You can read manual for "Arava Арава" on [ENG] and [RUS]:

Arava Description
Before using Arava
Carcinogenesis, Mutagenesis, and Impairment of Fertility
Contraindications
Definition of Echinacea
Drug Elimination Procedure
Hepatotoxicity
How is Arava Supplied
How should I take leflunomide
Immunosuppression PotentialBone Marrow Suppression
Important safety information
Indications and Usage for Arava
Leflunomide Description
Leflunomide side effects
leflunomide, Arava
Overdosage
Patient Information
Use in Women of Childbearing Potential
What is leflunomide
What is the most important information I should know about leflunomide
What other drugs will affect leflunomide
What should I discuss with my healthcare provider before taking leflunomide