Flomax and Rezulin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Flomax (tamsulosin hydrochloride) and Rezulin (troglitazone). Common drug interactions include abdominal pain among males.

The phase IV clinical study analyzes what interactions people have when they take Flomax and Rezulin. It is created by eHealthMe based on reports of 25 people who take the same drugs from the FDA, and is updated regularly.

What is Flomax?

Flomax has active ingredients of tamsulosin hydrochloride. It is often used in enlarged prostate. eHealthMe is studying from 52,865 Flomax users. Check the latest studies of Flomax.

What is Rezulin?

Rezulin has active ingredients of troglitazone. eHealthMe is studying from 8,764 Rezulin users. Check the latest studies of Rezulin.



On Jul, 22, 2026

25 people who take Flomax and Rezulin together, and have interactions are studied.

Flomax and Rezulin drug interactions.

What are the common drug interactions of Flomax and Rezulin, by gender? *:

female:

n/a

male:

  1. Abdominal pain
  2. Diarrhoea
  3. Cardiac failure congestive
  4. Chest pain
  5. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  6. Constipation
  7. Hepatic cirrhosis (chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue)
  8. Hypokalaemia (low potassium)
  9. Injury
  10. Osteomyelitis (infection of bone)

What are the common drug interactions of Flomax and Rezulin, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

n/a

60+:

  1. Abdominal pain
  2. Diarrhoea
  3. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  4. Constipation
  5. Hepatic cirrhosis (chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue)
  6. Hepatocellular damage (liver damage)
  7. Hypokalaemia (low potassium)
  8. Injury
  9. Osteomyelitis (infection of bone)
  10. Skin amp subcutaneous tissue abscess (infection of the skin and subcutaneous tissue)

* Approximation only. Some reports may have incomplete information.

Do you take Flomax and Rezulin?

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Flomax and Rezulin:

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

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 Flomax:

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 side effects of Rezulin:

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 interactions between Flomax and drugs from A to Z:

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 interactions between Rezulin and drugs from A to Z:

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

How the study uses the data?

The study uses data from the FDA. It is based on tamsulosin hydrochloride and troglitazone (the active ingredients of Flomax and Rezulin, respectively), and Flomax and Rezulin (the brand names). 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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