A kidney stone is a rigid, crystalline material of mineral formed inside the kidney or urinary area. Kidney stones are building up of minerals and salts present in the urine. This minerals and salts attach together and form small pebbles. They may be as small as sand grains or they can be as large as golf balls. They may reside in kidney or go out of body via urinary tract. The urinary tract is part of body, which makes urine and brings it out of body. The state of having kidney stones is referred as nephrolithiasis. Having stones at any place in the urinary region is termed as urolithiasis.
Kidney stones develop when some alteration takes place in the normal balance of salts, water, minerals, and other material found in urine. Normally kidney stones develop because of insufficient drinking of water. Try to drink sufficient water to maintain your urine clear (at least 3 to 4 liters of water daily). Some people are more probable to get kidney stones due to some medical circumstances or family history. Kidney stones may also be a hereditary problem. If someone in family has had kidney stones, you may have them too.
Kidney stones generally cause no pain while they are in the kidneys but they can cause regular and severe abdomen ache and blood in the urine when they travel from the kidneys to the bladder. Kidney stones are also known as renal calculi. Many people suffer from kidney stone at some point in their life.