What you eat can contribute to the formation of kidney stones. So use this to your advantage and change your diet to help you get rid of them.
Watermelon may help to dissolve kidney stones as it cleanses your kidneys. Tincture of hydrangea leaves in the form of a tea may also dissolve kidney stones.
Uric acid kidney stones develop in an excessively acid environment. Plants like strawberries, plantain and asparagus can help make this excessively acid environment more alkaline, and avoid the formation of kidney stones.
Parsley may relieve edema and prevent the formation of kidney stones due to its diuretic properties.
"Kidney stones are mineral deposits which are made up of calcium, uric acid or the amino acid cysteine. There are many different theories as to how these 'stones' form, but no one seems to know for sure. Regardless of how they form, kidney stones can often be avoided and eliminated naturally without resorting to mainstream drugs or treatments."
http://www.naturalnews.com/028828_kidney_stones_remedies.html