Strattera and Splenomegaly - a phase IV clinical study of FDA data

Summary:

Splenomegaly is reported as a side effect among people who take Strattera (atomoxetine hydrochloride), especially for people who are male, 10-19 old, have been taking the drug for 1 - 2 years also take Desyrel, and have Arthritis.

The phase IV clinical study analyzes which people have Splenomegaly 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 29,324 Strattera users. Check the latest studies of Strattera.

What is Splenomegaly?

Splenomegaly (enlargement of spleen) is found to be associated with 1,104 drugs and 1,478 conditions by eHealthMe. Check the latest studies of Splenomegaly.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.



On Aug, 28, 2026

27,428 people reported to have side effects when taking Strattera.
Among them, 11 people (0.04%) have Splenomegaly.

Could Strattera cause Splenomegaly?

Among these 11 people:

How long have people been on Strattera when they have Splenomegaly? *

  • < 1 month: 0.0 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 20 %
  • 1 - 2 years: 80 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

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

  • female: 45.45 %
  • male: 54.55 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 88.89 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 11.11 %
  • 60+: 0.0 %

What are other drugs people take besides Strattera? *

  1. Adderall 10: 4 people, 36.36%
  2. Desyrel: 4 people, 36.36%
  3. Lactulose: 3 people, 27.27%
  4. Oxycontin: 2 people, 18.18%
  5. Aspirin: 2 people, 18.18%
  6. Buspar: 2 people, 18.18%
  7. Celebrex: 2 people, 18.18%
  8. Lyrica: 2 people, 18.18%
  9. Thalomid: 2 people, 18.18%
  10. Xanax: 2 people, 18.18%

What are other side effects people have besides Splenomegaly? *

  1. Hepatomegaly (abnormal enlargement of the liver): 4 people, 36.36%
  2. Hepatic Steatosis (fatty liver disease): 4 people, 36.36%
  3. Activated Partial Thromboplastin Time Prolonged: 3 people, 27.27%
  4. Low Density Lipoprotein Increased (cholesterol increased in blood): 3 people, 27.27%
  5. Infectious Mononucleosis (infection usually caused by the epstein-barr virus): 3 people, 27.27%
  6. Hepatic Enzyme Increased: 3 people, 27.27%
  7. Dyspnea (difficult or laboured breathing): 2 people, 18.18%
  8. Oedema Peripheral (superficial swelling): 2 people, 18.18%
  9. Weakness: 1 person, 9.09%
  10. Alanine Aminotransferase Increased: 1 person, 9.09%

What are the existing conditions these people have? *

  1. Stress And Anxiety: 2 people, 18.18%
  2. Primary Myelofibrosis (primary disorder of the bone marrow): 2 people, 18.18%
  3. Insomnia (sleeplessness): 2 people, 18.18%
  4. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 18.18%
  5. Fibromyalgia (a long-term condition which causes pain all over the body): 2 people, 18.18%
  6. Bone Pain: 2 people, 18.18%
  7. Arthritis (form of joint disorder that involves inflammation of one or more joints): 2 people, 18.18%
  8. Abdominal Pain: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Strattera and have Splenomegaly?

- Check whether Splenomegaly 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 Strattera:

Splenomegaly treatments and more:

How severe was Splenomegaly 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 Splenomegaly:

Browse all the conditions that are associated with Splenomegaly:


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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