Fosamax and Gastric ulcer - a phase IV clinical study of FDA data
Summary:
We study 102,220 people who have side effects when taking Fosamax. Gastric ulcer is found, especially among people who are female, 60+ old, have been taking the drug for 5 - 10 years, also take Humira and have Rheumatoid arthritis.
The phase IV clinical study analyzes which people take Fosamax and have Gastric ulcer. It is created by eHealthMe based on reports from the FDA, and is updated regularly. You may use the study as a second opinion to make health care decisions.
Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 700+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
102,220 people reported to have side effects when taking Fosamax.
Among them, 2,477 people (2.42%) have Gastric ulcer.
What is Fosamax?
Fosamax has active ingredients of alendronate sodium. It is used in osteoporosis. Currently, eHealthMe is studying from 103,229 Fosamax users.
What is Gastric ulcer?
Gastric ulcer (stomach ulcer) is found to be associated with 3,396 drugs and 3,232 conditions by eHealthMe. Currently, we are studying 110,363 people who have Gastric ulcer.
Number of Fosamax and Gastric ulcer reports submitted per year:

Time on Fosamax when people have Gastric ulcer *:
Gender of people who have Gastric ulcer when taking Fosamax*:
Age of people who have Gastric ulcer when taking Fosamax *:
Common drugs people take besides Fosamax *:
Common side effects people have besides Gastric ulcer *:
Common conditions people have *:
* Approximation only. Some reports may have incomplete information.
Do you take Fosamax and have Gastric ulcer?
Check whether Gastric ulcer is associated with a drug or a conditionHow to use the study?
You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.
Related publications that referenced our studies
- Stuckey BG, Sallie R, "Alendronate-induced unmasking or deterioration of coeliac disease: a case series", Osteoporosis International, 2015 Jan .
- Lee WY, Sun LM, Lin MC, Liang JA, Chang SN, Sung FC, Muo CH, Kao CH, "A higher dosage of oral alendronate will increase the subsequent cancer risk of osteoporosis patients in Taiwan: a population-based cohort study", PloS one, 2012 Dec .
Related studies
Fosamax side effects by duration, gender and age:
- Fosamax side effects (103,229 reports)
Gastric ulcer treatments and more:
- Gastric ulcer (110,363 reports)
Common drugs associated with Gastric ulcer:
- Aspirin: 4,462 reports
- Prednisone: 4,232 reports
- Vioxx: 3,298 reports
- Methotrexate: 3,125 reports
- Humira: 2,918 reports
- Ibu: 2,662 reports
- Ibuprofen: 2,658 reports
- Profen: 2,648 reports
- Fosamax: 2,477 reports
- Enbrel: 2,060 reports
All the drugs that are associated with Gastric ulcer:
- Gastric ulcer (3,396 drugs)
Common conditions associated with Gastric ulcer:
- Rheumatoid arthritis: 4,217 reports
- High blood pressure: 3,662 reports
- Pain: 2,601 reports
- Osteoporosis: 2,038 reports
- Atrial fibrillation/flutter: 1,438 reports
All the conditions that are associated with Gastric ulcer:
- Gastric ulcer (3,232 conditions)
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.
Who is eHealthMe?
With medical big data and proven AI 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 700+ 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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