Proctitis
Rectal bleeding and pain, urgent feeling to use bathroom, inability to move bowels
Proctosigmoiditis
Bloody diarrhea, cramping, tenesmus (feeling of wanting to pass stools)
Left-side colitis
Diarrhea with blood, cramping, weight loss, pain
Pancolitis
Bouts of diarrhea differing in severity, fatigue, weight loss, night sweats, cramping
Fulminant colitis (acute severe ulcerative colitis)
Severe pain and diarrhea, even life-threatening levels of dehydration and shock