Prozac and Breast hyperplasia - a phase IV clinical study of FDA data

Summary:

Breast hyperplasia is reported as a side effect among people who take Prozac (fluoxetine hydrochloride), especially for people who are 50-59 old, also take Premarin, and have Menopause.

The phase IV clinical study analyzes which people have Breast hyperplasia when taking Prozac. It is created by eHealthMe based on reports of 74,788 people who have side effects when taking Prozac from the FDA, and is updated regularly.

What is Prozac?

Prozac has active ingredients of fluoxetine hydrochloride. It is often used in depression. eHealthMe is studying from 82,988 Prozac users. Check the latest studies of Prozac.

What is Breast hyperplasia?

Breast hyperplasia (accumulation of abnormal cells in a breast duct) is found to be associated with 122 drugs and 196 conditions by eHealthMe. Check the latest studies of Breast hyperplasia.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 01, 2026

74,788 people reported to have side effects when taking Prozac.
Among them, 13 people (0.02%) have Breast hyperplasia.

Among these 13 people:

What is the age of people who have Breast hyperplasia when taking Prozac? *

What are other drugs people take besides Prozac? *

What are other side effects people have besides Breast hyperplasia? *

Breast Lump (localized swelling that feels different from the surrounding breast tissue): 12 people, 92.31%
Osteopenia (a condition where bone mineral density is lower than normal): 11 people, 84.62%
Breast Pain: 10 people, 76.92%
Fall: 8 people, 61.54%
Arrhythmias (irregular heartbeat): 7 people, 53.85%
Atrophic Vulvovaginitis (inflammation of the vulva): 7 people, 53.85%
Breast Fibrosis (the thickening and scarring of connective tissue, usually as a result of injury in breast): 7 people, 53.85%
Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder): 7 people, 53.85%
Hypokalemia (low potassium): 7 people, 53.85%
Fibrocystic Breast Disease (a condition causing breast pain, cysts, and noncancerous breast lumps, affects many women): 7 people, 53.85%

What are the existing conditions these people have? *

Menopause (end of monthly cycles in women): 10 people, 76.92%
Sleep Disorder: 6 people, 46.15%
High Blood Pressure: 4 people, 30.77%
Menopausal Symptoms: 3 people, 23.08%
Ventricular Extrasystoles (premature cardiac contraction): 1 person, 7.69%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 1 person, 7.69%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 7.69%
Protein Urine Present: 1 person, 7.69%
Nasal Congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels): 1 person, 7.69%
Lung Disorder (lung disease): 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Prozac and have Breast hyperplasia?

- Check whether Breast hyperplasia is associated with a drug or a condition
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Related studies:

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

Prozac (82,988 reports)

Browse all side effects of Prozac:

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 Breast hyperplasia:

Breast hyperplasia (122 drugs)

Browse all the conditions that are associated with Breast hyperplasia:

Breast hyperplasia (196 conditions)

How the study uses the data?

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