Lopressor vs. Potassium: side effect and effectiveness comparison - a phase IV clinical study
Summary:
We compare the side effects and drug effectiveness of Lopressor and Potassium. The phase IV clinical study is created by eHealthMe based on reports (from sources including the FDA) of 437,325 people who take Lopressor and Potassium, 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.
437,325 people who take Lopressor and Potassium are studied.
What is Lopressor?
Lopressor has active ingredients of metoprolol tartrate. It is often used in high blood pressure. eHealthMe is studying from 32,077 Lopressor users for its effectiveness, alternative drugs and more.
What is Potassium?
Potassium has active ingredients of potassium. It is often used in hypokalemia. eHealthMe is studying from 50,899 Potassium users for its effectiveness, alternative drugs and more.
Number of reports submitted per year:

Drugs being compared in this study:
- Potassium (potassium)
- Lopressor (metoprolol tartrate)
Most common side effects of the drugs, overall:
Most common side effects of the drugs, in long term (1+ years) use:
Drug effectiveness:
Lopressor:
- not at all: 1.8399999999999999 %
- somewhat: 15.26 %
- moderate: 35.24 %
- high: 36.31 %
- very high: 11.35 %
Potassium:
- not at all: 1.09 %
- somewhat: 11.64 %
- moderate: 41.82 %
- high: 35.45 %
- very high: 10.0 %
Want to compare Lopressor with Potassium?
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:
Common Lopressor side effects:
- Heart attack: 2,437 reports
- Pain: 2,279 reports
- Breathing difficulty: 2,142 reports
- High blood pressure: 2,116 reports
- Fatigue (feeling of tiredness): 2,101 reports
- Weakness: 2,094 reports
Browse all side effects of Lopressor:
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 zCommon Potassium side effects:
- Fatigue (feeling of tiredness): 4,399 reports
- Diarrhea: 4,119 reports
- Breathing difficulty: 3,460 reports
- Weakness: 2,986 reports
- Headache (pain in head): 2,655 reports
- Drug ineffective: 2,644 reports
- Pain: 2,544 reports
- Dizziness: 2,526 reports
- Pneumonia: 2,397 reports
Browse all side effects of Potassium:
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 metoprolol tartrate and potassium (the active ingredients of Lopressor and Potassium, 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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