Arava and Hepatic necrosis - a phase IV clinical study of FDA data

Summary:

Hepatic necrosis is reported as a side effect among people who take Arava (leflunomide), especially for people who are female, 60+ old, have been taking the drug for 6 - 12 months also take Methotrexate, and have Asthma.

The phase IV clinical study analyzes which people have Hepatic necrosis when taking Arava. It is created by eHealthMe based on reports of 75,674 people who have side effects when taking Arava 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 Hepatic necrosis?

Hepatic necrosis (large portions of liver die off due to severe liver disease) is found to be associated with 590 drugs and 744 conditions by eHealthMe. Check the latest studies of Hepatic necrosis.

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, 30, 2026

75,674 people reported to have side effects when taking Arava.
Among them, 49 people (0.06%) have Hepatic necrosis.

Among these 49 people:

How long have people been on Arava when they have Hepatic necrosis? *

What is the gender of people who have Hepatic necrosis when taking Arava? *

female: 66.67 %
male: 33.33 %

What is the age of people who have Hepatic necrosis when taking Arava? *

What are other drugs people take besides Arava? *

What are other side effects people have besides Hepatic necrosis? *

Hepatic Failure (liver failure): 17 people, 34.69%
Fever: 11 people, 22.45%
Atelectasis (partial or complete collapse of the lung): 10 people, 20.41%
Blood Bilirubin Increased: 10 people, 20.41%
Liver Function Tests Nos Abnormal: 8 people, 16.33%
Aspartate Aminotransferase Increased: 8 people, 16.33%
Rash Maculo-Papular (red area on the skin that is covered with small confluent bumps): 8 people, 16.33%
Alanine Aminotransferase Increased: 8 people, 16.33%
Pleuritic Pain: 8 people, 16.33%
Fatty Liver: 7 people, 14.29%

What are the existing conditions these people have? *

Osteoporosis (bones weak and more likely to break): 5 people, 10.20%
Asthma: 5 people, 10.20%
Tuberculin Test Positive: 2 people, 4.08%
Stable Angina (a constant chest pain): 2 people, 4.08%
Emphysema (chronic respiratory disease - over inflation of the air sacs (alveoli) in the lungs): 2 people, 4.08%
Polyarthritis (arthritis which involves 5 or more joints simultaneously): 1 person, 2.04%
Pain: 1 person, 2.04%
Oedema (fluid collection in tissue): 1 person, 2.04%
Hyperuricaemia (level of uric acid in the blood that is abnormally high): 1 person, 2.04%
Hyperlipidaemia (presence of excess lipids in the blood): 1 person, 2.04%

* Approximation only. Some reports may have incomplete information.

Do you take Arava and have Hepatic necrosis?

- Check whether Hepatic necrosis is associated with a drug or a condition
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- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Arava:

Arava (76,040 reports)

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 the drugs that are associated with Hepatic necrosis:

Hepatic necrosis (590 drugs)

Browse all the conditions that are associated with Hepatic necrosis:

Hepatic necrosis (744 conditions)

How the study uses the data?

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