Kidney stones and sand

Nephrolitiasis is chronic disease characterised with ingots or stones in the kidney cavities (calyces and pelvis). The formation of stones in the kidneys is complex disturbance of the metabolism in the organism, which are not clear up to date. Rarely the disease flows hidden. It has three main symptoms: pain, blood, presence of stones or their particles in the urine. Pain is located in the lumbar region and they are dull and constant. Sometimes they are acute, outburst and sawing.