hi,i have been in pain in my thigh after having a knee replacement done which used to come and go but now its been constant for months now with agonizing pain that won't go away.my doctor thinks I have meralgia paresthetica but I.don't wear tight clothes.i have tried hot packs,TENS etc, but nothing is helping I cannot even lay on my left side or touch that thigh, it hurts and Burns to the point that I want to cut my thigh open to stop the pain because I don't know what to do.it continues to get worse and I don't know if I have nerve damage our worser because I am constantly losing my balance when walking and standing got only for a few minutes,i am scared too go to the er because of the fact that nothing works and I might need surgery am I putting myself in danger of not going t to the er asap and will surgery be Betty painful if I need