Design by Health Cloudy urine may be a symptom of infections like UTIs, STIs, and vaginitis. Underlying conditions like kidney stones and diabetes may lead to cloudy urine. Staying hydrated and eating a balanced diet may help prevent cloudy urine. Cloudy urine (pee) can be a sign of dehydration, infections, or dietary changes. Symptoms like pain or a bad odor require a visit to a doctor. How Can You Tell if You Have Cloudy Urine? Urine typically ranges in color from clear to straw-yellow.