Problem analysis: For vasculitis confined to the skin, antihistamines are commonly used, such as chlorpheniramine 12mg/ day, 75mg/ day, taken three times, indomethacin 25 mg, 2-3 times a day and ibuprofen 0.4 g, twice a day;

Rehabilitation instruction: Anticoagulant Komatsu can be aspirin, 3- 10 mg per kilogram of body weight per day, vasodilator nifedipine, 10 mg, three times a day, or isosorbide dinitrate, 10 mg, three times a day.

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