Dilaudid) is also an extremely difficult medication to taper down - even after short-term, daily use -in terms of the prolonged (weeks to months) and often times - unbearable withdrawal symptoms! If anyone has been on hyromorphone or Fentanyl & is considering discontinuing the meds, please do it under medical supervision! There are great mental & physical risks involved & if done incorrectly or too quickly, these drugs may cause organ damage e.g., heart, liver, kidneys, etc.