Quack remedy (7)
I believe the answer is:
nostrum
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">quack remedy</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for nostrum that I've seen before include "our Latin" , "Favourite remedy or scheme" , "Phoney panacea" , "Must Ron take a quack remedy?" , "Quack remedy or pet scheme" .)