Hi My Dad was diagnosed with Prostate Cancer 6 months ago his PSA was 315 and has come down to 32 he has had a bone scan and it's not in his bones nor his, lymph nodes , he is on HT and that's all , but recently he has been suffering chronic pain in his legs and arms. The doctors have given him an ibuprofen rub to administer 3 times a day but it's not working. He was in severe pain today , he's going to the doctors again tomorrow, but, is this normal side effects of HT .....I'm so worried about him and he looks in pain , please help