Some possible cloudy urine causes are: Food can cause a change in the consistency and color of your urine, although they are not the usual cause of cloudy urine. Blood in urine-When the blood is microscopic, it may not show bright red or dark red but rather it may appear as cloudy urine.ood can cause a change in the consistency and color of your urine, although they are not the usual cause of cloudy urine. Blood in urine-When the blood is microscopic, it may not show bright red or dark red but rather it may appear as cloudy urine.