I have diarrhea, cramping and mucus every time i go to the bathroom. multiple times a day. no solid stool in about 8months. what could this be?

Spastic colitis: This is probably a condition called spastic colitis, otherwise known as irritable bowel syndrome. This is very common. Typical symptoms are loose stools with cramping; often, persons with this have periods of constipation alternating with the loose stools. In spastic colitis, the cramps always stop when you sleep. There are treatments for this; just search online. See a doctor for severe symptoms.