what to do after chemotherapy for colorectal cancer
Chemotherapy drugs. The most common chemotherapy drugs used to treat colorectal cancer are: 1  5-fluorouracil (5-FU, Adrucil). 2  given by intravenous intravenousWithin or into a vein (a blood vessel that carries blood from tissues and organs in the body to the heart). 3  injection, either intermittently or as a continuous infusion.