Symptoms Since October Of 2020...headaches When Eating, Ice Pic Piercing

Symptoms since October of 2020...headaches when eating, ice pic piercing ear pain, no sleep position alleviates pain..no sleep...voice changed nasely difficult to understand.... weight loss...no apatite soft foods only..aspirin works for an hour tops...while drinking water unless he tips his head back while drinking water it will come out of his nose. Throat seems to be constricting...swallowing is difficult TMJ was one diagnosis, but opening and closing mouth with ease. getting worse...Dr recommended mouth guard. He does grind his teeth at night. (my brother) getting desperate...looks so fragile.