Arava and Actemra drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Arava (leflunomide) and Actemra (tocilizumab). Common drug interactions include hepatic enzyme increased among females and drug ineffective among males.

The phase IV clinical study analyzes what interactions people have when they take Arava and Actemra. It is created by eHealthMe based on reports of 28,510 people who take the same drugs from the FDA, and is updated regularly.

What is Arava?

Arava has active ingredients of leflunomide. It is often used in rheumatoid arthritis. eHealthMe is studying from 76,040 Arava users. Check the latest studies of Arava.

What is Actemra?

Actemra has active ingredients of tocilizumab. It is often used in rheumatoid arthritis. eHealthMe is studying from 102,759 Actemra users. Check the latest studies of Actemra.

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, 24, 2026

28,510 people who take Arava and Actemra together, and have interactions are studied.

Arava and Actemra drug interactions.

What are the common drug interactions of Arava and Actemra, by gender? *

Click here to view

What are the common drug interactions of Arava and Actemra, by age (0-1 to 60+)? *

Click here to view

What are the existing conditions these people have? *

Click here to view

* Approximation only. Some reports may have incomplete information.

Do you take Arava and Actemra?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Arava and Actemra:

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

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 Arava:

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 side effects of Actemra:

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 interactions between Arava and drugs from A to Z:

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 interactions between Actemra and drugs from A to Z:

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

How the study uses the data?

The study uses data from the FDA. It is based on leflunomide and tocilizumab (the active ingredients of Arava and Actemra, respectively), and Arava and Actemra (the brand names). 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: