Hi. My son is having trouble with his bowels. He is 18 and not long in universities and can t keep much inside. Poosnfour two five times a night, and also during the day.mwwntmto university dr all she did was give iron tablets vitamin c and had a poo sample done which now he has to wait another month.mbacknat second visit and still none the wiser with the blood tests. He can t keep anything down and is loosing weight, and feeling tired.mi am very concerned. Could this all be stress or something wrong inside. I am worried since he is loosing weight and still none the wiser with the drs visits. Please help.