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

Summary:

Intestinal stenosis is reported as a side effect among people who take Norvasc (amlodipine besylate), especially for people who are female, 60+ old, also take Pantoprazole, and have Crohn's disease.

The phase IV clinical study analyzes which people have Intestinal stenosis when taking Norvasc. It is created by eHealthMe based on reports of 133,505 people who have side effects when taking Norvasc from the FDA, and is updated regularly.

What is Norvasc?

Norvasc has active ingredients of amlodipine besylate. It is often used in high blood pressure. eHealthMe is studying from 136,738 Norvasc users. Check the latest studies of Norvasc.

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 274 drugs and 387 conditions by eHealthMe. Check the latest studies of Intestinal stenosis.

On Jul, 09, 2026

133,505 people reported to have side effects when taking Norvasc.
Among them, 21 people (0.02%) have Intestinal stenosis.

Could Norvasc cause Intestinal stenosis?

Among these 21 people:

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

female: 64.29 %
male: 35.71 %

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

What are other drugs people take besides Norvasc? *

Inflectra: 7 people, 33.33%
Pantoprazole: 7 people, 33.33%
Tylenol: 5 people, 23.81%
Hydrocortisone: 5 people, 23.81%
Protopic: 5 people, 23.81%
Prolia: 5 people, 23.81%
Zopiclone: 5 people, 23.81%
Olopatadine Hydrochloride: 5 people, 23.81%
Clobetasol Propionate: 5 people, 23.81%
Ciprofloxacin: 5 people, 23.81%

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

Rashes (redness): 10 people, 47.62%
Abdominal Distension: 9 people, 42.86%
Malaise (a feeling of general discomfort or uneasiness): 8 people, 38.10%
Stress And Anxiety: 8 people, 38.10%
Fatigue (feeling of tiredness): 8 people, 38.10%
Intestinal Obstruction: 8 people, 38.10%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 7 people, 33.33%
Oral Mucosal Blistering (mouth ulcer): 7 people, 33.33%
Oral Candidiasis (fungal infection of mouth): 7 people, 33.33%
Mouth Ulcers: 7 people, 33.33%

What are the existing conditions these people have? *

Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 14 people, 66.67%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 6 people, 28.57%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 14.29%
Diabetes: 3 people, 14.29%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 1 person, 4.76%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 1 person, 4.76%
Ovarian Cancer (cancer of ovary): 1 person, 4.76%
Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 1 person, 4.76%
Insomnia (sleeplessness): 1 person, 4.76%
Impaired Gastric Emptying: 1 person, 4.76%

* Approximation only. Some reports may have incomplete information.

Do you take Norvasc 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 Norvasc:

Norvasc (136,738 reports)

Browse all side effects of Norvasc:

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:

Intestinal stenosis (274 drugs)

Browse all the conditions that are associated with Intestinal stenosis:

Intestinal stenosis (387 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on amlodipine besylate (the active ingredients of Norvasc) and Norvasc (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.