This medication is used to treat rheumatoid arthritis, a condition in which the body’s defense system (immune system) fails to recognize the body as itself and attacks the healthy tissues around the joints. Leflunomide helps to reduce the joint damage/pain/swelling and helps you to move better. I

It can cause Diarrhea, nausea, dizziness . Major side effects include cough, numbness/tingling of hands/feet, hair loss, chest pain, fast/pounding heartbeat, increased thirst/urination, muscle cramp/pain, mental/mood changes, vision changes, easy bruising/bleeding, unusual growths/lumps, unexplained weight loss, unusual tiredness.

It is contraindicated in patients with known hypersensitivity to the drug