Baby food carrots are more concentrated, with 0.7 grams of fiber in 1 ounce, or 5.6 grams in a 1-cup portion. A cup of carrot juice, however, holds only a paltry 1.9 grams of dietary fiber. Continuum Health Partners lists carrots as one of the top 20 high-fiber foods in the American diet.
Abdominal distension refers to the swelling of the abdomen. The distension may be caused by either air (gas) or fluid collection. The accumulated substance causes an outward expansion of the stomach and waist beyond normal proportions.
In addition, simple distension of the colon can cause nausea. The other possibility is that the constipation is not causing the nausea--but that both the nausea and constipation are caused by the same process. For example, dehydration can cause both. So can the serious condition of bowel obstruction.