Drugs are the most common trigger of anaphylaxis 62.8%, vaccines: 18, 6%, food: 14%, insect venom: 3, 9%, others: 0, 7%. The symptoms are diversity: drugs anaphylactic reactions affect the circulation (91%) and nerve system (88%), vaccine anaphylactic reactions affect the circulation (92%) and nerve system (96%); food and insect venom anaphylactic reactions affects the skin and mucous membranes (100%, 100%).