Premarin and Vitreous floaters - a phase IV clinical study of FDA data

Summary:

Vitreous floaters is reported as a side effect among people who take Premarin (estrogens, conjugated), especially for people who are female, 60+ old, have been taking the drug for 5 - 10 years also take Aredia, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Vitreous floaters when taking Premarin. It is created by eHealthMe based on reports of 98,531 people who have side effects when taking Premarin from the FDA, and is updated regularly.

What is Premarin?

Premarin has active ingredients of estrogens, conjugated. It is often used in hormone replacement therapy. eHealthMe is studying from 99,630 Premarin users. Check the latest studies of Premarin.

What is Vitreous floaters?

Vitreous floaters (spots before the eyes) is found to be associated with 834 drugs and 838 conditions by eHealthMe. Check the latest studies of Vitreous floaters.

On Jul, 19, 2026

98,531 people reported to have side effects when taking Premarin.
Among them, 118 people (0.12%) have Vitreous floaters.

Among these 118 people:

* Approximation only. Some reports may have incomplete information.

Do you take Premarin and have Vitreous floaters?

- Check whether Vitreous floaters 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 Premarin:

Premarin (99,630 reports)

Vitreous floaters treatments and more:

Vitreous floaters (10,893 reports)

How severe was Vitreous floaters and when was it recovered:

Vitreous floaters in Premarin

Expand to all the drugs that have ingredients of estrogens, conjugated:

Vitreous floaters and drugs with ingredients of estrogens, conjugated (118 reports)

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Premarin:

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 Vitreous floaters:

Vitreous floaters (834 drugs)

Browse all the conditions that are associated with Vitreous floaters:

Vitreous floaters (838 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on estrogens, conjugated (the active ingredients of Premarin) and Premarin (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.