Premarin and Precancerous cells present - a phase IV clinical study of FDA data

Summary:

Precancerous cells present 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 < 1 month also take Toprol-Xl, and have Lower respiratory tract infection.

The phase IV clinical study analyzes which people have Precancerous cells present 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 Precancerous cells present?

Precancerous cells present is found to be associated with 233 drugs and 305 conditions by eHealthMe. Check the latest studies of Precancerous cells present.

On Jan, 16, 2026

98,531 people reported to have side effects when taking Premarin.
Among them, 15 people (0.02%) have Precancerous cells present.

Could Premarin cause Precancerous cells present?

Among these 15 people:

How long have people been on Premarin when they have Precancerous cells present? *

What is the gender of people who have Precancerous cells present when taking Premarin? *

female: 100 %
male: 0.0 %

What is the age of people who have Precancerous cells present when taking Premarin? *

What are other drugs people take besides Premarin? *

Xanax: 3 people, 20.00%
Zithromax: 3 people, 20.00%
Toprol-Xl: 3 people, 20.00%
Vitamin D: 2 people, 13.33%
Humira: 2 people, 13.33%
Diflucan: 2 people, 13.33%
Zovirax: 1 person, 6.67%
Dexamethasone Sodium Phosphate: 1 person, 6.67%
Guanfacine Hydrochloride: 1 person, 6.67%
Fluorouracil: 1 person, 6.67%

What are other side effects people have besides Precancerous cells present? *

Drug Ineffective: 5 people, 33.33%
Stress And Anxiety: 4 people, 26.67%
Weight Increased: 3 people, 20.00%
Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 3 people, 20.00%
Fibromyalgia (a long-term condition which causes pain all over the body): 3 people, 20.00%
Weight Decreased: 3 people, 20.00%
Uterine Disorder: 3 people, 20.00%
Infection: 3 people, 20.00%
Bipolar Disorder (mood disorder): 3 people, 20.00%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 3 people, 20.00%

What are the existing conditions these people have? *

Lower Respiratory Tract Infection: 3 people, 20.00%
Fungal Infection: 2 people, 13.33%
Panic Disorder: 2 people, 13.33%
Vulvovaginal Dryness: 1 person, 6.67%
High Blood Pressure: 1 person, 6.67%
Atrophic Vulvovaginitis (inflammation of the vulva): 1 person, 6.67%
Back Pain: 1 person, 6.67%
Depression: 1 person, 6.67%
Diabetes: 1 person, 6.67%
Headache (pain in head): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Premarin and have Precancerous cells present?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Premarin:

Premarin (99,630 reports)

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 Precancerous cells present:

Precancerous cells present (233 drugs)

Browse all the conditions that are associated with Precancerous cells present:

Precancerous cells present (305 conditions)

Drugs similar to Premarin and Precancerous cells present :

Estradiol side effect: Precancerous cells present

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.