Azelastine and Neoplasm progression - a phase IV clinical study of FDA data

Summary:

Neoplasm progression is reported as a side effect among people who take Azelastine (azelastine hydrochloride), especially for people who are female, 60+ old, also take Ibrance, and have Hypersensitivity.

The phase IV clinical study analyzes which people have Neoplasm progression when taking Azelastine. It is created by eHealthMe based on reports of 17,147 people who have side effects when taking Azelastine from the FDA, and is updated regularly.

What is Azelastine?

Azelastine has active ingredients of azelastine hydrochloride. It is often used in allergies. eHealthMe is studying from 17,400 Azelastine users. Check the latest studies of Azelastine.

What is Neoplasm progression?

Neoplasm progression (growth of tumour) is found to be associated with 1,066 drugs and 915 conditions by eHealthMe. Check the latest studies of Neoplasm progression.

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 Aug, 14, 2026

17,147 people reported to have side effects when taking Azelastine.
Among them, 20 people (0.12%) have Neoplasm progression.

Could Azelastine cause Neoplasm progression?

Among these 20 people:

What is the gender of people who have Neoplasm progression when taking Azelastine? *

female: 100 %
male: 0.0 %

What is the age of people who have Neoplasm progression when taking Azelastine? *

What are other drugs people take besides Azelastine? *

Ibrance: 14 people, 70.00%
Acetaminophen: 7 people, 35.00%
Biotin: 7 people, 35.00%
Synthroid: 7 people, 35.00%
Diphenhydramine Hydrochloride: 6 people, 30.00%
Gabapentin: 5 people, 25.00%
Alprazolam: 4 people, 20.00%
Vancomycin Hydrochloride: 4 people, 20.00%
Prednisone: 4 people, 20.00%
Prolia: 4 people, 20.00%

What are other side effects people have besides Neoplasm progression? *

Fatigue (feeling of tiredness): 10 people, 50.00%
Pain: 8 people, 40.00%
Weight Decreased: 8 people, 40.00%
Nausea (feeling of having an urge to vomit): 8 people, 40.00%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 7 people, 35.00%
Eating Disorder: 7 people, 35.00%
White Blood Cell Count Decreased: 6 people, 30.00%
Diarrhea: 6 people, 30.00%
Indigestion: 6 people, 30.00%
Abdominal Discomfort: 6 people, 30.00%

What are the existing conditions these people have? *

Breast Cancer Female: 4 people, 20.00%
Breast Cancer Metastatic: 4 people, 20.00%
Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 4 people, 20.00%
Hypersensitivity: 4 people, 20.00%
Thyroid Diseases: 3 people, 15.00%
Pain: 3 people, 15.00%
Indigestion: 2 people, 10.00%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 2 people, 10.00%
Cardiac Disorder: 2 people, 10.00%
Breast Cancer Stage Iv: 2 people, 10.00%

* Approximation only. Some reports may have incomplete information.

Do you take Azelastine and have Neoplasm progression?

- Check whether Neoplasm progression 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 Azelastine:

Azelastine (17,400 reports)

Browse all side effects of Azelastine:

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 Neoplasm progression:

Neoplasm progression (1,066 drugs)

Browse all the conditions that are associated with Neoplasm progression:

Neoplasm progression (915 conditions)

How the study uses the data?

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