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.
Because the facial nerve has so many functions and is so complex, damage to the nerve or a disruption in its function can lead to many problems. Symptoms of Bell's palsy can vary from person to person and range in severity from mild weakness to total paralysis. These symptoms may include twitching, weakness, or paralysis on one or rarely both sides of the face.