You may also up your fluid intake, but not with coffee, soda or alcohol; water and Gatorade is what I use. In a couple of days, you'll probably see everything clearing up. I don't know if you're feeling fatigued, but it will help that also.
Good luck.
Millard
Probably forming stones. Go see a urologist, who can analyze your urine and sand and see what medication might set you straight.