Finasteride and Injection site erythema - a phase IV clinical study of FDA data

Summary:

Injection site erythema is reported as a side effect among people who take Finasteride (finasteride), especially for people who are male, 60+ old, have been taking the drug for 5 - 10 years also take Tamsulosin, and have High blood cholesterol.

The phase IV clinical study analyzes which people have Injection site erythema when taking Finasteride. It is created by eHealthMe based on reports of 42,469 people who have side effects when taking Finasteride from the FDA, and is updated regularly.

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.

What is Injection site erythema?

Injection site erythema (redness at injection site) is found to be associated with 1,457 drugs and 1,417 conditions by eHealthMe. Check the latest studies of Injection site erythema.



On Jul, 19, 2026

42,469 people reported to have side effects when taking Finasteride.
Among them, 51 people (0.12%) have Injection site erythema.

Could Finasteride cause Injection site erythema?

Among these 51 people:

How long have people been on Finasteride when they have Injection site erythema? *

  • < 1 month: 0.0 %
  • 1 - 6 months: 50 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 50 %
  • 10+ years: 0.0 %

What is the gender of people who have Injection site erythema when taking Finasteride? *

  • female: 8.16 %
  • male: 91.84 %

What is the age of people who have Injection site erythema when taking Finasteride? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 5.88 %
  • 30-39: 8.82 %
  • 40-49: 0.0 %
  • 50-59: 35.29 %
  • 60+: 50.0 %

What are other drugs people take besides Finasteride? *

  1. Tamsulosin: 12 people, 23.53%
  2. Humira: 11 people, 21.57%
  3. Vitamin D3: 8 people, 15.69%
  4. Xolair: 7 people, 13.73%
  5. Vitamin B12: 7 people, 13.73%
  6. Flovent: 6 people, 11.76%
  7. Enbrel: 5 people, 9.80%
  8. Aspirin: 5 people, 9.80%
  9. Rebif: 4 people, 7.84%
  10. Testosterone: 4 people, 7.84%

What are other side effects people have besides Injection site erythema? *

  1. Injection Site Pruritus (severe itching at injection site): 13 people, 25.49%
  2. Injection Site Swelling: 10 people, 19.61%
  3. Fall: 9 people, 17.65%
  4. Injection Site Pain: 9 people, 17.65%
  5. Heart Rate Increased: 8 people, 15.69%
  6. Dyspnea (difficult or laboured breathing): 8 people, 15.69%
  7. Wound Infection: 7 people, 13.73%
  8. Prostatic Disorder: 7 people, 13.73%
  9. Renal Pain (kidney pain): 7 people, 13.73%
  10. Intervertebral Disc Protrusion (spinal disc protrusion): 7 people, 13.73%

What are the existing conditions these people have? *

  1. High Blood Cholesterol: 10 people, 19.61%
  2. Asthma: 7 people, 13.73%
  3. Depression: 6 people, 11.76%
  4. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 5 people, 9.80%
  5. Psoriasis (immune-mediated disease that affects the skin): 5 people, 9.80%
  6. Kidney Stones: 5 people, 9.80%
  7. Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 4 people, 7.84%
  8. Stress And Anxiety: 4 people, 7.84%
  9. Prostatic Disorder: 4 people, 7.84%
  10. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 3 people, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Finasteride and have Injection site erythema?

- Check whether Injection site erythema is associated with a drug or a condition
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Related studies:

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

Injection site erythema treatments and more:

How severe was Injection site erythema and when was it recovered:

Expand to all the drugs that have ingredients of finasteride:

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 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 the drugs that are associated with Injection site erythema:

Browse all the conditions that are associated with Injection site erythema:

Related publications that referenced our studies


How the study uses the data?

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