Coconut Oil to Prevent Mouth Sores in Pediatric Patients Receiving High Dose Chemotherapy

The purpose of this study is to learn if virgin coconut oil (VCO) mouth rinse can help prevent oral mucositis. The Study Investigator will compare standard of care mucositis prevention rinses with the VCO mouth rinse added to the standard of care mucositis prevention rinses. The severity of oral mucositis between the 2 groups will be evaluated. Some of the standard of care rinses that can be used to prevent mucositis are normal saline, Benadryl (diphenhydramine), Mylanta, lidocaine, or other combinations.