Eat a well- balanced diet with plenty of fiber. Good sources of fiber are fruits, vegetables, legumes, and whole-grain bread and cereal (especially bran). Drink 1 1/2 to 2 quarts of water and other fluids a day (unless your doctor has you on a fluid-restricted diet). Fiber and water work together to keep you regular.
Zofran: FDA Pregnancy Category B. According to the United States Food and Drug Administration (FDA), ondansetron (Zofran) is a Pregnancy Category B drug. This means there is no evidence of risk in humans. Either animal findings show risk, but human findings do not; or, if no adequate human studies have been done, animal findings are negative.
Zofran is a brand name for the drug ondansetron, prescribed to treat or prevent nausea and vomiting. Doctors sometimes prescribe Zofran to treat nausea and vomiting caused by cancer treatments such as chemotherapy and radiation therapy.Zofran also can treat nausea and vomiting after surgery. For radiation therapy, a typical adult dose of Zofran is 24 mg daily. 2  For prevention of nausea and vomiting after surgery, a typical adult dose of Zofran is 16 mg before surgery.