Fentanyl-50 vs. Malic acid: side effect and effectiveness comparison (a real world drug study)
Summary:
We compare the side effects and drug effectiveness of Fentanyl-50 and Malic acid. The phase IV clinical study is created by eHealthMe based on reports (from sources including the FDA) of 155,786 people who take Fentanyl-50 and Malic acid, and is updated regularly.
What is Fentanyl-50?
Fentanyl-50 has active ingredients of fentanyl. It is often used in pain. eHealthMe is studying from 332 Fentanyl-50 users. Check the latest studies of Fentanyl-50.
What is Malic acid?
Malic acid has active ingredients of alpha hydroxy acids. It is often used in fibromyalgia. eHealthMe is studying from 246 Malic acid users. Check the latest studies of Malic acid.
155,786 people who take Fentanyl-50 and Malic acid are studied.

Drugs being compared in this study:
- Fentanyl-50 (fentanyl)
- Malic Acid (alpha hydroxy acids)
Most common side effects of the drugs, overall:
Most common side effects of the drugs, in long term (1+ years) use:
Drug effectiveness:
Fentanyl-50:
- not at all: 1.9 %
- somewhat: 19.97 %
- moderate: 40.89 %
- high: 27.42 %
- very high: 9.83 %
Malic Acid:
- not at all: 0 %
- somewhat: 36.84 %
- moderate: 21.05 %
- high: 31.58 %
- very high: 10.53 %
Want to compare Fentanyl-50 with Malic acid?
- Personalize this study to your gender and age (0-99+)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.
Related studies
Alternative drugs to, pros and cons of:
- Fentanyl-50 (170 reports)
- Malic acid (229 reports)
Browse all side effects of Fentanyl-50:
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 zBrowse all side effects of Malic acid:
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 fentanyl and alpha hydroxy acids (the active ingredients of Fentanyl-50 and Malic acid, 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/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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