Fluorouracil and Rash vesicular - a phase IV clinical study of FDA data

Summary:

Rash vesicular is reported as a side effect among people who take Fluorouracil (fluorouracil), especially for people who are female, 50-59 old, have been taking the drug for 1 - 6 months also take Leucovorin Calcium, and have Breast cancer.

The phase IV clinical study analyzes which people have Rash vesicular when taking Fluorouracil. It is created by eHealthMe based on reports of 96,940 people who have side effects when taking Fluorouracil from the FDA, and is updated regularly.

What is Fluorouracil?

Fluorouracil has active ingredients of fluorouracil. It is often used in colon cancer metastatic. eHealthMe is studying from 97,087 Fluorouracil users. Check the latest studies of Fluorouracil.

What is Rash vesicular?

Rash vesicular (rash with a small bubble) is found to be associated with 528 drugs and 644 conditions by eHealthMe. Check the latest studies of Rash vesicular.



On Jul, 11, 2026

96,940 people reported to have side effects when taking Fluorouracil.
Among them, 12 people (0.01%) have Rash vesicular.

Could Fluorouracil cause Rash vesicular?

Among these 12 people:

How long have people been on Fluorouracil when they have Rash vesicular? *

  • < 1 month: 0.0 %
  • 1 - 6 months: 100 %
  • 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 Rash vesicular when taking Fluorouracil? *

  • female: 58.33 %
  • male: 41.67 %

What is the age of people who have Rash vesicular when taking Fluorouracil? *

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

What are other drugs people take besides Fluorouracil? *

  1. Benadryl: 2 people, 16.67%
  2. Eloxatin: 2 people, 16.67%
  3. Leucovorin Calcium: 2 people, 16.67%
  4. Zofran: 1 person, 8.33%
  5. Vitamin B12: 1 person, 8.33%
  6. Avastin: 1 person, 8.33%
  7. Cyclophosphamide: 1 person, 8.33%
  8. Erivedge: 1 person, 8.33%
  9. Hydroxyzine: 1 person, 8.33%
  10. Kytril: 1 person, 8.33%

What are other side effects people have besides Rash vesicular? *

  1. Rashes (redness): 4 people, 33.33%
  2. Rash Erythematous (redness of the skin): 3 people, 25.00%
  3. Vision Blurred: 2 people, 16.67%
  4. Nausea And Vomiting: 2 people, 16.67%
  5. Itching: 2 people, 16.67%
  6. Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 1 person, 8.33%
  7. Intestinal Ischaemia (decreased supply of oxygenated blood to the intestines): 1 person, 8.33%
  8. Impetigo (contagious skin infection): 1 person, 8.33%
  9. Hypotension (abnormally low blood pressure): 1 person, 8.33%
  10. Herpes Zoster: 1 person, 8.33%

What are the existing conditions these people have? *

  1. Breast Cancer: 2 people, 16.67%
  2. Psoriasis (immune-mediated disease that affects the skin): 1 person, 8.33%
  3. Oesophageal Adenocarcinoma Stage Iv (cancer has spread to other parts of the body): 1 person, 8.33%
  4. Colorectal Cancer Metastatic (cancer of colon and rectal spreads to other parts): 1 person, 8.33%
  5. Colon Cancer: 1 person, 8.33%
  6. Basal Cell Carcinoma (a skin cancer, it rarely metastasizes or kills): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Fluorouracil and have Rash vesicular?

- Check whether Rash vesicular 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 Fluorouracil:

Rash vesicular treatments and more:

How severe was Rash vesicular and when was it recovered:

Expand to all the drugs that have ingredients of fluorouracil:

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 Fluorouracil:

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 Rash vesicular:

Browse all the conditions that are associated with Rash vesicular:


How the study uses the data?

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



Recent studies on eHealthMe: