It is not always known what causes a kidneyOne of two bean-shaped organs that are located on either side of the body, below the ribcage. The main role of the kidneys is to filter out waste products from the blood. stone to be formed, although urinary tractThe channels that carry urine from the kidneys to the outside of the body. infections are often linked to stone formation. Kidney stones are also known as renalRelating to the kidney.calculiStones that form in on organ or duct of the body. are common amongst people between the ages of 30 and 60 years.
Scientists do not believe that specific foods can cause kidney stones to form, although certain foods may promote stone formation in people who are susceptible. The other principle causes of kidney stones include a family history of kidney stones, kidney disorders such as cystic kidney diseases, rare hereditary diseases such as renal tubular acidosis, and certain metabolic disordersA group of disorders in which some aspect of body chemistry is disturbed. such as hyperparathyroidismExcessive secretion of parathyroid hormone from the parathyroid glands..
More than half of patients suffering from kidney stones have inherited high levels of calciumAn element that forms the structure of bones and teeth and is essential to many of the body's functions., known as hypercalciuriaA condition whereby there are excessive amounts of calcium in the urine., which causes crystals to be formed in the kidneys or urinary tract resulting in kidney stones.
Other causes of kidney stones are hyperuricosuriaA medical condition whereby there are excessive amounts of uric acid present in the urine., cystinuria and hyperoxaluria, inherited metabolic disorders as well as goutA common metabolic disorder that causes attacks of arthritis, usually in a single joint. Gout is due to high levels of uric acid in the blood., excessive vitaminEssential substances that cannot be produced by the body and so must be acquired from the diet. D, and blockage of the urinary tract. Certain diureticsDrugs that help to remove excess water from the body by increasing the amount lost in urine. and antacids may also increase the risk of forming kidney stones by increasing the amount of calcium in the urine.