In Canada, every material that is controlled by WHMIS (Workplace Hazardous Materials Information System) must have an accompanying MSDS that is specific to each individual product or material (both the product name and supplier on the MSDS must match the material in use).
When people have struvite stones, they. may also have signs of nephrolithiasis with fever and flulike symptoms. Though many people are able to pass a kidney stone without additional help, the. discomfort can increase and complications may sometimes result. Pain can.
Signs & Symptoms. Usually, kids with kidney stones won't have any symptoms until the stones move around in the kidney or pass into the ureter. Small stones might pass through the urinary tract and out of the body with no pain or complications. Larger stones, however, may block the urinary tract and can cause symptoms like: 1  sharp pain that starts in the side or back. 2  pain that spreads to the lower abdomen and groin as stones move through the urinary tract. 3  pain that comes and goes in waves. 4  blood in the urine (red or brown urine), called hematuria. 5  nausea and vomiting.