Infections of the peri-anal skin may also cause pruritus ani. These include pinworms (Enterobius vermicularis), fungal and yeast infections (such as with Candida albicans), and bacterial ...

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.

Related: Causes and Treatments for Itchy Skin (Pruritus) Body lice are the size ... Since body lice carry bacteria, bites and ...