Dispensary quick to bandage injury (8)
I believe the answer is:
pharmacy
'dispensary' is the definition.
(synonyms)
'quick to bandage injury' is the wordplay.
'quick' becomes 'pacy'.
'to bandage' means one lot of letters goes inside another (some letters wrap others up).
'injury' becomes 'harm' (synonyms).
'pacy' going around 'harm' is 'PHARMACY'.
(Other definitions for pharmacy that I've seen before include "Science of dispensing drugs" , "A chemist's shop where prescriptions are dispensed" , "Where chemist works" , "get medicine here?" , "where a remedy is sought" .)