31. Vasculitis more often affects younger men.32. It is felt to be a systemic vasculitis ( inflammation of blood vessels ) with unknown cause. 33. These include Rheumatoid arthritis, Systemic lupus erythematosus, Multiple sclerosis, Vasculitis , and many others. 34. Rheumatoid vasculitis can thus commonly present with skin ulceration and vasculitic nerve infarction known as mononeuritis multiplex. 35. It is also an autoimmune form of vasculitis , This categorization is considered essential for appropriate treatment. 36. Cinnarizine has also been found to be a valuable second-line treatment for idiopathic urticarial vasculitis . 37. About 30 50 % of people with acute necrotizing vasculitis ( polyarteritis nodosa ) are HBV carriers. 38. Ocular involvement can be in the form of posterior uveitis, anterior uveitis, or retinal vasculitis . 39. Pathological findings can suggest an inflammatory process, but features of a severe vasculitis are often absent. 40. Some doctors prescribe the malaria drug hydroxychloroquine to reduce inflammation, and steroids for severe symptoms like vasculitis .