Henoch - Schonlein Purpura the differential diagnosis

First, idiopathic thrombocytopenic purpura according to the shape of skin purpura is not above the skin, Distribution of asymmetry and platelet count decrease, it is not difficult to identify. Henoch - Schonlein purpura with rashes such as vascular nerve edema, erythema shape urticaria or more distinction. Second, sepsis meningococcal septicemia caused by rash and Purpura similar, but the symptoms of poisoning weight, interleukin significantly increased, the shattered rash seized smear positive for bacteria. Third, the festival can be both rheumatoid arthritis pain and fever, a former Purpura more difficult to identify, with the development of disease, skin purpura, help identification. 4. Intestinal Invagination was particularly prevalent in infants. If children, abdominal touched mass, muscular tension of this disease should be suspected. Perspective barium enema may be differential. But anaphylactoid purpura can be accompanied by intestinal sets again and again, it should be much attention. 5, appendicitis can be both a and right lower abdominal pain with tenderness. But not anaphylactoid purpura abdominal tension, skin purpura there may be differential.