Let's take a minute to talk about your medication.

This is leflunomide. You may hear it called by the brand name, Arava. Leflunomide treats rheumatoid arthritis. It may have other uses, too.

This medicine is often taken one time each day. You should take it exactly how your doctor tells you to. You can take it with or without food. You should swallow the tablet whole, and do not crush or chew it.

Most people tolerate this medicine well. Common side effects include headaches, upset stomach, nausea and diarrhea. These effects are normal if they are mild, and should go away. Rashes are common, but certain rashes can be very serious. Let your doctor know right away if you have a rash. If these or other side effects become reasons you want to stop taking this medicine, please talk to your doctor or pharmacist.

This medicine can increase your chance of getting infections. You should try to avoid germs. Also, tell your doctor right away if you have a fever or think you have an infection. 

As with any medicine, rare but more serious side effects can occur. With leflunomide, these include high blood pressure, pain that burns or tingles, low blood counts, and problems with the liver and lungs. You should talk to your doctor about what symptoms to watch for, and when to report changes. To help keep this medicine safe for you, your doctor will order blood tests. 

Drug interactions can occur. You should talk to your doctor or pharmacist before taking other medicines.

This medicine can harm babies if taken during pregnancy. Also, it is not safe for breastfeeding. 
Women must talk to their doctors about what birth control to use.  

For best results with leflunomide, work with your doctor to set your treatment goals.