Cytoxan and Cardio-respiratory arrest - a phase IV clinical study of FDA data

Summary:

Cardio-respiratory arrest is reported as a side effect among people who take Cytoxan (cyclophosphamide), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Rituxan, and have Constipation.

The phase IV clinical study analyzes which people have Cardio-respiratory arrest when taking Cytoxan. It is created by eHealthMe based on reports of 19,522 people who have side effects when taking Cytoxan from the FDA, and is updated regularly.

What is Cytoxan?

Cytoxan has active ingredients of cyclophosphamide. It is often used in breast cancer. eHealthMe is studying from 19,693 Cytoxan users. Check the latest studies of Cytoxan.

What is Cardio-respiratory arrest?

Cardio-respiratory arrest (sudden dysfunction of heart and lungs) is found to be associated with 1,647 drugs and 1,767 conditions by eHealthMe. Check the latest studies of Cardio-respiratory arrest.

On Jul, 12, 2026

19,522 people reported to have side effects when taking Cytoxan.
Among them, 49 people (0.25%) have Cardio-respiratory arrest.

Could Cytoxan cause Cardio-respiratory arrest?

Among these 49 people:

How long have people been on Cytoxan when they have Cardio-respiratory arrest? *

What is the gender of people who have Cardio-respiratory arrest when taking Cytoxan? *

female: 55.1 %
male: 44.9 %

What is the age of people who have Cardio-respiratory arrest when taking Cytoxan? *

What are other drugs people take besides Cytoxan? *

What are other side effects people have besides Cardio-respiratory arrest? *

Acute Kidney Failure: 9 people, 18.37%
Depression: 7 people, 14.29%
Cardiac Failure Congestive: 6 people, 12.24%
Dyspnea (difficult or laboured breathing): 6 people, 12.24%
Acute Coronary Syndrome (acute chest pain and other symptoms that happen because the heart does not get blood): 5 people, 10.20%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 5 people, 10.20%
Pulmonary Embolism (blockage of the main artery of the lung): 5 people, 10.20%
Interstitial Nephritis (inflammation of the kidney): 5 people, 10.20%
Hypertensive Cardiomegaly (enlarged heart due to hypertension): 5 people, 10.20%
Ventricular Hypertrophy (enlargement of ventricles (lower chambers) in the heart): 5 people, 10.20%

What are the existing conditions these people have? *

Nausea (feeling of having an urge to vomit): 5 people, 10.20%
Constipation: 5 people, 10.20%
Gastrointestinal Disorder (functional problems of gastrointestinal tract): 3 people, 6.12%
Bipolar I Disorder (mood disorder that is characterized by at least one manic or mixed episode): 3 people, 6.12%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 3 people, 6.12%
Lymphoma (cancer that begins in immune system cells): 3 people, 6.12%
Flatulence (flatus expelled through the anus): 3 people, 6.12%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 6.12%
Vasculitis (inflammation of a blood vessel or blood vessels): 2 people, 4.08%
Bipolar Disorder (mood disorder): 2 people, 4.08%

* Approximation only. Some reports may have incomplete information.

Do you take Cytoxan and have Cardio-respiratory arrest?

- Check whether Cardio-respiratory arrest 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 Cytoxan:

Cytoxan (19,693 reports)

Browse all side effects of Cytoxan:

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 Cardio-respiratory arrest:

Cardio-respiratory arrest (1,647 drugs)

Browse all the conditions that are associated with Cardio-respiratory arrest:

Cardio-respiratory arrest (1,767 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 Cytoxan) and Cytoxan (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.