Prevacid and Immunodeficiency - a phase IV clinical study of FDA data

Summary:

Immunodeficiency is reported as a side effect among people who take Prevacid (lansoprazole), especially for people who are female, 50-59 old, have been taking the drug for 10+ years also take Benadryl, and have Osteoporosis.

The phase IV clinical study analyzes which people have Immunodeficiency when taking Prevacid. It is created by eHealthMe based on reports of 128,835 people who have side effects when taking Prevacid from the FDA, and is updated regularly.

What is Prevacid?

Prevacid has active ingredients of lansoprazole. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 130,714 Prevacid users. Check the latest studies of Prevacid.

What is Immunodeficiency?

Immunodeficiency is found to be associated with 852 drugs and 820 conditions by eHealthMe. Check the latest studies of Immunodeficiency.

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, 24, 2026

128,835 people reported to have side effects when taking Prevacid.
Among them, 50 people (0.04%) have Immunodeficiency.

Among these 50 people:

How long have people been on Prevacid when they have Immunodeficiency? *

What is the gender of people who have Immunodeficiency when taking Prevacid? *

female: 83.72 %
male: 16.28 %

What is the age of people who have Immunodeficiency when taking Prevacid? *

What are other drugs people take besides Prevacid? *

Benadryl: 23 people, 46.00%
Zometa: 21 people, 42.00%
Zofran: 20 people, 40.00%
Chlorhexidine Gluconate: 19 people, 38.00%
Forteo: 18 people, 36.00%
Diazepam: 17 people, 34.00%
Norco: 16 people, 32.00%
Flexeril: 16 people, 32.00%
Differin: 16 people, 32.00%
Reglan: 16 people, 32.00%

What are other side effects people have besides Immunodeficiency? *

Pain: 23 people, 46.00%
High Blood Pressure: 22 people, 44.00%
Osteoporosis (bones weak and more likely to break): 21 people, 42.00%
Stress And Anxiety: 21 people, 42.00%
Injury: 21 people, 42.00%
Feeling Abnormal: 21 people, 42.00%
Osteonecrosis Of Jaw (death of bone of jaw): 21 people, 42.00%
Osteopenia (a condition where bone mineral density is lower than normal): 21 people, 42.00%
Hypoaesthesia (reduced sense of touch or sensation): 21 people, 42.00%
Anhedonia (inability to experience pleasure from activities usually found enjoyable): 21 people, 42.00%

What are the existing conditions these people have? *

Osteoporosis (bones weak and more likely to break): 18 people, 36.00%
Neoplasm Malignant (cancer tumour): 5 people, 10.00%
Hashimoto's Encephalopathy (chronic lymphocytic thyroiditis): 4 people, 8.00%
Multiple Myeloma (cancer of the plasma cells): 4 people, 8.00%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 6.00%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 3 people, 6.00%
Hepatitis C: 3 people, 6.00%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 4.00%
Back Pain: 2 people, 4.00%
Swallowing Difficulty: 2 people, 4.00%

* Approximation only. Some reports may have incomplete information.

Do you take Prevacid and have Immunodeficiency?

- Check whether Immunodeficiency 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 Prevacid:

Prevacid (130,714 reports)

Immunodeficiency treatments and more:

Immunodeficiency (20,688 reports)

Browse all side effects of Prevacid:

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 Immunodeficiency:

Immunodeficiency (852 drugs)

Browse all the conditions that are associated with Immunodeficiency:

Immunodeficiency (820 conditions)

How the study uses the data?

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