Zovirax and Enterococcal infection - a phase IV clinical study of FDA data

Summary:

Enterococcal infection is reported as a side effect among people who take Zovirax (acyclovir sodium), especially for people who are male, 60+ old, have been taking the drug for 1 - 6 months also take Famotidine, and have Bone marrow conditioning regimen.

The phase IV clinical study analyzes which people have Enterococcal infection when taking Zovirax. It is created by eHealthMe based on reports of 8,906 people who have side effects when taking Zovirax from the FDA, and is updated regularly.

What is Zovirax?

Zovirax has active ingredients of acyclovir sodium. It is often used in genital herpes. eHealthMe is studying from 9,031 Zovirax users. Check the latest studies of Zovirax.

What is Enterococcal infection?

Enterococcal infection is found to be associated with 626 drugs and 760 conditions by eHealthMe. Check the latest studies of Enterococcal infection.

On Aug, 01, 2026

8,906 people reported to have side effects when taking Zovirax.
Among them, 21 people (0.24%) have Enterococcal infection.

Could Zovirax cause Enterococcal infection?

Among these 21 people:

How long have people been on Zovirax when they have Enterococcal infection? *

What is the gender of people who have Enterococcal infection when taking Zovirax? *

female: 40 %
male: 60 %

What is the age of people who have Enterococcal infection when taking Zovirax? *

What are other drugs people take besides Zovirax? *

What are other side effects people have besides Enterococcal infection? *

Nausea (feeling of having an urge to vomit): 11 people, 52.38%
Pain: 10 people, 47.62%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 10 people, 47.62%
Renal Impairment (severely reduced kidney function): 9 people, 42.86%
Candidiasis (candidiasis or thrush is a fungal infection): 9 people, 42.86%
Hepatic Function Abnormal: 8 people, 38.10%
Pneumonia: 8 people, 38.10%
Bone Marrow Failure: 8 people, 38.10%
Pancreatitis (inflammation of pancreas): 8 people, 38.10%
Thrombocytopenia (decrease of platelets in blood): 8 people, 38.10%

What are the existing conditions these people have? *

Bone Marrow Conditioning Regimen: 8 people, 38.10%
White Blood Cell Count Abnormal: 5 people, 23.81%
Ewing's Sarcoma Recurrent (malignant small, round, blue cell tumour- recurrent): 5 people, 23.81%
Pain: 2 people, 9.52%
Graft Versus Host Disease In Skin (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the skin): 2 people, 9.52%
Multiple Myeloma (cancer of the plasma cells): 2 people, 9.52%
Meningitis Bacterial (bacterial inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges): 1 person, 4.76%
Meningitis (inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges): 1 person, 4.76%
Malignant Melanoma (skin cancer rises from melancytes): 1 person, 4.76%
Grand Mal Convulsion (a type of generalized seizure that affects the entire brain): 1 person, 4.76%

* Approximation only. Some reports may have incomplete information.

Do you take Zovirax and have Enterococcal infection?

- Check whether Enterococcal 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 Zovirax:

Zovirax (9,031 reports)

Browse all side effects of Zovirax:

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 Enterococcal infection:

Enterococcal infection (626 drugs)

Browse all the conditions that are associated with Enterococcal infection:

Enterococcal infection (760 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on acyclovir sodium (the active ingredients of Zovirax) and Zovirax (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.