Bright red blood usually means bleeding from low in the colon or rectum. Dark red blood usually means bleeding higher up in the colon or small bowel and black tarry stools (melena) is seen with bleeding from the stomach (ulcers, for example).
Bell's Palsy does make you feel fatigued and your strength should be back soon. You've had it for a month and a half now so give it some time. There isn't a cure for this so we sometimes try anything to help alleviate the pain or symptoms. Sometimes, it works.
A specific cause of Bell's palsy is unknown, however, it has been suggested that the disorder is due to inflammation that is directed by the body's immune system against the nerve controlling movement of the face. The weakness or symptoms seen in Bell's palsy is sometimes associated with the following: Diabetes.