Zantac and Staphylococcus test positive - a phase IV clinical study of FDA data

Summary:

Staphylococcus test positive is reported as a side effect among people who take Zantac (ranitidine hydrochloride), especially for people who are male, 10-19 old, also take Coumadin, and have Primary pulmonary hypertension.

The phase IV clinical study analyzes which people have Staphylococcus test positive when taking Zantac. It is created by eHealthMe based on reports of 432,014 people who have side effects when taking Zantac from the FDA, and is updated regularly.

What is Zantac?

Zantac has active ingredients of ranitidine hydrochloride. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 434,161 Zantac users. Check the latest studies of Zantac.

What is Staphylococcus test positive?

Staphylococcus test positive is found to be associated with 406 drugs and 553 conditions by eHealthMe. Check the latest studies of Staphylococcus test positive.

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 Sep, 04, 2026

432,014 people reported to have side effects when taking Zantac.
Among them, 27 people (0.01%) have Staphylococcus test positive.

Could Zantac cause Staphylococcus test positive?

Among these 27 people:

What is the gender of people who have Staphylococcus test positive when taking Zantac? *

female: 29.63 %
male: 70.37 %

What is the age of people who have Staphylococcus test positive when taking Zantac? *

What are other drugs people take besides Zantac? *

What are other side effects people have besides Staphylococcus test positive? *

Pneumonia: 15 people, 55.56%
Dyspnea (difficult or laboured breathing): 11 people, 40.74%
Chest Pain: 10 people, 37.04%
Headache (pain in head): 10 people, 37.04%
Hypotension (abnormally low blood pressure): 10 people, 37.04%
Catheter Site Infection (infection at the site of insertion): 9 people, 33.33%
Nasopharyngitis (inflammation of the nasopharynx): 9 people, 33.33%
Diarrhea: 8 people, 29.63%
Productive Cough: 8 people, 29.63%
Nausea (feeling of having an urge to vomit): 8 people, 29.63%

What are the existing conditions these people have? *

Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 10 people, 37.04%
Nausea (feeling of having an urge to vomit): 8 people, 29.63%
Bipolar Disorder (mood disorder): 7 people, 25.93%
Infective Pulmonary Exacerbation Of Cystic Fibrosis (severe infective lung disease with production of abnormally thick mucus): 6 people, 22.22%
Diarrhea: 6 people, 22.22%
Pain: 6 people, 22.22%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 5 people, 18.52%
Sleep Disorder: 5 people, 18.52%
Sinus Congestion (blockage of sinus): 5 people, 18.52%
Jock Itch (fungal infection of the groin and upper thighs): 4 people, 14.81%

* Approximation only. Some reports may have incomplete information.

Do you take Zantac and have Staphylococcus test positive?

- Check whether Staphylococcus test positive 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 Zantac:

Zantac (434,161 reports)

Browse all side effects of Zantac:

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 Staphylococcus test positive:

Staphylococcus test positive (406 drugs)

Browse all the conditions that are associated with Staphylococcus test positive:

Staphylococcus test positive (553 conditions)

How the study uses the data?

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