Strattera and Gastric ulcer - a phase IV clinical study of FDA data

Summary:

Gastric ulcer is reported as a side effect among people who take Strattera (atomoxetine hydrochloride), especially for people who are female, 10-19 old, have been taking the drug for 6 - 12 months also take Provigil, and have Pain.

The phase IV clinical study analyzes which people have Gastric ulcer when taking Strattera. It is created by eHealthMe based on reports of 27,428 people who have side effects when taking Strattera from the FDA, and is updated regularly.

What is Strattera?

Strattera has active ingredients of atomoxetine hydrochloride. It is often used in attention deficit hyperactivity disorder. eHealthMe is studying from 29,323 Strattera users. Check the latest studies of Strattera.

What is Gastric ulcer?

Gastric ulcer (stomach ulcer) is found to be associated with 1,955 drugs and 3,379 conditions by eHealthMe. Check the latest studies of Gastric ulcer.



On Jul, 06, 2026

27,428 people reported to have side effects when taking Strattera.
Among them, 35 people (0.13%) have Gastric ulcer.

Could Strattera cause Gastric ulcer?

Among these 35 people:

How long have people been on Strattera when they have Gastric ulcer? *

  • < 1 month: 14.29 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 42.86 %
  • 1 - 2 years: 42.86 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Gastric ulcer when taking Strattera? *

  • female: 57.14 %
  • male: 42.86 %

What is the age of people who have Gastric ulcer when taking Strattera? *

  • 0-1: 0.0 %
  • 2-9: 9.09 %
  • 10-19: 27.27 %
  • 20-29: 12.12 %
  • 30-39: 12.12 %
  • 40-49: 21.21 %
  • 50-59: 0.0 %
  • 60+: 18.18 %

What are other drugs people take besides Strattera? *

  1. Aleve: 7 people, 20.00%
  2. Provigil: 7 people, 20.00%
  3. Seroquel: 6 people, 17.14%
  4. Lotrel: 5 people, 14.29%
  5. Prozac: 5 people, 14.29%
  6. Prometrium: 5 people, 14.29%
  7. Buspar: 5 people, 14.29%
  8. Vivelle-Dot: 5 people, 14.29%
  9. Zantac: 5 people, 14.29%
  10. Altace: 5 people, 14.29%

What are other side effects people have besides Gastric ulcer? *

  1. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 13 people, 37.14%
  2. Nausea (feeling of having an urge to vomit): 10 people, 28.57%
  3. Abdominal Pain: 6 people, 17.14%
  4. Weight Increased: 5 people, 14.29%
  5. Type 2 Diabetes: 4 people, 11.43%
  6. Gastritis (inflammation of stomach): 4 people, 11.43%
  7. Oesophagitis (inflammation of oesophagus): 4 people, 11.43%
  8. Fever: 4 people, 11.43%
  9. Hyperhidrosis (abnormally increased sweating): 4 people, 11.43%
  10. Barrett's Oesophagus (barrett's oesophagus is a disorder in which the lining of the oesophagus (the tube that carries food from the throat to the stomach) is damaged by stomach acid and changed to a lining similar to that of the stomach): 4 people, 11.43%

What are the existing conditions these people have? *

  1. Pain: 4 people, 11.43%
  2. Back Pain: 3 people, 8.57%
  3. Bipolar Disorder (mood disorder): 3 people, 8.57%
  4. Migraine (headache): 3 people, 8.57%
  5. Stress And Anxiety: 3 people, 8.57%
  6. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 2 people, 5.71%
  7. Insomnia (sleeplessness): 2 people, 5.71%
  8. Intervertebral Disc Operation: 2 people, 5.71%
  9. Intervertebral Disc Protrusion (spinal disc protrusion): 1 person, 2.86%
  10. Breast Cancer: 1 person, 2.86%

* Approximation only. Some reports may have incomplete information.

Do you take Strattera and have Gastric ulcer?

- Check whether Gastric ulcer is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
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Related studies:

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

Gastric ulcer treatments and more:

How severe was Gastric ulcer and when was it recovered:

Expand to all the drugs that have ingredients of atomoxetine hydrochloride:

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 Strattera:

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 Gastric ulcer:

Browse all the conditions that are associated with Gastric ulcer:


How the study uses the data?

The study uses data from the FDA. It is based on atomoxetine hydrochloride (the active ingredients of Strattera) and Strattera (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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