Reglan and Melaena - a phase IV clinical study of FDA data

Summary:

Melaena is reported as a side effect among people who take Reglan (metoclopramide hydrochloride), especially for people who are female, 60+ old, have been taking the drug for 2 - 5 years also take Prilosec, and have Indigestion.

The phase IV clinical study analyzes which people have Melaena when taking Reglan. It is created by eHealthMe based on reports of 28,854 people who have side effects when taking Reglan from the FDA, and is updated regularly.

What is Reglan?

Reglan has active ingredients of metoclopramide hydrochloride. It is often used in gastroparesis. eHealthMe is studying from 29,455 Reglan users. Check the latest studies of Reglan.

What is Melaena?

Melaena (the passage of black, tarry stools) is found to be associated with 1,303 drugs and 1,475 conditions by eHealthMe. Check the latest studies of Melaena.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 02, 2026

28,854 people reported to have side effects when taking Reglan.
Among them, 51 people (0.18%) have Melaena.

Among these 51 people:

How long have people been on Reglan when they have Melaena? *

What is the gender of people who have Melaena when taking Reglan? *

female: 54.9 %
male: 45.1 %

What is the age of people who have Melaena when taking Reglan? *

What are other drugs people take besides Reglan? *

What are other side effects people have besides Melaena? *

Anaemia (lack of blood): 17 people, 33.33%
Fever: 14 people, 27.45%
Weakness: 13 people, 25.49%
Abdominal Pain: 12 people, 23.53%
Stress And Anxiety: 10 people, 19.61%
Gastrointestinal Haemorrhage (bleeding gastrointestinal tract): 10 people, 19.61%
Abdominal Distension: 9 people, 17.65%
Fatigue (feeling of tiredness): 9 people, 17.65%
Pain: 9 people, 17.65%
Constipation: 9 people, 17.65%

What are the existing conditions these people have? *

Indigestion: 3 people, 5.88%
Gout (uric acid crystals building up in the body): 2 people, 3.92%
Nausea And Vomiting: 2 people, 3.92%
Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 2 people, 3.92%
High Blood Pressure: 2 people, 3.92%
Constipation: 2 people, 3.92%
Multiple Myeloma (cancer of the plasma cells): 2 people, 3.92%
Pain: 2 people, 3.92%
Agitation (state of anxiety or nervous excitement): 2 people, 3.92%
Birth Control: 1 person, 1.96%

* Approximation only. Some reports may have incomplete information.

Do you take Reglan and have Melaena?

- Check whether Melaena is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Reglan:

Reglan (29,455 reports)

Melaena treatments and more:

Melaena (29,850 reports)

Browse all side effects of Reglan:

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 z

Browse all the drugs that are associated with Melaena:

Melaena (1,303 drugs)

Browse all the conditions that are associated with Melaena:

Melaena (1,475 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on metoclopramide hydrochloride (the active ingredients of Reglan) and Reglan (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.

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.

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.