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Vaniqa and Rashes - a phase IV clinical study of FDA data

Summary:

Rashes is reported as a side effect among people who take Vaniqa (eflornithine hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Amoxicillin, and have Hair growth abnormal.

The phase IV clinical study analyzes which people have Rashes when taking Vaniqa. It is created by eHealthMe based on reports of 634 people who have side effects when taking Vaniqa from the FDA, and is updated regularly.

What is Vaniqa?

Vaniqa has active ingredients of eflornithine hydrochloride. eHealthMe is studying from 639 Vaniqa users. Check the latest studies of Vaniqa.

What is Rashes?

Rashes (redness) is found to be associated with 3,713 drugs and 6,213 conditions by eHealthMe. Check the latest studies of Rashes.

On Jul, 16, 2026

634 people reported to have side effects when taking Vaniqa.
Among them, 53 people (8.36%) have Rashes.

Could Vaniqa cause Rashes?

Among these 53 people:

How long have people been on Vaniqa when they have Rashes? *

  • < 1 month: 64.29 %
  • 1 - 6 months: 32.14 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 3.57 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Rashes when taking Vaniqa? *

  • female: 94.23 %
  • male: 5.77 %

What is the age of people who have Rashes when taking Vaniqa? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 5.88 %
  • 20-29: 8.82 %
  • 30-39: 2.94 %
  • 40-49: 11.76 %
  • 50-59: 20.59 %
  • 60+: 50.0 %

What are other drugs people take besides Vaniqa? *

  1. Amoxicillin: 6 people, 11.32%
  2. Nasonex: 5 people, 9.43%
  3. Azithromycin: 4 people, 7.55%
  4. Triamcinolone: 4 people, 7.55%
  5. Promethazine: 4 people, 7.55%
  6. Prednisone: 4 people, 7.55%
  7. Hydrocortisone: 4 people, 7.55%
  8. Lexapro: 4 people, 7.55%
  9. Famotidine: 4 people, 7.55%
  10. Cephalexin: 4 people, 7.55%

What are other side effects people have besides Rashes? *

  1. Burning Sensation: 10 people, 18.87%
  2. Itching: 8 people, 15.09%
  3. Drug Ineffective: 7 people, 13.21%
  4. Skin Burning Sensation: 5 people, 9.43%
  5. Hair Loss: 5 people, 9.43%
  6. Nausea (feeling of having an urge to vomit): 5 people, 9.43%
  7. Fatigue (feeling of tiredness): 4 people, 7.55%
  8. Joint Pain: 4 people, 7.55%
  9. Dyspnea (difficult or laboured breathing): 4 people, 7.55%
  10. Insomnia (sleeplessness): 4 people, 7.55%

What are the existing conditions these people have? *

  1. Hair Growth Abnormal: 28 people, 52.83%
  2. Excessive Or Unwanted Hair In Women: 4 people, 7.55%
  3. Acne (skin problems that cause pimples): 2 people, 3.77%
  4. Hidradenitis (chronic disease of a type of sweat gland): 2 people, 3.77%
  5. Type 2 Diabetes: 1 person, 1.89%
  6. Breast Cancer: 1 person, 1.89%
  7. Depilation (hairlessness): 1 person, 1.89%
  8. Depression: 1 person, 1.89%
  9. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 1.89%
  10. Hair Disorder: 1 person, 1.89%

* Approximation only. Some reports may have incomplete information.

Do you take Vaniqa and have Rashes?

- Check whether Rashes 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 Vaniqa:

Rashes treatments and more:

How severe was Rashes and when was it recovered:

Expand to all the drugs that have ingredients of eflornithine hydrochloride:

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 Vaniqa:

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 Rashes:

Browse all the conditions that are associated with Rashes:

How the study uses the data?

The study uses data from the FDA. It is based on eflornithine hydrochloride (the active ingredients of Vaniqa) and Vaniqa (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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