How Can Feet Pain Causing Fever Be Treated?

I am 57 year old male. I have severe pain in my feet. I will have pain always except while in sleep. At times, I get fever due to pain. I have this problem for many years. I have undergone CABG in 2003. I am on Cardace 5 mg, Atorva 10 mg, Amblagard 5 mg, Revelol H 50 and ecosprin 150. Kindly advice me - Chandrashekaraiah Hallimysore