Botox and Injection site rash - a phase IV clinical study of FDA data

Summary:

Injection site rash is reported as a side effect among people who take Botox (botulinum toxin type a), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Vitamin D, and have Skin wrinkling.

The phase IV clinical study analyzes which people have Injection site rash when taking Botox. It is created by eHealthMe based on reports of 69,984 people who have side effects when taking Botox from the FDA, and is updated regularly.

What is Botox?

Botox has active ingredients of botulinum toxin type a. It is often used in migraine. eHealthMe is studying from 70,513 Botox users. Check the latest studies of Botox.

What is Injection site rash?

Injection site rash is found to be associated with 699 drugs and 713 conditions by eHealthMe. Check the latest studies of Injection site rash.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 31, 2026

69,984 people reported to have side effects when taking Botox.
Among them, 468 people (0.67%) have Injection site rash.

Among these 468 people:

* Approximation only. Some reports may have incomplete information.

Do you take Botox and have Injection site rash?

- Check whether Injection site rash 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 Botox:

Botox (70,513 reports)

Injection site rash treatments and more:

Injection site rash (27,338 reports)

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

Injection site rash in Botox

Expand to all the drugs that have ingredients of botulinum toxin type a:

Injection site rash and drugs with ingredients of botulinum toxin type a

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 Botox:

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 rash:

Injection site rash (699 drugs)

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

Injection site rash (713 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on botulinum toxin type a (the active ingredients of Botox) and Botox (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.