Femara and Vulvitis - a phase IV clinical study of FDA data

Summary:

Vulvitis is reported as a side effect among people who take Femara (letrozole), especially for people who are 60+ old, also take Mobic, and have Metastases to bone.

The phase IV clinical study analyzes which people have Vulvitis when taking Femara. It is created by eHealthMe based on reports of 19,093 people who have side effects when taking Femara from the FDA, and is updated regularly.

What is Femara?

Femara has active ingredients of letrozole. It is often used in breast cancer. eHealthMe is studying from 19,630 Femara users. Check the latest studies of Femara.

What is Vulvitis?

Vulvitis (inflammation of the vulva) is found to be associated with 53 drugs and 179 conditions by eHealthMe. Check the latest studies of Vulvitis.



On Jul, 12, 2026

19,093 people reported to have side effects when taking Femara.
Among them, 14 people (0.07%) have Vulvitis.

Could Femara cause Vulvitis?

Among these 14 people:

What is the age of people who have Vulvitis when taking Femara? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 100 %

What are other drugs people take besides Femara? *

  1. Zometa: 14 people, 100.00%
  2. Prinivil: 14 people, 100.00%
  3. Aredia: 14 people, 100.00%
  4. Coumadin: 14 people, 100.00%
  5. Meloxicam: 14 people, 100.00%
  6. Xeloda: 14 people, 100.00%
  7. Ms Contin: 14 people, 100.00%
  8. Omeprazole: 14 people, 100.00%
  9. Prilosec: 14 people, 100.00%
  10. Mobic: 14 people, 100.00%

What are other side effects people have besides Vulvitis? *

  1. Wound Infection: 14 people, 100.00%
  2. Diplopia (double vision): 14 people, 100.00%
  3. Metastases To Central Nervous System (cancer spreads to central nervous system): 14 people, 100.00%
  4. Lymph Follicular Hypertrophy (an increase in the size of the lymph node follicles): 14 people, 100.00%
  5. Indigestion: 14 people, 100.00%
  6. Impaired Gastric Emptying: 14 people, 100.00%
  7. Hypoaesthesia (reduced sense of touch or sensation): 14 people, 100.00%
  8. High Blood Cholesterol: 14 people, 100.00%
  9. Hiatal Hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm): 14 people, 100.00%
  10. Hepatic Mass: 14 people, 100.00%

What are the existing conditions these people have? *

  1. Metastases To Bone (cancer spreads to bone): 11 people, 78.57%
  2. Breast Cancer Metastatic: 4 people, 28.57%
  3. Weight Loss: 1 person, 7.14%
  4. Oesophagitis (inflammation of oesophagus): 1 person, 7.14%
  5. Gastritis (inflammation of stomach): 1 person, 7.14%

* Approximation only. Some reports may have incomplete information.

Do you take Femara and have Vulvitis?

- Check whether Vulvitis 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 Femara:

Vulvitis treatments and more:

How severe was Vulvitis and when was it recovered:

Expand to all the drugs that have ingredients of letrozole:

Sub-studies by age:

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

Browse all side effects of Femara:

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 Vulvitis:

Browse all the conditions that are associated with Vulvitis:


How the study uses the data?

The study uses data from the FDA. It is based on letrozole (the active ingredients of Femara) and Femara (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.



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