Trimethoprim and Nosebleed - a phase IV clinical study of FDA data

Summary:

Nosebleed is reported as a side effect among people who take Trimethoprim (trimethoprim), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Ramipril, and have Insomnia.

The phase IV clinical study analyzes which people have Nosebleed when taking Trimethoprim. It is created by eHealthMe based on reports of 7,878 people who have side effects when taking Trimethoprim from the FDA, and is updated regularly.

What is Trimethoprim?

Trimethoprim has active ingredients of trimethoprim. It is often used in urinary tract infection. eHealthMe is studying from 8,213 Trimethoprim users. Check the latest studies of Trimethoprim.

What is Nosebleed?

Nosebleed (bleeding from nose) is found to be associated with 2,076 drugs and 3,093 conditions by eHealthMe. Check the latest studies of Nosebleed.



On Aug, 06, 2026

7,878 people reported to have side effects when taking Trimethoprim.
Among them, 30 people (0.38%) have Nosebleed.

Could Trimethoprim cause Nosebleed?

Among these 30 people:

How long have people been on Trimethoprim when they have Nosebleed? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Nosebleed when taking Trimethoprim? *

  • female: 72.41 %
  • male: 27.59 %

What is the age of people who have Nosebleed when taking Trimethoprim? *

  • 0-1: 0.0 %
  • 2-9: 11.54 %
  • 10-19: 3.85 %
  • 20-29: 3.85 %
  • 30-39: 0.0 %
  • 40-49: 3.85 %
  • 50-59: 3.85 %
  • 60+: 73.08 %

What are other drugs people take besides Trimethoprim? *

  1. Acetaminophen: 6 people, 20.00%
  2. Warfarin Sodium: 6 people, 20.00%
  3. Ramipril: 6 people, 20.00%
  4. Prednisone: 5 people, 16.67%
  5. Furosemide: 5 people, 16.67%
  6. Doxycycline: 5 people, 16.67%
  7. Vancomycin: 5 people, 16.67%
  8. Ibuprofen: 5 people, 16.67%
  9. Levothyroxine Sodium: 5 people, 16.67%
  10. Amlodipine: 4 people, 13.33%

What are other side effects people have besides Nosebleed? *

  1. Dry Eyes (lack of adequate tears): 6 people, 20.00%
  2. Haemoglobin Decreased: 6 people, 20.00%
  3. Mouth Haemorrhage (bleeding from mouth): 5 people, 16.67%
  4. Vaginal Bleeding: 5 people, 16.67%
  5. Genital Haemorrhage (bleeding from genital): 5 people, 16.67%
  6. Anaemia (lack of blood): 4 people, 13.33%
  7. Abdominal Pain: 3 people, 10.00%
  8. White Blood Cell Count Decreased: 3 people, 10.00%
  9. Nausea (feeling of having an urge to vomit): 3 people, 10.00%
  10. Oedema Peripheral (superficial swelling): 3 people, 10.00%

What are the existing conditions these people have? *

  1. White Blood Cell Count Decreased: 2 people, 6.67%
  2. Dizziness: 2 people, 6.67%
  3. Breast Cancer: 2 people, 6.67%
  4. Pulmonary Hypertension (increase in blood pressure in the lung artery): 2 people, 6.67%
  5. Bronchospasm (spasm of bronchial smooth muscle producing narrowing of the bronchi): 2 people, 6.67%
  6. Burkitt Lymphoma (cancer of the lymphatic system): 2 people, 6.67%
  7. Constipation: 2 people, 6.67%
  8. Muscle Spasms (muscle contraction): 2 people, 6.67%
  9. Laxative Supportive Care: 2 people, 6.67%
  10. Insomnia (sleeplessness): 2 people, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Trimethoprim and have Nosebleed?

- Check whether Nosebleed is associated with a drug or a condition
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Related studies:

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

Nosebleed treatments and more:

How severe was Nosebleed and when was it recovered:

Expand to all the drugs that have ingredients of trimethoprim:

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 Trimethoprim:

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 Nosebleed:

Browse all the conditions that are associated with Nosebleed:


How the study uses the data?

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