SUTENT® (sunitinib) will experience side effects during treatment. Like most cancer medications, the adverse reactions to this drug can be significant. Mouth and gum problems are some of the more common problems reported by people receiving chemotherapy. For example, up to 48 percent of people taking SUTENT in clinical trials developed mouth sores, inflammation, or pain.
(Click SUTENT Side Effects to learn more about how people responded to this drug in clinical trials. This article also explains what to do if side effects occur or if something "just doesn't seem right.")