What are the effects of multiple small crystals in both kidneys?

Multiple small crystals in both kidneys usually do not cause significant harm to the human body; however, if left untreated, the crystals gradually increase in size may form stones, and hydronephrosis may occur.
Kidney crystals are mainly formed after the crystallization of calcium in urine, the crystals are relatively small, most patients do not have uncomfortable symptoms, usually drink more water, diligent urination may improve.
However, if not handled in time, the crystals will gradually increase in size and number to form kidney stones. And kidney stones may cause hydronephrosis, affecting kidney function and so on.
Overall, if you find multiple small crystals in the kidney, you need to pay attention to it and go to the hospital in time for targeted treatment, so as to avoid the crystals from gradually increasing and affecting the human body.