Zantac and Streptococcal infection - a phase IV clinical study of FDA data

Summary:

Streptococcal infection is reported as a side effect among people who take Zantac (ranitidine hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Albuterol, and have Asthma.

The phase IV clinical study analyzes which people have Streptococcal infection 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 Streptococcal infection?

Streptococcal infection is found to be associated with 650 drugs and 690 conditions by eHealthMe. Check the latest studies of Streptococcal infection.

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, 30, 2026

432,014 people reported to have side effects when taking Zantac.
Among them, 65 people (0.02%) have Streptococcal infection.

Could Zantac cause Streptococcal infection?

Among these 65 people:

How long have people been on Zantac when they have Streptococcal infection? *

What is the gender of people who have Streptococcal infection when taking Zantac? *

female: 68.25 %
male: 31.75 %

What is the age of people who have Streptococcal infection when taking Zantac? *

What are other drugs people take besides Zantac? *

What are other side effects people have besides Streptococcal infection? *

Fever: 17 people, 26.15%
Nausea And Vomiting: 17 people, 26.15%
Headache (pain in head): 14 people, 21.54%
Nausea (feeling of having an urge to vomit): 14 people, 21.54%
Diarrhea: 14 people, 21.54%
Upper Respiratory Tract Infection: 13 people, 20.00%
Rashes (redness): 12 people, 18.46%
Pneumonia: 11 people, 16.92%
Cough: 11 people, 16.92%
Rhinorrhea (watery mucus discharge from the nose): 10 people, 15.38%

What are the existing conditions these people have? *

Asthma: 10 people, 15.38%
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 7 people, 10.77%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 5 people, 7.69%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 4 people, 6.15%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 4 people, 6.15%
Immunodeficiency Common Variable: 3 people, 4.62%
Depression: 3 people, 4.62%
Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 2 people, 3.08%
Fibromyalgia (a long-term condition which causes pain all over the body): 2 people, 3.08%
Multiple Myeloma (cancer of the plasma cells): 2 people, 3.08%

* Approximation only. Some reports may have incomplete information.

Do you take Zantac and have Streptococcal infection?

- Check whether Streptococcal infection 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 Streptococcal infection:

Streptococcal infection (650 drugs)

Browse all the conditions that are associated with Streptococcal infection:

Streptococcal infection (690 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.