Keep out of reach of children. In case of accidental overdose, get medical help or contact a doctor or Poison Control Center (1-800-222-1222) right away. Ask a doctor before use if you have abdominal pain nausea vomiting noticed a sudden change in bowel habits that persists over a period of 2 weeks. When using this product do not chew or crush tablets abdominal discomfort, faintness, and cramps may occur. If pregnant or breast-feeding, ask a health professional before use. Stop use and ask a doctor if you need to use more than 1 week rectal bleeding or failure to have a bowel movement after use of a laxative. These may be signs of a serious condition. Warnings Do not use if you are unable to swallow without chewing within 1 hour after taking an antacid or milk.