Why is urine white?

Urine is white, many times is a normal physiological phenomenon, because there are a lot of inorganic salts in the urine, usually dissolved state, are solute, if the urine concentrated state, inorganic salt content is relatively high, solute content is high, supersaturation will precipitate to form crystalline urine, crystalline urine is white, as long as drink more water, promote solute dissolution, will form normal colorless transparent urine. In addition, white urine may be a disease state, such as urinary tract infection, pururia or bacteriuria, pus cells or bacteria gathered together, it will be white, forming white urine. There is also a special case is chyluria, chyluria is mainly lymphatic and urinary tract communication, so lymph into the urine, manifested as white urine, generally and lymphatic lesions or filariasis related, need to be confirmed by laboratory tests.