Most head and. Neck radiotherapy is done with chemo. There is mucositis during therapy, we give topical xylocaine, benadryl, (diphenhydramine) combination that work in some. Some use the expensive Ethyol which has a bucket of other adverse effects. Pain meds by mouth can help. There are long term trouble swallowing as well. We use a peg tube to reduce weight loss and treatment interruption that leads to poor outcome.
One option. Talk with your treating physician about this home remedy - gargle with aloe vera juice twice a day.