Acephen and Osteoarthritis - a phase IV clinical study of FDA data

Summary:

Osteoarthritis is reported as a side effect among people who take Acephen (acetaminophen), especially for people who are female, 60+ old, also take Proventil, and have Muscle spasms.

The phase IV clinical study analyzes which people have Osteoarthritis when taking Acephen. It is created by eHealthMe based on reports of 85 people who have side effects when taking Acephen from the FDA, and is updated regularly.

What is Acephen?

Acephen has active ingredients of acetaminophen. eHealthMe is studying from 91 Acephen users. Check the latest studies of Acephen.

What is Osteoarthritis?

Osteoarthritis (a joint disease caused by cartilage loss in a joint) is found to be associated with 1,877 drugs and 2,645 conditions by eHealthMe. Check the latest studies of Osteoarthritis.

On Jul, 14, 2026

85 people reported to have side effects when taking Acephen.
Among them, 19 people (22.35%) have Osteoarthritis.

Among these 19 people:

What is the gender of people who have Osteoarthritis when taking Acephen? *

female: 100 %
male: 0.0 %

What is the age of people who have Osteoarthritis when taking Acephen? *

What are other drugs people take besides Acephen? *

What are other side effects people have besides Osteoarthritis? *

Injury: 16 people, 84.21%
Gait Disturbance: 16 people, 84.21%
Pain: 16 people, 84.21%
Osteonecrosis Of Jaw (death of bone of jaw): 16 people, 84.21%
Metastases To Bone (cancer spreads to bone): 16 people, 84.21%
Kyphosis (a condition of over-curvature of the thoracic vertebrae (upper back)): 16 people, 84.21%
Hot Flush (sudden feelings of heat): 16 people, 84.21%
Hiatal Hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm): 16 people, 84.21%
Disability: 16 people, 84.21%
Renal Cyst (kidney cyst): 16 people, 84.21%

What are the existing conditions these people have? *

Constipation: 18 people, 94.74%
Muscle Spasms (muscle contraction): 18 people, 94.74%
Breast Cancer: 16 people, 84.21%
Breast Cancer Metastatic: 16 people, 84.21%
Metastases To Bone (cancer spreads to bone): 16 people, 84.21%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 15.79%
Stress And Anxiety: 2 people, 10.53%
Gastric Disorder (disease of stomach): 2 people, 10.53%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 2 people, 10.53%
Diarrhea: 2 people, 10.53%

* Approximation only. Some reports may have incomplete information.

Do you take Acephen and have Osteoarthritis?

- Check whether Osteoarthritis 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 Acephen:

Acephen (91 reports)

Osteoarthritis treatments and more:

Osteoarthritis (95,654 reports)

Browse all side effects of Acephen:

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 Osteoarthritis:

Osteoarthritis (1,877 drugs)

Browse all the conditions that are associated with Osteoarthritis:

Osteoarthritis (2,645 conditions)

How the study uses the data?

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