“…The upper and lower intestinal tract are involved in KD as well. Nausea [ 2 , 6 , 32 , 37 , 39 , 41 , 43 , 48 , 49 , 55 , 56 , 58 ], vomiting [ 6 , 35 , 37 , 39 - 41 , 43 , 44 , 55 ], stomach cramps [ 48 ], epigastric pain [ 47 , 49 ], dysphagia [ 34 , 40 , 51 ], abdominal pain [ 39 , 40 , 51 , 58 ], abdominal tenderness [ 49 ], abdominal distension [ 47 ], and diarrhoea [ 32 , 39 - 41 , 47 - 49 ] are the main symptoms and signs.…”