Hi...., Adding fiber to her diet increases the weight of stool and speeds its passage through your intestines..... You can also consider stool softeners.... Stool softeners moisten the stool by drawing water from the intestines.... Lubricants enable stool to move through your colon more easily..... For urinary tract infection she should Drink plenty of water. Water helps to dilute urine and flush out bacteria..... Avoid coffee, alcohol, and soft drinks containing citrus juices or caffeine until infection has cleared. They can irritate bladder and tend to aggravate....