): 14 people, 31.82%

What are the existing conditions these people have? *

Metastases To Bone (cancer spreads to bone): 13 people, 29.55%
Birth Control: 11 people, 25.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 10 people, 22.73%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 8 people, 18.18%
Joint Pain: 7 people, 15.91%
Stress And Anxiety: 5 people, 11.36%
Breast Cancer: 4 people, 9.09%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 2 people, 4.55%
Depression: 2 people, 4.55%
Bipolar Disorder (mood disorder): 2 people, 4.55%

* Approximation only. Some reports may have incomplete information.

Do you take Tylenol w/ codeine and have Tendonitis?

- Check whether Tendonitis 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 w/ codeine:

Tylenol w/ codeine (8,107 reports)

Tendonitis treatments and more:

Tendonitis (23,484 reports)

How severe was Tendonitis and when was it recovered:

Tendonitis in Tylenol w/ codeine

Expand to all the drugs that have ingredients of acetaminophen; codeine phosphate:

Tendonitis and drugs with ingredients of acetaminophen; codeine phosphate (126 reports)

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 w/ codeine:

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 Tendonitis:

Tendonitis (1,098 drugs)

Browse all the conditions that are associated with Tendonitis:

Tendonitis (1,272 conditions)

How the study uses the data?

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