Cystinuria is a rare condition. This is when stones of cystine are formed in the kidney, ureter, and bladder. This makes cystine get build up in your urine and forms kidney stones. Once this happens they get stuck in the kidneys or bladder. This is most common in young adults. Signs and symptoms include blood in the urine (hematuria) and flank pain. This in normally only felt on one side and is extremely painful. To have these symptoms, you must inherit the faulty gene from not one, but both parents. You must first be diagnosed with kidney stones before getting any tests done. Treatment is used to prevent and stop from kidney stones from forming again. They are supposed to drink plenty of water to make you urinate more frequently. Sometimes