Hives or Nettle Rash
This page is the CodyCross answer for the clue below from Making a Documentary, Group 1520, Puzzle 5 (Behind the Scenes).
Question is: Hives or Nettle Rash
and the answer is: URTICARIA
Word Meaning:
URTICARIA — (pathology) Itchy, swollen, red areas of the skin which can appear quickly in response to an allergen or other conditions.
Definitions from Wiktionary.