Mirtazapine and Intestinal haemorrhage - a phase IV clinical study of FDA data

Summary:

Intestinal haemorrhage is reported as a side effect among people who take Mirtazapine (mirtazapine), especially for people who are female, 60+ old, also take Talwin, and have Crohn's disease.

The phase IV clinical study analyzes which people have Intestinal haemorrhage when taking Mirtazapine. It is created by eHealthMe based on reports of 79,492 people who have side effects when taking Mirtazapine from the FDA, and is updated regularly.

What is Mirtazapine?

Mirtazapine has active ingredients of mirtazapine. It is often used in depression. eHealthMe is studying from 82,120 Mirtazapine users. Check the latest studies of Mirtazapine.

What is Intestinal haemorrhage?

Intestinal haemorrhage (bleeding from intestine) is found to be associated with 537 drugs and 667 conditions by eHealthMe. Check the latest studies of Intestinal haemorrhage.

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 Aug, 26, 2026

79,492 people reported to have side effects when taking Mirtazapine.
Among them, 28 people (0.04%) have Intestinal haemorrhage.

Could Mirtazapine cause Intestinal haemorrhage?

Among these 28 people:

What is the gender of people who have Intestinal haemorrhage when taking Mirtazapine? *

female: 62.96 %
male: 37.04 %

What is the age of people who have Intestinal haemorrhage when taking Mirtazapine? *

What are other drugs people take besides Mirtazapine? *

What are other side effects people have besides Intestinal haemorrhage? *

Headache (pain in head): 11 people, 39.29%
Heart Rate Decreased: 11 people, 39.29%
Nausea (feeling of having an urge to vomit): 10 people, 35.71%
Fatigue (feeling of tiredness): 10 people, 35.71%
Anaemia (lack of blood): 9 people, 32.14%
Hypotension (abnormally low blood pressure): 9 people, 32.14%
Malaise (a feeling of general discomfort or uneasiness): 9 people, 32.14%
Abdominal Pain Lower: 8 people, 28.57%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 8 people, 28.57%
Dehydration (dryness resulting from the removal of water): 8 people, 28.57%

What are the existing conditions these people have? *

Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 9 people, 32.14%
Gastrointestinal Stoma Complication (complication of an opening surgically made in digestive tract): 5 people, 17.86%
High Blood Pressure: 4 people, 14.29%
Neuroendocrine Tumor: 3 people, 10.71%
Back Pain: 3 people, 10.71%
Sleep Disorder: 3 people, 10.71%
Blood Glucose Increased: 3 people, 10.71%
Neuroendocrine Carcinoma (cancer tumour that arise from cells of the endocrine (hormonal) and nervous systems): 3 people, 10.71%
Gastritis (inflammation of stomach): 2 people, 7.14%
High Blood Cholesterol: 2 people, 7.14%

* Approximation only. Some reports may have incomplete information.

Do you take Mirtazapine and have Intestinal haemorrhage?

- Check whether Intestinal haemorrhage 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 Mirtazapine:

Mirtazapine (82,120 reports)

Browse all side effects of Mirtazapine:

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 Intestinal haemorrhage:

Intestinal haemorrhage (537 drugs)

Browse all the conditions that are associated with Intestinal haemorrhage:

Intestinal haemorrhage (667 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on mirtazapine (the active ingredients of Mirtazapine) and Mirtazapine (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.