Grapes do not cause constipation. Because of their water and fiber content, grapes can actually be beneficial for constipation. Grapes can also help people stay hydrated.
Constipation occurs when people have infrequent bowel movements. This can lead to hard and dry stools. There can be different causes of constipation, including a diet that has insufficient fiber or fluid intake, pregnancy, medications and some medical conditions.
If a person experiences occasional bouts of constipation, it may be beneficial to add more fiber foods like grapes, oranges and bran to the diet. Similarly, drinking plenty of fluids and getting more exercise may be helpful. However, if a person has chronic constipation, then he or she may want to visit the doctor for a diagnosis because the problem may be a symptom of an underlying medical condition.