I just had radiation and had no nausea from that. I did have nausea from the smells of cooking though depending on the type of food. So find the type that maynot effect him and see his doctor for some medication for if this effects him this way.
SCC R-Tonsil T2 NO MO Dec 2003. Completed IMRT Radiation only to tonsils(72Gy) and neck(55Gy)March 04. Detected at age 50.