Do not use laxative products when abdominal pain, nausea, or vomiting are present unless directed by a doctor. If you have noticed a sudden change in bowel habits that persists over a period of 2 weeks, consult a doctor before using a laxative. Laxative products should not be used for a period of longer than 1 week unless directed by a doctor. Rectal bleeding or failure to have a bowel movement after use of a laxative may indicate a serious condition. Discontinue use and consult your doctor. Senna may produce abdominal pain, spasm or passage of liquid stools. Do not use if you have ileus, intestinal obstruction, intestinal stenosis, atonic bowel, acute intestinal inflammation (e.g. Crohn?s disease, ulcerative colitis), appendiciti.