When should a constipated person call doctor?

If you've been constipated for more than three weeks, see your doctor. See your doctor sooner if:

-Stools are consistently hard, dry or small

-You have severe pain in your abdomen or rectum

-You have rectal bleeding

-You feel sick or vomit.

-constipation is accompanied by unexplained weight loss or a fever

-There is blood in the stool

-Bowel movements are accompanied by nausea and/or vomiting

-Constipation lasts more than a few days