Azelastine and Faeces discolored - a phase IV clinical study of FDA data

Summary:

Faeces discolored is reported as a side effect among people who take Azelastine (azelastine hydrochloride), especially for people who are female, 60+ old, also take Ondansetron, and have Pain.

The phase IV clinical study analyzes which people have Faeces discolored 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 Faeces discolored?

Faeces discolored is found to be associated with 1,249 drugs and 1,831 conditions by eHealthMe. Check the latest studies of Faeces discolored.

On Jul, 26, 2026

17,147 people reported to have side effects when taking Azelastine.
Among them, 13 people (0.08%) have Faeces discolored.

Could Azelastine cause Faeces discolored?

Among these 13 people:

What is the gender of people who have Faeces discolored when taking Azelastine? *

female: 83.33 %
male: 16.67 %

What is the age of people who have Faeces discolored when taking Azelastine? *

What are other drugs people take besides Azelastine? *

What are other side effects people have besides Faeces discolored? *

Diarrhea: 7 people, 53.85%
Nausea (feeling of having an urge to vomit): 6 people, 46.15%
Weight Decreased: 5 people, 38.46%
Weakness: 5 people, 38.46%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 5 people, 38.46%
Constipation: 5 people, 38.46%
Dizziness: 5 people, 38.46%
Dyspnea (difficult or laboured breathing): 5 people, 38.46%
Abdominal Discomfort: 4 people, 30.77%
Fatigue (feeling of tiredness): 4 people, 30.77%

What are the existing conditions these people have? *

Pain: 4 people, 30.77%
Constipation: 3 people, 23.08%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 3 people, 23.08%
Flatulence (flatus expelled through the anus): 3 people, 23.08%
Nausea (feeling of having an urge to vomit): 3 people, 23.08%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 15.38%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 2 people, 15.38%
Cardiac Disorder: 1 person, 7.69%
Blood Disorder: 1 person, 7.69%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Azelastine and have Faeces discolored?

- Check whether Faeces discolored 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 Faeces discolored:

Faeces discolored (1,249 drugs)

Browse all the conditions that are associated with Faeces discolored:

Faeces discolored (1,831 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.