It is possible to have reddish colored stools when eating shrimp.
Shrimp contains a certain amount of astaxanthin, if the amount of food at a time is too large, it is possible to have a reddish stool color, may appear reddish brown or dark red.
In this case, reduce the amount of shrimp, increase the intake of vegetables, observe the stool, if 2~3 days later, the stool color back to normal, is normal, do not need to worry.
However, if you eat shrimp after defecation was bright red or obvious blood, or in 2 ~ 3 days after the stool color is still not normal, more than considered to be the case of gastrointestinal bleeding. It is recommended to consult a doctor in time, improve the fecal occult blood test and gastroenteroscopy and other related examinations, to further clarify, and if necessary, to carry out appropriate treatment.