Question: How can my child’s diet help prevent or relieve a bladder infection?
Answer: Researchers don’t think that diet can help prevent or treat most bladder infections in children. However, eating high-fiber foods to prevent constipation may help prevent some bladder infections in children.

Cranberry products—including cranberry juice, extract, or pills—don’t treat existing bladder infections. Some research says that cranberry products may help prevent bladder infections, but there isn’t enough evidence to be sure.3

For safety reasons, talk with a health care professional before giving your child dietary supplements, such as vitamins, or using any complementary or alternative medicines or medical practices.
Question: Can drinking liquids help prevent or relieve a bladder infection?
Answer: Drinking enough liquids can keep your child hydrated and help prevent or relieve bladder infections. Drinking enough liquids can also help prevent constipation, which may help prevent some bladder infections in children. Water is best.

Drinking plenty of liquids can help ease or prevent bladder infections in children. Water is best.