The blisters may be mucositis, but the end of the first week of rad might be too early for that. Did your doc say the 'blisters' were from the thrush? I used lidocaine, liquid vicodin and the duragesic patch to get through the worst of the mouth sores. Fortunately, they're short lived.

dx 2/13/06. modified radical neck dissection 3/9/06 multiple biopsies of upper airway and direct laryngoscopy. 1 of 47 lymph nodes positive for metastatic undifferentiated carcinoma (lymphoepithelioma). Unknown primary. Finished radiation 5/24/06.