constipation can cause this. White mucus is okay as long as there isn't excessive amounts.It's also your body's way of lubricating your intestines , so if you notice what looks like pieces of toilet...
Mucus may lighten the color of stool, but it will never turn it white.
You very likely have a liver blockage. A substance called urobilinogen gives stool its dark color. Urobilinogen is a product of...