Ultomiris and Constipation - a phase IV clinical study of FDA data

Summary:

Constipation is reported as a side effect among people who take Ultomiris (ravulizumab-cwvz), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Letrozole, and have Paroxysmal nocturnal haemoglobinuria.

The phase IV clinical study analyzes which people have Constipation when taking Ultomiris. It is created by eHealthMe based on reports of 5,773 people who have side effects when taking Ultomiris from the FDA, and is updated regularly.

What is Ultomiris?

Ultomiris has active ingredients of ravulizumab-cwvz. eHealthMe is studying from 5,775 Ultomiris users. Check the latest studies of Ultomiris.

What is Constipation?

Constipation is found to be associated with 3,003 drugs and 4,606 conditions by eHealthMe. Check the latest studies of Constipation.

On Jun, 23, 2026

5,773 people reported to have side effects when taking Ultomiris.
Among them, 19 people (0.33%) have Constipation.

Among these 19 people:

How long have people been on Ultomiris when they have Constipation? *

What is the gender of people who have Constipation when taking Ultomiris? *

female: 47.37 %
male: 52.63 %

What is the age of people who have Constipation when taking Ultomiris? *

What are other drugs people take besides Ultomiris? *

What are other side effects people have besides Constipation? *

Insomnia (sleeplessness): 7 people, 36.84%
Fatigue (feeling of tiredness): 7 people, 36.84%
Paroxysmal Nocturnal Haemoglobinuria (haemoglobin in the urine): 6 people, 31.58%
Bacterial Sepsis: 5 people, 26.32%
Urinary Tract Infection: 4 people, 21.05%
Hepatic Function Abnormal: 4 people, 21.05%
Renal Mass (mass in kidney): 4 people, 21.05%
Rashes (redness): 4 people, 21.05%
Productive Cough: 4 people, 21.05%
Dyspnea (difficult or laboured breathing): 4 people, 21.05%

What are the existing conditions these people have? *

Paroxysmal Nocturnal Haemoglobinuria (haemoglobin in the urine): 11 people, 57.89%
Enlarged Prostate: 7 people, 36.84%
Hyperuricaemia (level of uric acid in the blood that is abnormally high): 6 people, 31.58%
Myasthenia Gravis (a chronic condition that causes muscles to tire and weaken easily): 3 people, 15.79%
Breast Cancer: 3 people, 15.79%
Blood Uric Acid Increased: 3 people, 15.79%
Bacterial Sepsis: 3 people, 15.79%
Fever: 2 people, 10.53%
Pericardial Effusion (fluid around the heart): 1 person, 5.26%
Pain: 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Ultomiris and have Constipation?

- Check whether Constipation 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 Ultomiris:

Ultomiris (5,775 reports)

Constipation treatments and more:

Constipation (337,878 reports)

Browse all side effects of Ultomiris:

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 Constipation:

Constipation (3,003 drugs)

Browse all the conditions that are associated with Constipation:

Constipation (4,606 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on ravulizumab-cwvz (the active ingredients of Ultomiris) and Ultomiris (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.