Cyclophosphamide and Ulcer haemorrhage - a phase IV clinical study of FDA data

Summary:

Ulcer haemorrhage is reported as a side effect among people who take Cyclophosphamide (cyclophosphamide), especially for people who are male, 60+ old, also take Ciclosporin, and have Bone marrow conditioning regimen.

The phase IV clinical study analyzes which people have Ulcer haemorrhage when taking Cyclophosphamide. It is created by eHealthMe based on reports of 185,094 people who have side effects when taking Cyclophosphamide from the FDA, and is updated regularly.

What is Cyclophosphamide?

Cyclophosphamide has active ingredients of cyclophosphamide. It is often used in multiple myeloma. eHealthMe is studying from 185,240 Cyclophosphamide users. Check the latest studies of Cyclophosphamide.

What is Ulcer haemorrhage?

Ulcer haemorrhage (bleeding ulcer) is found to be associated with 601 drugs and 1,054 conditions by eHealthMe. Check the latest studies of Ulcer 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, 30, 2026

185,094 people reported to have side effects when taking Cyclophosphamide.
Among them, 15 people (0.01%) have Ulcer haemorrhage.

Could Cyclophosphamide cause Ulcer haemorrhage?

Among these 15 people:

What is the gender of people who have Ulcer haemorrhage when taking Cyclophosphamide? *

female: 50 %
male: 50 %

What is the age of people who have Ulcer haemorrhage when taking Cyclophosphamide? *

What are other drugs people take besides Cyclophosphamide? *

Ciclosporin: 5 people, 33.33%
Methotrexate: 3 people, 20.00%
Mycophenolate Mofetil: 2 people, 13.33%
Vincristine Sulfate: 1 person, 6.67%
Doxorubicin Hydrochloride: 1 person, 6.67%
Adriamycin Pfs: 1 person, 6.67%
Amphotericin B: 1 person, 6.67%
Azathioprine: 1 person, 6.67%
Bortezomib: 1 person, 6.67%
Cyclosporine: 1 person, 6.67%

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

Drug Ineffective: 6 people, 40.00%
Acute Graft Versus Host Disease In Skin (acute complication on skin following an allogeneic tissue/blood transplant): 5 people, 33.33%
Lymphopenia (an abnormally low level of lymphocytes in the blood): 4 people, 26.67%
Hypogammaglobulinaemia (an abnormally low concentration of gamma globulin in the blood and increased risk of infection): 4 people, 26.67%
Bronchopulmonary Aspergillosis (lung disorder caused by aspergillus fungi): 4 people, 26.67%
Gastrointestinal Haemorrhage (bleeding gastrointestinal tract): 4 people, 26.67%
Cystitis Haemorrhagic (blood in the urine and painful voiding): 4 people, 26.67%
Cytomegalovirus Test Positive: 2 people, 13.33%
Pneumonia: 2 people, 13.33%
Thrombocytopenia (decrease of platelets in blood): 2 people, 13.33%

What are the existing conditions these people have? *

Bone Marrow Conditioning Regimen: 5 people, 33.33%
Dermatomyositis (inflammation of the skin and underlying muscle tissue, typically occurring as an autoimmune condition or associated with internal cancer): 2 people, 13.33%
Non-Hodgkin's Lymphoma (malignant (cancer) cells form in the lymph system): 1 person, 6.67%
Interstitial Lung Disease: 1 person, 6.67%
Idiopathic Thrombocytopenic Purpura (Itp) (bleeding disorder in which the immune system destroys platelets, which are necessary for normal blood clotting): 1 person, 6.67%
Haemorrhage (bleeding): 1 person, 6.67%
Cryoglobulinaemia (blood contains large amounts of cryoglobulins - proteins): 1 person, 6.67%
Breast Cancer Metastatic: 1 person, 6.67%
Breast Cancer: 1 person, 6.67%
B Precursor Type Acute Leukaemia (lymphoid cancer): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Cyclophosphamide and have Ulcer haemorrhage?

- Check whether Ulcer 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 Cyclophosphamide:

Cyclophosphamide (185,240 reports)

Browse all side effects of Cyclophosphamide:

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 Ulcer haemorrhage:

Ulcer haemorrhage (601 drugs)

Browse all the conditions that are associated with Ulcer haemorrhage:

Ulcer haemorrhage (1,054 conditions)

Related publications that referenced our studies

Hu P, Lu L, Hu B, Deng F, Fei WJ, "Cyclophosphamide‐Induced Hypertensive Encephalopathy in a Young Girl With Lupus", The Journal of Clinical Hypertension, 2012 Apr .
Hu P, Lu L, Hu B, Deng F, Fei WJ, "Cyclophosphamide‐Induced Hypertensive Encephalopathy in a Young Girl With Lupus", The Journal of Clinical Hypertension, 2012 Apr .

How the study uses the data?

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