My Husband 75 Year Had A Cirugy Of Lang Cancer

my husband 75 year had a cirugy of lang cancer afortunatly all is ok. but one year later he was play 3 or 4 times Ping-Pong , and naw he has a pain in tne mascle of scare and don't go the doctor say every thing is ok
do you think the Dolo neuro bion can help....he take so much Tylenol and don t help
he is a proffessor yoga, and he stop all activites