kidney stones can come from dehydration, excessive intake of foods such as calcium supplements, red meat, chocolate, coffee, other metabolic conditions, gastric bypass surgery etc.
they are crystals of calcium combined with other minerals or just made up of uric acid
once a stone has passed or from information derived from X-rays done by your doctor the [...]

Do you have flank pain all the time but no stones? Did you doctor tell you your kidney is swollen.  You may have ureteropelvic junction obstruction.  Do you have pain every time you have coffee or drink alcohol?  That is called Dietels crisis.  Its when a blocked kidney feels more pressure from the diuretic (extra [...]