You have a hard time bowel movement - 2 wks duration. You noticed red blood followed by red streaks in the motion. You are taking fibers rich diet along with metamucil
which is dietary supplement of fiber and mild laxative. After taking fiber rich diet and metamucil your symptoms are almost relived, except burning sensation after bowel movement. All your complaints indicates some pathology in the anus or rectum
. which may be early piles or fissure in ano
. Consult a surgeon, have your rectum and anus examined, arrive at a diagnosis and get treatment accordingly and follow their advise.