My dad have CHF and stage 3 CKD. He's on hospice. He's been taking hydrocondone(lortab) for pain and relaxation. So far he's okay with the medication except being itchy. The hospice doctor plans on switching him to oxycodone and also giving him itch medicine. Should I do the switch or just stick with the lortab. Isn't the oxycodone too strong for my dad? Will it hurt him?