Teniposide (Vumon, VM-26) is a chemotherapeutic medication mainly used in the treatment of childhood acute lymphocytic leukemia. It is in a class of drugs known as podophyllotoxin derivatives and slows the growth of cancer cells in the body. Common side effects include nausea, vomiting, diarrhea, and thinned or brittle hair. The medication is injected though a vein and burns if it leaks under the skin. It is sometimes used in combination with other anticancer drugs. A major problem with tenipos… (More on Teniposide)