In the last decade, huge efforts have been made to optimize and personalize oncological treatment. Many novel therapies and better combinations of older ones have been implemented. Even if novelty is always exciting, one has take into consideration that the way a drug is administered is as important as the drug itself. The present review focuses on how the administration of several cancer drugs can minimize the toxicity they induce. It stresses that if enough importance is given to this aspect, patients can tolerate effective doses of treatment with better outcomes and have better quality of life. [...]