Metaxalone vs. Tylenol w/ codeine no. 2: side effect and effectiveness comparison - a phase IV clinical study
Summary:
We compare the side effects and drug effectiveness of Metaxalone and Tylenol w/ codeine no. 2. The phase IV clinical study is created by eHealthMe based on reports (from sources including the FDA) of 55,020 people who take Metaxalone and Tylenol w/ codeine no. 2, and is updated regularly. You can use the study as a second opinion to make health care decisions.
Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
55,020 people who take Metaxalone and Tylenol w/ codeine no. 2 are studied.
What is Metaxalone?
Metaxalone has active ingredients of metaxalone. It is often used in back pain. eHealthMe is studying from 4,096 Metaxalone users for its effectiveness, alternative drugs and more.
What is Tylenol w/ codeine no. 2?
Tylenol w/ codeine no. 2 has active ingredients of acetaminophen; codeine phosphate. It is often used in back pain. eHealthMe is studying from 151 Tylenol w/ codeine no. 2 users for its effectiveness, alternative drugs and more.
Number of reports submitted per year:

Drugs being compared in this study:
- Metaxalone (metaxalone)
- Tylenol W/ Codeine No. 2 (acetaminophen; codeine phosphate)
Most common side effects of the drugs, overall:
Most common side effects of the drugs, in long term (1+ years) use:
Drug effectiveness:
Metaxalone:
- not at all: 4.02 %
- somewhat: 35.7 %
- moderate: 36.64 %
- high: 18.44 %
- very high: 5.2 %
Tylenol W/ Codeine No. 2:
- not at all: 3.79 %
- somewhat: 27.02 %
- moderate: 39.46 %
- high: 22.74 %
- very high: 7.0 %
Want to compare Metaxalone with Tylenol w/ codeine no. 2?
Personalize this study to your gender and age (0-99+).How to use the study?
You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.
Related studies
Alternative drugs to, pros and cons of:
- Metaxalone (3,929 reports)
- Tylenol w/ codeine no. 2 (131 reports)
Common Metaxalone side effects:
- Fatigue (feeling of tiredness): 277 reports
- Pain: 263 reports
- Drug ineffective: 251 reports
- Headache (pain in head): 236 reports
- Stress and anxiety: 175 reports
- High blood pressure: 174 reports
Browse all side effects of Metaxalone:
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 zHow the study uses the data?
The study is based on metaxalone and acetaminophen; codeine phosphate (the active ingredients of Metaxalone and Tylenol w/ codeine no. 2, respectively). Other drugs that have the same active ingredients (e.g. generic drugs or brand names) are also considered. Dosage of drugs is not considered in the study.
Who is eHealthMe?
With medical big data and proven AI 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 600+ 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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