Letrozole and Ulcer - a phase IV clinical study of FDA data

Summary:

Ulcer is reported as a side effect among people who take Letrozole (letrozole), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Ibrance, and have Breast cancer female.

The phase IV clinical study analyzes which people have Ulcer when taking Letrozole. It is created by eHealthMe based on reports of 53,470 people who have side effects when taking Letrozole from the FDA, and is updated regularly.

What is Letrozole?

Letrozole has active ingredients of letrozole. It is often used in breast cancer. eHealthMe is studying from 54,122 Letrozole users. Check the latest studies of Letrozole.

What is Ulcer?

Ulcer is found to be associated with 2,695 drugs and 3,341 conditions by eHealthMe. Check the latest studies of Ulcer.

On Oct, 03, 2025

53,470 people reported to have side effects when taking Letrozole.
Among them, 139 people (0.26%) have Ulcer.

Among these 139 people:

How long have people been on Letrozole when they have Ulcer? *

What is the gender of people who have Ulcer when taking Letrozole? *

female: 100 %
male: 0.0 %

What is the age of people who have Ulcer when taking Letrozole? *

What are other drugs people take besides Letrozole? *

What are other side effects people have besides Ulcer? *

Fatigue (feeling of tiredness): 31 people, 22.30%
Nausea (feeling of having an urge to vomit): 28 people, 20.14%
Abdominal Pain Upper: 26 people, 18.71%
Nausea And Vomiting: 26 people, 18.71%
Neoplasm Progression (growth of tumour): 24 people, 17.27%
Urinary Tract Infection: 24 people, 17.27%
Joint Pain: 22 people, 15.83%
Cough: 20 people, 14.39%
Haemorrhage (bleeding): 20 people, 14.39%
White Blood Cell Count Decreased: 20 people, 14.39%

What are the existing conditions these people have? *

Breast Cancer Female: 14 people, 10.07%
High Blood Pressure: 11 people, 7.91%
Breast Cancer Stage Iv: 6 people, 4.32%
Leukopenia (less number of white blood cells in blood): 5 people, 3.60%
Breast Pain: 4 people, 2.88%
Pain: 4 people, 2.88%
Bone Loss: 4 people, 2.88%
Breast Enlargement: 4 people, 2.88%
Infertility: 4 people, 2.88%
Metastases To Bone (cancer spreads to bone): 3 people, 2.16%

* Approximation only. Some reports may have incomplete information.

Do you take Letrozole and have Ulcer?

- Check whether Ulcer 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 Letrozole:

Letrozole (54,122 reports)

Ulcer treatments and more:

Ulcer (113,570 reports)

Common Letrozole side effects:

Browse all side effects of Letrozole:

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

Common drugs associated with Ulcer:

Aspirin side effect: Ulcer (4,680 reports)
Prednisone side effect: Ulcer (4,508 reports)
Methotrexate side effect: Ulcer (3,829 reports)
Humira side effect: Ulcer (3,538 reports)
Vioxx side effect: Ulcer (3,183 reports)
Profen side effect: Ulcer (3,021 reports)
Ibu side effect: Ulcer (3,008 reports)
Ibuprofen side effect: Ulcer (3,004 reports)
Fosamax side effect: Ulcer (2,526 reports)
Enbrel side effect: Ulcer (2,436 reports)

Browse all the drugs that are associated with Ulcer:

Ulcer (2,695 drugs)

Common conditions associated with Ulcer:

Browse all the conditions that are associated with Ulcer:

Ulcer (3,341 conditions)

Drugs similar to Letrozole and Ulcer :

How the study uses the data?

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