In the three aforementioned studies of epidural delivery of naloxone in combination with an opioid (fentanyl or morphine), the frequency of pruritus was decreased, with no reversal of analgesia noted.

Published reports on placebo-controlled clinical trials and other studies investigating the use of pure opioid antagonists for the prevention and treatment of opioid-induced pruritus (OIP ...

Like urticaria, angioedema has both allergic and non-allergic triggers. What causes hives to get itchier at night? Hives often seem worse at night because of a condition called nocturnal pruritus, ...