Nephrolithiasis is a condition in which stones are formed in the urinary tract.Diet, excess body weight, some medical conditions, and certain supplements and medications are among the many causes of kidney stones.Watch this video to learn more about kidney stones. 0:30 Overview 1:00 Types of stones 1:40 Kidney stone formation 2:15 Manifestations 3:25 Risk factors 5:43 Pharmacological treatment 6:15 Shock wave lithotripsy 6:44 Other Treatment options 7:35 Prevention 9:40 Summary