Astepro and Multiple sclerosis relapse - a phase IV clinical study of FDA data

Summary:

Multiple sclerosis relapse is reported as a side effect among people who take Astepro (azelastine hydrochloride), especially for people who are female, 50-59 old, also take Gilenya, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Multiple sclerosis relapse when taking Astepro. It is created by eHealthMe based on reports of 3,166 people who have side effects when taking Astepro from the FDA, and is updated regularly.

What is Astepro?

Astepro has active ingredients of azelastine hydrochloride. It is often used in allergies. eHealthMe is studying from 3,336 Astepro users. Check the latest studies of Astepro.

What is Multiple sclerosis relapse?

Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath) is found to be associated with 1,030 drugs and 943 conditions by eHealthMe. Check the latest studies of Multiple sclerosis relapse.

On Aug, 12, 2026

3,166 people reported to have side effects when taking Astepro.
Among them, 12 people (0.38%) have Multiple sclerosis relapse.

Could Astepro cause Multiple sclerosis relapse?

Among these 12 people:

What is the gender of people who have Multiple sclerosis relapse when taking Astepro? *

female: 91.67 %
male: 8.33 %

What is the age of people who have Multiple sclerosis relapse when taking Astepro? *

What are other drugs people take besides Astepro? *

What are other side effects people have besides Multiple sclerosis relapse? *

Fall: 4 people, 33.33%
Hypoaesthesia (reduced sense of touch or sensation): 4 people, 33.33%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 25.00%
Influenza Like Illness: 3 people, 25.00%
Cough: 3 people, 25.00%
Wolff-Parkinson-White Syndrome (a heart condition in which there is an abnormal extra electrical pathway of the heart): 2 people, 16.67%
Heart Palpitations (feelings or sensations that your heart is pounding or racing): 2 people, 16.67%
Lump In The Abdomen (an area of swelling or growth on abdomen): 2 people, 16.67%
Cardiac Procedure Complication: 2 people, 16.67%
Injection Site Induration: 2 people, 16.67%

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 9 people, 75.00%
Gait Disturbance: 3 people, 25.00%
Vulvovaginal Dryness: 2 people, 16.67%
Sleep Disorder: 2 people, 16.67%
Hypersensitivity: 2 people, 16.67%
Back Pain: 2 people, 16.67%
Neuropathy Peripheral (surface nerve damage): 1 person, 8.33%
Insomnia (sleeplessness): 1 person, 8.33%
Immunodeficiency: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Astepro and have Multiple sclerosis relapse?

- Check whether Multiple sclerosis relapse 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 Astepro:

Astepro (3,336 reports)

Browse all side effects of Astepro:

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 Multiple sclerosis relapse:

Multiple sclerosis relapse (1,030 drugs)

Browse all the conditions that are associated with Multiple sclerosis relapse:

Multiple sclerosis relapse (943 conditions)

How the study uses the data?

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