Stools lighter than normal with bright blood, low grade fever at times, nausea, gagging, jittery, irritable, discomfort between shoulder blades, scare?

Dueodenal ulcer: The dueodenal ulcers or prepyloric ulcers can cause in between shoulder pains. However they are unlikely to cause bright red blood unless you bleed briskly. So contact your physician you need hemogram iron studies and titre for infection in the stomach called H. Pylori. But with bright rd blood rectal exam may be nedded with sigmoidoscope. Further work up depending on above studies and physical ex

Get checked: Bright red blood is usually from a hemorrohoid or a anal fissure. The nausea & discomfort between the shoulder blades could be a gall bladder issues. I would recommend you sit down with your doctor and discuss these to see if it warrants further diagnostic studies such as an ultrasound or lab work.