Has he been taking pain meds? Sometimes people don't because they "don't need them". Typically, the pain is from increasing activity. I would encourage him to rest and take it easy. People tend to want to get back to "normal" and over do it.
Dad Treated for T2N1M0 Tonsil Cancer August 2005. 35 IMRT radiation, 3 doses Cisplatin. Selective Modified Neck Dissection November.
