Seek urgent medical evaluation to confirm the diagnosis and identify the type of vasculitis
Treat any underlying cause, such as infection, autoimmune disease, or medication trigger
Use corticosteroids to reduce inflammation
Use immunosuppressive medicines when needed, such as cyclophosphamide, azathioprine, methotrexate, mycophenolate, or rituximab
Use biologic therapy in selected cases
Use plasma exchange in severe or life-threatening cases
Treat organ-specific complications, such as kidney, lung, nerve, skin, or eye involvement
Control blood pressure and protect kidney function if affected
Manage pain and fever with appropriate medicines
Stop smoking and avoid known triggers
Monitor regularly with blood tests, urine tests, and specialist follow-up
Adjust treatment based on disease severity and response
Seek emergency care for chest pain, shortness of breath, stroke symptoms, vision loss, or rapidly worsening symptoms