SCHOENLEIN-HENOCH syndrome, or anaphylactoid or allergic purpura, is a symptom complex which consists of a combination of two or more of the following symptoms: purpura, joint pain and/or swelling, intestinal colic, and intestinal bleeding. Renal bleeding may occur. The platelet count is normal or only slightly decreased. A case of this syndrome with all the above-mentioned findings is presented because of its unusual severity and because of its dramatic response to cortisone and its probable origin in an insect bite. REPORT OF CASE A white 4-year-old girl was admitted to the Golden Clinic on June 26, 1953. History was obtained from the parents. The chief complaints were diarrhea and swelling of the ankles. The present illness began seven days previously, when the child was stung on the right ankle by an insect, believed by the parents to be a deer fly or a wasp. Local swelling began in a matter