functional disoders of gastreointestinal system

based on rome iii criteria, functional disorders of gi are listed below:   infant regurgitation: -regurgitation two or more times per day for 3 or more weeks -no retching, hematemesis, aspiration, apnea, ftt, abnormal posturing infant rumination syndrome: -repetitive contraction of abdominal muscle -regurgitation of gastric content in to the mouth and reswallowed cyclic vomiting syndrome: -two or more periods of intense nausea and vomiting lasting hours to days  and return    to usual state of health lasting weeks to months infant colic: -paroxysms of irritability, or crying that start and stop without obvious cause - episodes lasting 3 or more hours pre day and occurring at least 3 days per week for at least 1 week infant dyschesia: in a child less than 6 months old, must include: - at least 10 minutes of straing and crying before successful passage of soft stools functional dyspepsia: - persistent or recurrent discomfort centered in the upper abdomen - not  relieved by defecation -no evidence of an inflammatory or other causes that explains the symptoms -criteria fulfilled at least once per week for at least 2 months irritable bowel syndrome: -abdominal discomfort associated with two or more of the following -improvement with defecation -change in frequency of stool -change in form of stool -no evidence of an inflammatory or other causes that explain the symptoms -criteria fulfilled at least once per week for at least 2 month functional diarrhea, functional constipation, aerophagia,  abdominal migraine, functional abdominal pain,   are other  functional  gi disorders.