Cod liver oil and Herpes zoster - a phase IV clinical study of FDA data

Summary:

Herpes zoster is reported as a side effect among people who take Cod liver oil (cod liver oil), especially for people who are female, 60+ old, also take Vitamin C, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Herpes zoster when taking Cod liver oil. It is created by eHealthMe based on reports of 3,522 people who have side effects when taking Cod liver oil from the FDA, and is updated regularly.

What is Cod liver oil?

Cod liver oil has active ingredients of cod liver oil. It is often used in joint pain. eHealthMe is studying from 3,636 Cod liver oil users. Check the latest studies of Cod liver oil.

What is Herpes zoster?

Herpes zoster is found to be associated with 1,823 drugs and 2,166 conditions by eHealthMe. Check the latest studies of Herpes zoster.

On Jul, 09, 2026

3,522 people reported to have side effects when taking Cod liver oil.
Among them, 61 people (1.73%) have Herpes zoster.

Could Cod liver oil cause Herpes zoster?

Among these 61 people:

What is the gender of people who have Herpes zoster when taking Cod liver oil? *

female: 94.64 %
male: 5.36 %

What is the age of people who have Herpes zoster when taking Cod liver oil? *

What are other drugs people take besides Cod liver oil? *

What are other side effects people have besides Herpes zoster? *

Diarrhea: 51 people, 83.61%
Drug Ineffective: 50 people, 81.97%
Joint Swelling: 49 people, 80.33%
Insomnia (sleeplessness): 49 people, 80.33%
Thrombocytopenia (decrease of platelets in blood): 48 people, 78.69%
White Blood Cell Count Decreased: 48 people, 78.69%
Pain In Extremity: 48 people, 78.69%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 48 people, 78.69%
Mobility Decreased (ability to move is reduced): 47 people, 77.05%
Hepatic Enzyme Abnormal: 47 people, 77.05%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 48 people, 78.69%
Diabetes: 47 people, 77.05%
High Blood Cholesterol: 10 people, 16.39%
High Blood Pressure: 8 people, 13.11%
Multiple Myeloma (cancer of the plasma cells): 4 people, 6.56%
Urinary Tract Infection: 3 people, 4.92%
Iron Deficiency Anaemia: 3 people, 4.92%
Glaucoma (increased fluid pressure in the eye with vision loss): 3 people, 4.92%
Non-Hodgkin's Lymphoma (malignant (cancer) cells form in the lymph system): 3 people, 4.92%
Dyspnea (difficult or laboured breathing): 2 people, 3.28%

* Approximation only. Some reports may have incomplete information.

Do you take Cod liver oil and have Herpes zoster?

- Check whether Herpes zoster 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 Cod liver oil:

Cod liver oil (3,636 reports)

Herpes zoster treatments and more:

Herpes zoster (88,626 reports)

Browse all side effects of Cod liver oil:

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 Herpes zoster:

Herpes zoster (1,823 drugs)

Browse all the conditions that are associated with Herpes zoster:

Herpes zoster (2,166 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on cod liver oil (the active ingredients of Cod liver oil) and Cod liver oil (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.