Zantac and Post procedural haemorrhage - a phase IV clinical study of FDA data

Summary:

Post procedural haemorrhage 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 Lipitor, and have Chronic lymphocytic leukaemia.

The phase IV clinical study analyzes which people have Post procedural haemorrhage 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 Post procedural haemorrhage?

Post procedural haemorrhage (post procedural bleeding) is found to be associated with 664 drugs and 854 conditions by eHealthMe. Check the latest studies of Post procedural haemorrhage.



On Jul, 12, 2026

432,014 people reported to have side effects when taking Zantac.
Among them, 53 people (0.01%) have Post procedural haemorrhage.

Could Zantac cause Post procedural haemorrhage?

Among these 53 people:

How long have people been on Zantac when they have Post procedural haemorrhage? *

  • < 1 month: 80 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 20 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Post procedural haemorrhage when taking Zantac? *

  • female: 54.9 %
  • male: 45.1 %

What is the age of people who have Post procedural haemorrhage when taking Zantac? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 2.27 %
  • 20-29: 9.09 %
  • 30-39: 9.09 %
  • 40-49: 13.64 %
  • 50-59: 13.64 %
  • 60+: 52.27 %

What are other drugs people take besides Zantac? *

  1. Lipitor: 12 people, 22.64%
  2. Lasix: 10 people, 18.87%
  3. Plavix: 9 people, 16.98%
  4. Zyrtec: 8 people, 15.09%
  5. Aspirin: 8 people, 15.09%
  6. Singulair: 8 people, 15.09%
  7. Spiriva: 7 people, 13.21%
  8. Allegra: 7 people, 13.21%
  9. Furosemide: 7 people, 13.21%
  10. Advair Hfa: 7 people, 13.21%

What are other side effects people have besides Post procedural haemorrhage? *

  1. High Blood Pressure: 9 people, 16.98%
  2. Drug Ineffective: 9 people, 16.98%
  3. Pain: 8 people, 15.09%
  4. Fibromyalgia (a long-term condition which causes pain all over the body): 7 people, 13.21%
  5. Hepatic Enzyme Increased: 7 people, 13.21%
  6. Allergic Sinusitis: 6 people, 11.32%
  7. Disability: 6 people, 11.32%
  8. Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall): 6 people, 11.32%
  9. Drug Hypersensitivity: 6 people, 11.32%
  10. Finger Deformity (a deformed position of the finger): 6 people, 11.32%

What are the existing conditions these people have? *

  1. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 6 people, 11.32%
  2. Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 6 people, 11.32%
  3. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 5 people, 9.43%
  4. Pain: 4 people, 7.55%
  5. Birth Control: 4 people, 7.55%
  6. Allergic Sinusitis: 3 people, 5.66%
  7. Gastritis (inflammation of stomach): 3 people, 5.66%
  8. Stress And Anxiety: 3 people, 5.66%
  9. Abdominal Pain: 2 people, 3.77%
  10. High Blood Cholesterol: 2 people, 3.77%

* Approximation only. Some reports may have incomplete information.

Do you take Zantac and have Post procedural haemorrhage?

- Check whether Post procedural haemorrhage 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:

Post procedural haemorrhage treatments and more:

How severe was Post procedural haemorrhage and when was it recovered:

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

Sub-studies by gender and age:

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

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

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 Post procedural haemorrhage:

Browse all the conditions that are associated with Post procedural haemorrhage:


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.



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