Vasculitis (inflammation of blood vessels) can drastically increase the risk for a stroke. Some treatments can help relieve vasculitis, depending on the cause. Certain forms of vasculitis are caused by diseases. If the disease is treated, then the vasculitis should diminish. If the vasculitis is caused by particular drugs, your doctor may recommend an alternative option. Other forms of vasculitis can be caused by certain cancers, which can be harder to treat and also present other complications besides stroke.