Nexium and Horner's syndrome - a phase IV clinical study of FDA data

Summary:

Horner's syndrome is reported as a side effect among people who take Nexium (esomeprazole magnesium), especially for people who are male, 60+ old, also take Prednisolone, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Horner's syndrome when taking Nexium. It is created by eHealthMe based on reports of 240,870 people who have side effects when taking Nexium from the FDA, and is updated regularly.

What is Nexium?

Nexium has active ingredients of esomeprazole magnesium. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 245,677 Nexium users. Check the latest studies of Nexium.

What is Horner's syndrome?

Horner's syndrome (horner syndrome is a disorder that affects the eye and surrounding tissues on one side of the face and results from paralysis of certain nerves) is found to be associated with 80 drugs and 185 conditions by eHealthMe. Check the latest studies of Horner's syndrome.

On Jul, 07, 2026

240,870 people reported to have side effects when taking Nexium.
Among them, 16 people (0.01%) have Horner's syndrome.

Among these 16 people:

What is the gender of people who have Horner's syndrome when taking Nexium? *

female: 43.75 %
male: 56.25 %

What is the age of people who have Horner's syndrome when taking Nexium? *

What are other drugs people take besides Nexium? *

What are other side effects people have besides Horner's syndrome? *

Pneumonia: 9 people, 56.25%
Respiratory Acidosis (respiratory failure or ventilatory failure, causes the ph of blood and other bodily fluids to decrease): 9 people, 56.25%
High Blood Pressure: 9 people, 56.25%
Sepsis (a severe blood infection that can lead to organ failure and death): 8 people, 50.00%
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): 5 people, 31.25%
Pericardial Effusion (fluid around the heart): 5 people, 31.25%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 5 people, 31.25%
Polyneuropathy (neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously): 5 people, 31.25%
Pleural Effusion (water on the lungs): 5 people, 31.25%
Pertussis (whooping cough: a disease of the respiratory mucous membrane): 5 people, 31.25%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 5 people, 31.25%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 5 people, 31.25%
Metastases To Central Nervous System (cancer spreads to central nervous system): 4 people, 25.00%
Lung Adenocarcinoma Stage 0 (the cancer has not spread beyond the inner lining of the lung): 4 people, 25.00%
Nasal Congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels): 1 person, 6.25%
Lung Neoplasm Malignant (cancer tumour of lung): 1 person, 6.25%
Lung Cancer - Non-Small Cell (lung cancer): 1 person, 6.25%
Gastritis (inflammation of stomach): 1 person, 6.25%
Allergic Rhinitis: 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Nexium and have Horner's syndrome?

- Check whether Horner's syndrome 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 Nexium:

Nexium (245,677 reports)

Browse all side effects of Nexium:

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 Horner's syndrome:

Horner's syndrome (80 drugs)

Browse all the conditions that are associated with Horner's syndrome:

Horner's syndrome (185 conditions)

Related publications that referenced our studies

Dr. Anthony Wong, "Esomeprazole and gynaecomastia in obese adults", WHO pharmaceuticals newsletter: 2019, No. 2, 2019 Jan .
Dr. Anthony Wong, "Esomeprazole and gynaecomastia in obese adults", WHO pharmaceuticals newsletter: 2019, No. 2, 2019 Jan .

How the study uses the data?

The study uses data from the FDA. It is based on esomeprazole magnesium (the active ingredients of Nexium) and Nexium (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.