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

Summary:

Drug interactions are reported among people who take Rayos (prednisone) and Arava (leflunomide). Common drug interactions include sinusitis among females.

The phase IV clinical study analyzes what interactions people have when they take Rayos and Arava. It is created by eHealthMe based on reports of 19 people who take the same drugs from the FDA, and is updated regularly.

What is Rayos?

Rayos has active ingredients of prednisone. It is often used in systemic lupus erythematosus. eHealthMe is studying from 896 Rayos users. Check the latest studies of Rayos.

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.



On Jul, 26, 2026

19 people who take Rayos and Arava together, and have interactions are studied.

Rayos and Arava drug interactions.

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

female:

  1. Sinusitis (inflammation of sinus)
  2. Drug ineffective
  3. Heart rate increased
  4. Insomnia (sleeplessness)
  5. Pain
  6. Arthralgia (joint pain)
  7. Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
  8. Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)
  9. Cellulitis (infection under the skin)
  10. Cough

male:

n/a

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

  1. Drug ineffective
  2. Nausea (feeling of having an urge to vomit)
  3. Vomiting

50-59:

  1. Drug ineffective
  2. Dyspnoea (difficult or laboured respiration)
  3. Gait disturbance
  4. Heart rate increased
  5. Insomnia (sleeplessness)
  6. Pain
  7. Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
  8. Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)
  9. Influenza
  10. Injection site pruritus (severe itching at injection site)

60+:

  1. Cellulitis (infection under the skin)
  2. Cough
  3. Pain in extremity
  4. Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  5. Pulmonary arterial hypertension (high blood pressure in the arteries of lungs)
  6. Sinusitis (inflammation of sinus)
  7. Drug ineffective
  8. Dyspnoea (difficult or laboured respiration)
  9. Fatigue (feeling of tiredness)
  10. Haematocrit decreased

What are the existing conditions these people have? *

  1. Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 1 person, 5.26%
  2. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Rayos and Arava?

- 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 Rayos and 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

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 Rayos:

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 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 interactions between Rayos 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 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

How the study uses the data?

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



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