Lopurin and Fatigue - a phase IV clinical study of FDA data


Fatigue is found among people who take Lopurin, especially for people who are male, 60+ old, have been taking the drug for < 1 month.

The phase IV clinical study analyzes which people take Lopurin and have Fatigue. It is created by eHealthMe based on reports of 164,084 people who have side effects when taking Lopurin from the FDA, 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.

On Aug, 03, 2023

164,084 people reported to have side effects when taking Lopurin.
Among them, 9,573 people (5.83%) have Fatigue.

What is Lopurin?

Lopurin has active ingredients of allopurinol. It is often used in gout. eHealthMe is studying from 166,598 Lopurin users for its effectiveness, alternative drugs and more.

What is Fatigue?

Fatigue (feeling of tiredness) is found to be associated with 5,453 drugs and 6,217 conditions by eHealthMe.

Number of Lopurin and Fatigue reports submitted per year:

Could Lopurin cause Fatigue?

Time on Lopurin when people have Fatigue *:

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Gender of people who have Fatigue when taking Lopurin*:

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Age of people who have Fatigue when taking Lopurin *:

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Common drugs people take besides Lopurin *:

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Common side effects people have besides Fatigue *:

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Common conditions people have *:

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* Approximation only. Some reports may have incomplete information.

Do you take Lopurin and have Fatigue?

Check whether Fatigue is associated with a drug or a condition

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 publications that referenced our studies

Related studies

How severe was Fatigue and when was it recovered:

Expand to all the drugs that have ingredients of allopurinol:

Alternative drugs to, pros and cons of Lopurin:

Common Lopurin side effects:

Browse all side effects of Lopurin:

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Fatigue treatments and more:

COVID vaccines that are related to Fatigue:

Common drugs associated with Fatigue:

All the drugs that are associated with Fatigue:

Common conditions associated with Fatigue:

All the conditions that are associated with Fatigue:

How the study uses the data?

The study uses data from the FDA. It is based on allopurinol (the active ingredients of Lopurin) and Lopurin (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 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: 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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