Head and Neck Cancer Patients With Oral Mucositis Treated With Ketamine Oral Rinse

Patients in this arm will receive unmedicated syrup solution dispensed as 20mg/5ml 4 times a day in addition to receiving one of the following standard treatments; Magic Mouthwash, saliva substitute rinses, over-the-counter remedies including honey or salt and soda rinses, non-steroidal anti-inflammatory drugs (NSAIDS), or opioid medications.

Patients in this arm will receive ketamine oral rinse dispensed as 20mg/5ml 4 times a day in addition to receiving one of the following standard treatments; Magic Mouthwash, saliva substitute rinses, over-the-counter remedies including honey or salt and soda rinses, non-steroidal anti-inflammatory drugs (NSAIDS), or opioid medications.