Andrew Jackson Mother and father both died when he was at a young age. His father died when he was 15 and his mother when he was 20. His mother was in a way killed by the Brit â¦ ish.
How It Works. Leflunomide (Arava) is a disease-modifying antirheumatic drug (DMARD) that is used to treat rheumatoid arthritis. It interferes with the progression of the disease by blocking the production of white blood cells that cause the joint inflammation in rheumatoid arthritis.
Leflunomide is an immunomodulatory drug that achieves its effects by inhibiting the mitochondrial enzyme dihydroorotate dehydrogenase (DHODH), which plays a key role in the de novo synthesis of uridine monophosphate (rUMP), which is required for the synthesis of DNA and RNA.