Sometimes pain becomes worse a day or two after leaving the hospital. It could be because a nerve block is subsiding, medications given in the hospital are no longer in effect, or because your body is healing, and you are instructed to do physical therapy or resume daily activities. Be sure to have pain medicines ready for if or when this occurs. Ask your medical care team when to expect the pain relief given in the hospital to wear off and start giving your child pain-relief medicine around that time.