Prevymis and Diarrhea - a phase IV clinical study of FDA data

Summary:

Diarrhea is reported as a side effect among people who take Prevymis (letermovir), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Valtrex, and have Fungal infection.

The phase IV clinical study analyzes which people have Diarrhea when taking Prevymis. It is created by eHealthMe based on reports of 1,327 people who have side effects when taking Prevymis from the FDA, and is updated regularly.

What is Prevymis?

Prevymis has active ingredients of letermovir. eHealthMe is studying from 1,328 Prevymis users. Check the latest studies of Prevymis.

What is Diarrhea?

Diarrhea is found to be associated with 3,730 drugs and 5,750 conditions by eHealthMe. Check the latest studies of Diarrhea.

On Jul, 09, 2026

1,327 people reported to have side effects when taking Prevymis.
Among them, 24 people (1.81%) have Diarrhea.

Among these 24 people:

How long have people been on Prevymis when they have Diarrhea? *

What is the gender of people who have Diarrhea when taking Prevymis? *

female: 58.82 %
male: 41.18 %

What is the age of people who have Diarrhea when taking Prevymis? *

What are other drugs people take besides Prevymis? *

What are other side effects people have besides Diarrhea? *

Fever: 5 people, 20.83%
Nausea (feeling of having an urge to vomit): 5 people, 20.83%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 4 people, 16.67%
Alanine Aminotransferase Increased: 3 people, 12.50%
High Blood Pressure: 3 people, 12.50%
Constipation: 3 people, 12.50%
Sepsis (a severe blood infection that can lead to organ failure and death): 3 people, 12.50%
Nausea And Vomiting: 3 people, 12.50%
Febrile Neutropenia (fever with reduced white blood cells): 3 people, 12.50%
Thrombocytopenia (decrease of platelets in blood): 3 people, 12.50%

What are the existing conditions these people have? *

Fungal Infection: 4 people, 16.67%
Graft Versus Host Disease (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the body): 3 people, 12.50%
Acute Lymphocytic Leukemia (All) (cancer of the white blood cells characterized by excess lymphoblasts): 3 people, 12.50%
Neoplasm Malignant (cancer tumour): 2 people, 8.33%
High Blood Pressure: 2 people, 8.33%
Nausea (feeling of having an urge to vomit): 2 people, 8.33%
Bone Marrow Conditioning Regimen: 2 people, 8.33%
Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 2 people, 8.33%
Sepsis (a severe blood infection that can lead to organ failure and death): 2 people, 8.33%
Transplant Rejection (a transplant material is not worked): 2 people, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Prevymis and have Diarrhea?

- Check whether Diarrhea 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 Prevymis:

Prevymis (1,328 reports)

Diarrhea treatments and more:

Diarrhea (756,290 reports)

Browse all side effects of Prevymis:

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 Diarrhea:

Diarrhea (3,730 drugs)

Browse all the conditions that are associated with Diarrhea:

Diarrhea (5,750 conditions)

How the study uses the data?

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