(Photo: Reuters). A new report is claiming that Princess Kate Middleton is pregnant once again. According to the tabloid, she and Prince William are expecting twins, following rumors that the couple is going broke. Like Us on Facebook.
1 The medical term for itching is pruritus.  Infections, bites and stings, infestations, chronic diseases, allergic reactions, sun exposure, and dry skin are among the numerous causes of itching.
Causes. Dry skin is one of the most common causes of itchy back skin, states MayoClinic.com. Itchiness may get worse during seasonal changes, when humidity levels fluctuate. Other causes of itchy skin that are less common include disease and allergic reactions.