Leflunomide affects the immune system and reduces swelling and inflammation in the body. Leflunomide is used to treat the symptoms of rheumatoid arthritis. Leflunomide also helps reduce joint damage and improves physical functioning. Leflunomide may also be used for other purposes not listed in this medication guide.
Arava is a drug that reduces inflammation in the joint area of the body. This process reduces the level of arthritis and destructions of the joint. Arava suppresses the immune cells by creating inhibiting dihydrofolate dehydrogenase. This is an enzyme that is needed for the production of RNA and DNA. Without the RNA and DNA, it is not possible for most cells including the immune cells to multiply or even function effectively.