Tagamet and Ammonia increased - a phase IV clinical study of FDA data

Summary:

Ammonia increased is reported as a side effect among people who take Tagamet (cimetidine), especially for people who are male, 50-59 old, have been taking the drug for < 1 month also take Oxycontin, and have High blood pressure.

The phase IV clinical study analyzes which people have Ammonia increased when taking Tagamet. It is created by eHealthMe based on reports of 8,789 people who have side effects when taking Tagamet from the FDA, and is updated regularly.

What is Tagamet?

Tagamet has active ingredients of cimetidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 9,011 Tagamet users. Check the latest studies of Tagamet.

What is Ammonia increased?

Ammonia increased is found to be associated with 555 drugs and 767 conditions by eHealthMe. Check the latest studies of Ammonia increased.



On Aug, 04, 2026

8,789 people reported to have side effects when taking Tagamet.
Among them, 14 people (0.16%) have Ammonia increased.

Could Tagamet cause Ammonia increased?

Among these 14 people:

How long have people been on Tagamet when they have Ammonia increased? *

  • < 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 %

What is the gender of people who have Ammonia increased when taking Tagamet? *

  • female: 42.86 %
  • male: 57.14 %

What is the age of people who have Ammonia increased when taking Tagamet? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 64.29 %
  • 60+: 35.71 %

What are other drugs people take besides Tagamet? *

  1. Oxycontin: 9 people, 64.29%
  2. Urso 250: 7 people, 50.00%
  3. Nexavar: 7 people, 50.00%
  4. Neoral: 7 people, 50.00%
  5. Cellcept: 7 people, 50.00%
  6. Micardis: 7 people, 50.00%
  7. Adalat Cc: 4 people, 28.57%
  8. Synthroid: 3 people, 21.43%
  9. Adalat: 3 people, 21.43%
  10. Xanax: 3 people, 21.43%

What are other side effects people have besides Ammonia increased? *

  1. Diarrhea: 8 people, 57.14%
  2. Hepatic Function Abnormal: 7 people, 50.00%
  3. Immunosuppressant Drug Level Increased: 7 people, 50.00%
  4. Palmar-Plantar Erythrodysaesthesia Syndrome (hand-foot syndrome): 7 people, 50.00%
  5. Hair Loss: 7 people, 50.00%
  6. Ileal Perforation: 6 people, 42.86%
  7. Blood Creatinine Increased: 3 people, 21.43%
  8. Blood Urea Increased: 3 people, 21.43%
  9. Liver Function Tests Nos Abnormal: 3 people, 21.43%
  10. Memory Loss: 3 people, 21.43%

What are the existing conditions these people have? *

  1. High Blood Pressure: 7 people, 50.00%
  2. Renal Cell Carcinoma Stage Ii (the tumour is larger than 7 centimetres and is found only in the kidney): 5 people, 35.71%
  3. Sleep Disorder: 2 people, 14.29%
  4. Renal Cell Carcinoma (a kidney cancer): 2 people, 14.29%
  5. Pain: 2 people, 14.29%
  6. Nightmares (unpleasant dreams): 2 people, 14.29%
  7. Nausea And Vomiting: 2 people, 14.29%
  8. Mood Swings (an extreme or rapid change in mood): 2 people, 14.29%
  9. Hepatic Cirrhosis (chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue): 2 people, 14.29%
  10. Headache (pain in head): 2 people, 14.29%

* Approximation only. Some reports may have incomplete information.

Do you take Tagamet and have Ammonia increased?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Tagamet:

Ammonia increased treatments and more:

How severe was Ammonia increased and when was it recovered:

Expand to all the drugs that have ingredients of cimetidine:

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 Tagamet:

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 Ammonia increased:

Browse all the conditions that are associated with Ammonia increased:


How the study uses the data?

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