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 used to prevent nausea and vomiting due to chemotherapy treatment or surgery. It may also be used for other conditions as determined by a doctor. Zofran is a serotonin 5-HT3 receptor blocker. It works by blocking a chemical that causes nausea and vomiting in certain incidents (eg, chemotherapy)