Diphen and Bk virus infection - a phase IV clinical study of FDA data

Summary:

Bk virus infection is reported as a side effect among people who take Diphen (diphenhydramine hydrochloride), especially for people who are female, 50-59 old, also take Ondansetron, and have Acute lymphocytic leukemia (all).

The phase IV clinical study analyzes which people have Bk virus infection when taking Diphen. It is created by eHealthMe based on reports of 113,958 people who have side effects when taking Diphen from the FDA, and is updated regularly.

What is Diphen?

Diphen has active ingredients of diphenhydramine hydrochloride. It is often used in insomnia. eHealthMe is studying from 115,432 Diphen users. Check the latest studies of Diphen.

What is Bk virus infection?

Bk virus infection is found to be associated with 228 drugs and 289 conditions by eHealthMe. Check the latest studies of Bk virus infection.

On Jul, 05, 2026

113,958 people reported to have side effects when taking Diphen.
Among them, 21 people (0.02%) have Bk virus infection.

Among these 21 people:

What is the gender of people who have Bk virus infection when taking Diphen? *

female: 66.67 %
male: 33.33 %

What is the age of people who have Bk virus infection when taking Diphen? *

What are other drugs people take besides Diphen? *

What are other side effects people have besides Bk virus infection? *

Cystitis Haemorrhagic (blood in the urine and painful voiding): 7 people, 33.33%
Hyperglycemia (high blood sugar): 7 people, 33.33%
Pleural Effusion (water on the lungs): 6 people, 28.57%
Febrile Neutropenia (fever with reduced white blood cells): 6 people, 28.57%
Diarrhea: 5 people, 23.81%
Tachypnea: 5 people, 23.81%
Pericardial Effusion (fluid around the heart): 5 people, 23.81%
Staphylococcal Bacteraemia (a bacterial infection of blood): 4 people, 19.05%
Streptococcal Bacteraemia (a bacterial infection of blood): 4 people, 19.05%
Hepatomegaly (abnormal enlargement of the liver): 4 people, 19.05%

What are the existing conditions these people have? *

Acute Lymphocytic Leukemia (All) (cancer of the white blood cells characterized by excess lymphoblasts): 5 people, 23.81%
Leukaemia Recurrent (repeat cancer of bone marrow or blood cells): 3 people, 14.29%
Immunodeficiency Disorders: 2 people, 9.52%
Lung Transplant Rejection (failure of lung transplant): 2 people, 9.52%
Immunodeficiency Common Variable: 1 person, 4.76%
Bladder Spasm: 1 person, 4.76%
Chronic Granulomatous Disease (immune system cells are unable to kill some types of bacteria and fungi): 1 person, 4.76%
Chronic Myeloid Leukaemia (long lasting type of cancer that starts in the blood-forming cells of the bone marrow and invades the blood): 1 person, 4.76%
Constipation: 1 person, 4.76%
Headache (pain in head): 1 person, 4.76%

* Approximation only. Some reports may have incomplete information.

Do you take Diphen and have Bk virus infection?

- Check whether Bk virus infection 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 Diphen:

Diphen (115,432 reports)

Browse all side effects of Diphen:

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 Bk virus infection:

Bk virus infection (228 drugs)

Browse all the conditions that are associated with Bk virus infection:

Bk virus infection (289 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on diphenhydramine hydrochloride (the active ingredients of Diphen) and Diphen (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.