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Cimetidine and Finasteride drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Cimetidine (cimetidine) and Finasteride (finasteride). Common drug interactions include disease recurrence among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Cimetidine and Finasteride. It is created by eHealthMe based on reports of 67 people who take the same drugs from the FDA, and is updated regularly.

What is Cimetidine?

Cimetidine has active ingredients of cimetidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 10,531 Cimetidine users. Check the latest studies of Cimetidine.

What is Finasteride?

Finasteride has active ingredients of finasteride. It is often used in prostate examination abnormal. eHealthMe is studying from 44,177 Finasteride users. Check the latest studies of Finasteride.

On Jul, 14, 2026

67 people who take Cimetidine and Finasteride together, and have interactions are studied.

Cimetidine and Finasteride drug interactions.

What are the common drug interactions of Cimetidine and Finasteride, by gender? *:

female:

  1. Disease recurrence

male:

  1. Chronic kidney disease
  2. Fall
  3. Infusion site rash
  4. Renal injury (kidney injury)
  5. Nasopharyngitis (inflammation of the nasopharynx)
  6. Renal failure (kidney dysfunction)
  7. Sputum discoloured
  8. Upper-airway cough syndrome
  9. Wheezing (a high-pitched whistling sound made while you breath)
  10. Infection

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

  1. Chronic kidney disease
  2. Renal failure (kidney dysfunction)

40-49:

  1. Breast lump (localized swelling that feels different from the surrounding breast tissue)

50-59:

  1. Disease recurrence
  2. Myocarditis (inflammation of heart muscle myocardium)

60+:

  1. Fall
  2. Prostatitis (inflammation of the prostate gland)
  3. Chronic kidney disease
  4. Nasopharyngitis (inflammation of the nasopharynx)
  5. Sputum discoloured
  6. Upper-airway cough syndrome
  7. Wheezing (a high-pitched whistling sound made while you breath)
  8. Renal injury (kidney injury)
  9. Infection
  10. Muscle injury

What are the existing conditions these people have? *

  1. High Blood Pressure: 9 people, 13.43%
  2. Pain: 7 people, 10.45%
  3. Immunodeficiency Common Variable: 7 people, 10.45%
  4. Primary Immunodeficiency Syndrome: 6 people, 8.96%
  5. High Blood Cholesterol: 6 people, 8.96%
  6. Infection: 5 people, 7.46%
  7. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 4 people, 5.97%
  8. Multiple Myeloma (cancer of the plasma cells): 4 people, 5.97%
  9. Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 4 people, 5.97%

* Approximation only. Some reports may have incomplete information.

Do you take Cimetidine and Finasteride?

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Related studies:

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

Browse all drug interactions of Cimetidine and Finasteride:

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 Cimetidine:

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 Finasteride:

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 Cimetidine 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 Finasteride 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

Related publications that referenced our studies

How the study uses the data?

The study uses data from the FDA. It is based on cimetidine and finasteride (the active ingredients of Cimetidine and Finasteride, respectively), and Cimetidine and Finasteride (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.

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