The most common and most likely answer to this crossword clue is the 8 plus 7 letter word STICKING PLASTER
I've seen this crossword clue in The Daily Telegraph
S
T
I
C
K
I
N
G
P
L
A
S
T
E
R
More clues leading to the result STICKING PLASTER
- Criticism popular doctor alters, changing dressing
- Fancy scarlet? It’s donned by leader power dressing
- Dressing remaining on plate’s sloppy and runs
- Irritating thing in splinter treated with gas — that’s for a minor injury
- Dressing, holding coat
- Stay in doctor’s only remaining emergency room for treatment for minor wound
Buddy explains!
The straight part
We know that "Dressing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dressing = sticking plaster.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.