What causes gallstones?

Gallstones can be caused by a number of factors.

Here's a short list of some of the more common causes:

• obesity
• use of contraceptives
• pregnancy
• genetic predisposition
• abnormalities in the production of red blood cells

How do I know if my child has gallstones?

Usually your child will experience pain in the right upper or upper middle part of her abdomen or back, particularly after meals.

• Fatty or greasy foods are often most troublesome.
• Nausea and vomiting may occur.