Among them, 48 cases (68.57%) were due to adverse drug reactions (80.64% non-specific, 12.9% related to antibiotics, 6.45% related to anti-epileptics); 6 cases (8.57%) were allergic to foods; 2 cases (2.85%) due to chemical products; 1 case is bitten by ant and 13 cases (18.57%) suspected to be infected with viruses and microbes.