Metformin and Drowsiness - a phase IV clinical study of FDA data
Summary:
We study 395,495 people who have side effects when taking Metformin. Drowsiness is found, especially among people who are female, 60+ old, have been taking the drug for < 1 month, also take Lyrica and have High blood pressure.
The phase IV clinical study analyzes which people take Metformin and have Drowsiness. It is created by eHealthMe based on reports from the FDA, and is updated regularly. You may 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 700+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
395,495 people reported to have side effects when taking Metformin.
Among them, 6,419 people (1.62%) have Drowsiness.
What is Metformin?
Metformin has active ingredients of metformin hydrochloride. It is used in diabetes. Currently, eHealthMe is studying from 440,868 Metformin users.
What is Drowsiness?
Drowsiness is found to be associated with 4,362 drugs and 4,663 conditions by eHealthMe. Currently, we are studying 251,682 people who have Drowsiness.
Number of Metformin and Drowsiness reports submitted per year:

Time on Metformin when people have Drowsiness *:
Gender of people who have Drowsiness when taking Metformin*:
Age of people who have Drowsiness when taking Metformin *:
Common drugs people take besides Metformin *:
Common side effects people have besides Drowsiness *:
Common conditions people have *:
* Approximation only. Some reports may have incomplete information.
Do you take Metformin and have Drowsiness?
Check whether Drowsiness is associated with a drug or a conditionHow 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 publications that referenced our studies
- T.Audi Yanto, I.Huang, F.Nathania Kosasih, NP Hardjo Lugito, "Nightmare and Abnormal Dreams: Rare Side Effects of Metformin?", Case Reports in Endocrinology, 2018 Jan .
- Al-Hamdy RA, "Assessment of electrolytes and HbA1c in type 2 diabetic patients using metformin and evaluation of guidelines obedience regarding renal impairment", J.Thi-Qar Sci., 2015 Jan .
- Wiwanitkit S, Wiwanitkit V, "Metformin and sleep disorders", Indian journal of endocrinology and metabolism, 2012 Jan .
Related studies
Metformin side effects by duration, gender and age:
- Metformin side effects (440,868 reports)
Drowsiness treatments and more:
- Drowsiness (251,682 reports)
Common drugs associated with Drowsiness:
- Lyrica: 11,761 reports
- Aspirin: 8,204 reports
- Gabapentin: 7,912 reports
- Prednisone: 7,618 reports
- Metformin: 6,419 reports
- Omeprazole: 6,073 reports
- Cymbalta: 5,537 reports
- Clonazepam: 5,428 reports
- Amlodipine: 5,320 reports
- Seroquel: 5,250 reports
All the drugs that are associated with Drowsiness:
- Drowsiness (4,362 drugs)
Common conditions associated with Drowsiness:
- Pain: 11,757 reports
- Depression: 11,192 reports
- Multiple sclerosis: 8,578 reports
- High blood pressure: 8,449 reports
All the conditions that are associated with Drowsiness:
- Drowsiness (4,663 conditions)
How the study uses the data?
The study uses data from the FDA. It is based on metformin hydrochloride (the active ingredients of Metformin) and Metformin (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.
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 700+ 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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