my brother has had cancer 2 times resulting in him having part of his spine and a kidney removed. he is now 49 and has been using heroin for almost 3 years, he has had 2 episodes in the last 6 months that consist of him not being able to walk and move his legs and the pain is unbearable. the first time he went into the hospital and they said he had MRSA, this time they said they found nothing. Any idea what this could be?
Hello, The causes for leg pain and inability to walk are