Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs VasculitisUpdated: 2017-06-13OverviewVasculitis is an inflammation of the blood vessels that can cause vessel walls to thicken and narrow, cutting off vital blood supply to tissues and organs.SymptomsSymptoms include fever, fatigue, weight loss, and muscle and joint pain.TreatmentsSome forms of vasculitis improve on their own. Others require medications. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use