Zantac and Leukocyturia - a phase IV clinical study of FDA data


Leukocyturia is found among people who take Zantac, especially for people who are female, 20-29 old, have been taking the drug for < 1 month.

The phase IV clinical study analyzes which people take Zantac and have Leukocyturia. It is created by eHealthMe based on reports of 213,948 people who have side effects when taking Zantac from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Jun, 16, 2022

213,948 people reported to have side effects when taking Zantac.
Among them, 10 people (0.0%) have Leukocyturia.

What is Zantac?

Zantac has active ingredients of ranitidine hydrochloride. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 216,076 Zantac users for its effectiveness, alternative drugs and more.

What is Leukocyturia?

Leukocyturia (presence of white blood cells in urine) is found to be associated with 386 drugs and 259 conditions by eHealthMe.

Number of Zantac and Leukocyturia reports submitted per year:

Could Zantac cause Leukocyturia?

Time on Zantac when people have Leukocyturia *:

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Leukocyturia when taking Zantac *:

  • female: 80 %
  • male: 20 %

Age of people who have Leukocyturia when taking Zantac *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 10 %
  • 20-29: 50 %
  • 30-39: 30 %
  • 40-49: 0.0 %
  • 50-59: 10 %
  • 60+: 0.0 %

Common drugs people take besides Zantac *:

  1. Zopiclone: 5 people, 50.00%
  2. Ditropan: 5 people, 50.00%
  3. Gilenya: 5 people, 50.00%
  4. Septra: 5 people, 50.00%
  5. Remeron: 5 people, 50.00%
  6. Paracetamol: 5 people, 50.00%
  7. Cipro: 3 people, 30.00%
  8. Lemtrada: 2 people, 20.00%
  9. Gravol: 2 people, 20.00%
  10. Benadryl: 2 people, 20.00%

Common side effects people have besides Leukocyturia *:

  1. Lymphocyte Count Decreased: 8 people, 80.00%
  2. Insomnia (sleeplessness): 8 people, 80.00%
  3. Headache (pain in head): 8 people, 80.00%
  4. Fever: 8 people, 80.00%
  5. Lymphocyte Percentage Decreased: 7 people, 70.00%
  6. Monocyte Percentage Increased: 7 people, 70.00%
  7. Neutrophil Percentage Increased: 7 people, 70.00%
  8. White Blood Cell Count Decreased: 7 people, 70.00%
  9. Urine Analysis Abnormal: 7 people, 70.00%
  10. Urine Abnormality: 7 people, 70.00%

Common conditions people have *:

  1. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 7 people, 70.00%
  2. Juvenile Rheumatoid Arthritis (joint inflammation in children due to systemic disease): 5 people, 50.00%
  3. Insomnia (sleeplessness): 5 people, 50.00%
  4. Hypertonic Bladder (bladder-storage function that causes a sudden urge to urinate): 5 people, 50.00%
  5. Headache (pain in head): 5 people, 50.00%
  6. Depression: 5 people, 50.00%
  7. Urinary Tract Infection: 4 people, 40.00%
  8. Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 2 people, 20.00%
  9. Stress Gastritis (swelling (inflammation) and weakening of the stomach lining that occurs during a serious illness): 1 person, 10.00%

* Approximation only. Some reports may have incomplete information.

Do you take Zantac and have Leukocyturia?

Check whether Leukocyturia is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

How severe was Leukocyturia and when was it recovered:

Expand to all the drugs that have ingredients of ranitidine hydrochloride:

Alternative drugs to, pros and cons of Zantac:

Common Zantac side effects:

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

Leukocyturia treatments and more:

COVID vaccines that are related to Leukocyturia:

All the drugs that are associated with Leukocyturia:

All the conditions that are associated with Leukocyturia:

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.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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.

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