Fosamax and Enteritis - a phase IV clinical study of FDA data

Summary:

Enteritis is reported as a side effect among people who take Fosamax (alendronate sodium), especially for people who are female, 60+ old, have been taking the drug for 2 - 5 years also take Prilosec, and have Gastroesophageal reflux disease.

The phase IV clinical study analyzes which people have Enteritis when taking Fosamax. It is created by eHealthMe based on reports of 104,411 people who have side effects when taking Fosamax from the FDA, and is updated regularly.

What is Fosamax?

Fosamax has active ingredients of alendronate sodium. It is often used in osteoporosis. eHealthMe is studying from 105,452 Fosamax users. Check the latest studies of Fosamax.

What is Enteritis?

Enteritis (inflammation of the small intestine) is found to be associated with 665 drugs and 674 conditions by eHealthMe. Check the latest studies of Enteritis.



On Jul, 18, 2026

104,411 people reported to have side effects when taking Fosamax.
Among them, 42 people (0.04%) have Enteritis.

Could Fosamax cause Enteritis?

Among these 42 people:

How long have people been on Fosamax when they have Enteritis? *

  • < 1 month: 0.0 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 16.67 %
  • 2 - 5 years: 72.22 %
  • 5 - 10 years: 11.11 %
  • 10+ years: 0.0 %

What is the gender of people who have Enteritis when taking Fosamax? *

  • female: 94.74 %
  • male: 5.26 %

What is the age of people who have Enteritis when taking Fosamax? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 3.85 %
  • 50-59: 38.46 %
  • 60+: 57.69 %

What are other drugs people take besides Fosamax? *

  1. Prilosec: 9 people, 21.43%
  2. Neurontin: 7 people, 16.67%
  3. Alendronate Sodium: 7 people, 16.67%
  4. Asacol: 7 people, 16.67%
  5. Celebrex: 6 people, 14.29%
  6. Ansaid: 6 people, 14.29%
  7. Zestril: 6 people, 14.29%
  8. Tamoxifen Citrate: 6 people, 14.29%
  9. Zocor: 5 people, 11.90%
  10. Miacalcin: 4 people, 9.52%

What are other side effects people have besides Enteritis? *

  1. Fall: 20 people, 47.62%
  2. Dehydration (dryness resulting from the removal of water): 18 people, 42.86%
  3. Osteoarthritis (a joint disease caused by cartilage loss in a joint): 17 people, 40.48%
  4. Femur Fracture: 17 people, 40.48%
  5. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 16 people, 38.10%
  6. Depression: 16 people, 38.10%
  7. High Blood Pressure: 16 people, 38.10%
  8. Haemoglobin Decreased: 14 people, 33.33%
  9. Haemorrhoids (a swollen vein or group of veins in the region of the anus): 14 people, 33.33%
  10. Chest Pain: 13 people, 30.95%

What are the existing conditions these people have? *

  1. High Blood Pressure: 8 people, 19.05%
  2. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 8 people, 19.05%
  3. Breast Cancer: 6 people, 14.29%
  4. Hypersensitivity: 4 people, 9.52%
  5. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 3 people, 7.14%
  6. Metastases To Bone (cancer spreads to bone): 2 people, 4.76%
  7. Menopausal Symptoms: 2 people, 4.76%
  8. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 4.76%
  9. Drug Specific Antibody Present: 2 people, 4.76%
  10. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 2.38%

* Approximation only. Some reports may have incomplete information.

Do you take Fosamax and have Enteritis?

- Check whether Enteritis is associated with a drug or a condition
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Related studies:

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

Enteritis treatments and more:

How severe was Enteritis and when was it recovered:

Expand to all the drugs that have ingredients of alendronate sodium:

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 Fosamax:

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 Enteritis:

Browse all the conditions that are associated with Enteritis:

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on alendronate sodium (the active ingredients of Fosamax) and Fosamax (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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