Amoxicillin and Intestinal stenosis - a phase IV clinical study of FDA data

Summary:

Intestinal stenosis is reported as a side effect among people who take Amoxicillin (amoxicillin), especially for people who are female, 40-49 old, also take Omeprazole, and have Crohn's disease.

The phase IV clinical study analyzes which people have Intestinal stenosis when taking Amoxicillin. It is created by eHealthMe based on reports of 95,831 people who have side effects when taking Amoxicillin from the FDA, and is updated regularly.

What is Amoxicillin?

Amoxicillin has active ingredients of amoxicillin. It is often used in infection. eHealthMe is studying from 99,235 Amoxicillin users. Check the latest studies of Amoxicillin.

What is Intestinal stenosis?

Intestinal stenosis (partial obstruction that causes the centre opening of the intestine to become narrower) is found to be associated with 271 drugs and 388 conditions by eHealthMe. Check the latest studies of Intestinal stenosis.



On Jul, 21, 2026

95,831 people reported to have side effects when taking Amoxicillin.
Among them, 12 people (0.01%) have Intestinal stenosis.

Could Amoxicillin cause Intestinal stenosis?

Among these 12 people:

What is the gender of people who have Intestinal stenosis when taking Amoxicillin? *

  • female: 70 %
  • male: 30 %

What is the age of people who have Intestinal stenosis when taking Amoxicillin? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 25.0 %
  • 20-29: 37.5 %
  • 30-39: 0.0 %
  • 40-49: 37.5 %
  • 50-59: 0.0 %
  • 60+: 0.0 %

What are other drugs people take besides Amoxicillin? *

  1. Humira: 3 people, 25.00%
  2. Inflectra: 3 people, 25.00%
  3. Omeprazole: 3 people, 25.00%
  4. Keflex: 2 people, 16.67%
  5. Remicade: 2 people, 16.67%
  6. Asacol: 2 people, 16.67%
  7. Biaxin: 2 people, 16.67%
  8. Methotrexate: 2 people, 16.67%
  9. Prednisone: 2 people, 16.67%
  10. Accutane: 2 people, 16.67%

What are other side effects people have besides Intestinal stenosis? *

  1. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 5 people, 41.67%
  2. Fistula (an abnormal connection or passageway between two): 4 people, 33.33%
  3. Abscess (pus): 3 people, 25.00%
  4. Haemorrhoids (a swollen vein or group of veins in the region of the anus): 3 people, 25.00%
  5. Impaired Healing: 3 people, 25.00%
  6. Nausea (feeling of having an urge to vomit): 3 people, 25.00%
  7. Diarrhea: 3 people, 25.00%
  8. High Blood Cholesterol: 3 people, 25.00%
  9. Abdominal Pain Upper: 3 people, 25.00%
  10. Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 3 people, 25.00%

What are the existing conditions these people have? *

  1. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 5 people, 41.67%
  2. Helicobacter Infection (helicobacter pylori (h. pylori) infects stomach): 2 people, 16.67%
  3. Gastritis (inflammation of stomach): 2 people, 16.67%
  4. Arthritis (form of joint disorder that involves inflammation of one or more joints): 2 people, 16.67%
  5. Acne (skin problems that cause pimples): 2 people, 16.67%
  6. Tuberculosis (a bacterial infection by mycobacterium tuberculosis): 1 person, 8.33%
  7. Toxoplasmosis (a parasitic disease caused by the protozoan toxoplasma gondii): 1 person, 8.33%
  8. Sarcoidosis (an inflammatory disease that affects multiple organs in the body, but mostly the lungs and lymph glands): 1 person, 8.33%
  9. Inflammatory Bowel Disease: 1 person, 8.33%
  10. Impaired Gastric Emptying: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Amoxicillin and have Intestinal stenosis?

- Check whether Intestinal stenosis 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 Amoxicillin:

Intestinal stenosis treatments and more:

How severe was Intestinal stenosis and when was it recovered:

Expand to all the drugs that have ingredients of amoxicillin:

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 Amoxicillin:

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 Intestinal stenosis:

Browse all the conditions that are associated with Intestinal stenosis:


How the study uses the data?

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