Ordered ales again for pain relief (9)
I believe the answer is:
analgesia
'pain relief' is the definition.
(I've seen this before)
'ordered ales again' is the wordplay.
'ordered' is an anagram indicator.
'ales'+'again'='alesagain'
'alesagain' anagrammed gives 'ANALGESIA'.
'for' acts as a link.
(Other definitions for analgesia that I've seen before include "painless" , "Absence of pain" , "No hard feelings" , "Painlessness" , "result of medication?" .)