Lemtrada and Fever - a phase IV clinical study of FDA data

Summary:

Fever is reported as a side effect among people who take Lemtrada (alemtuzumab), especially for people who are female, 30-39 old, have been taking the drug for < 1 month also take Paracetamol, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Fever when taking Lemtrada. It is created by eHealthMe based on reports of 8,297 people who have side effects when taking Lemtrada from the FDA, and is updated regularly.

What is Lemtrada?

Lemtrada has active ingredients of alemtuzumab. eHealthMe is studying from 8,317 Lemtrada users. Check the latest studies of Lemtrada.

What is Fever?

Fever is found to be associated with 3,492 drugs and 6,180 conditions by eHealthMe. Check the latest studies of Fever.

On Apr, 11, 2026

8,297 people reported to have side effects when taking Lemtrada.
Among them, 896 people (10.8%) have Fever.

Among these 896 people:

* Approximation only. Some reports may have incomplete information.

Do you take Lemtrada and have Fever?

- Check whether Fever 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 Lemtrada:

Lemtrada (8,317 reports)

Fever treatments and more:

Fever (498,666 reports)

How severe was Fever and when was it recovered:

Fever in Lemtrada

Expand to all the drugs that have ingredients of alemtuzumab:

Fever and drugs with ingredients of alemtuzumab (2,911 reports)

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 Lemtrada:

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 Fever:

Fever (3,492 drugs)

Browse all the conditions that are associated with Fever:

Fever (6,180 conditions)

Related publications that referenced our studies

Schiller D, Maieron A, Sch?fl R, Donnerer J, "Drug fever due to a single dose of pantoprazole", Pharmacology, 2015 Jan .
Schiller D, Maieron A, Sch?fl R, Donnerer J, "Drug fever due to a single dose of pantoprazole", Pharmacology, 2015 Jan .

How the study uses the data?

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