n. phr. Being treated in the same way you treat others; something bad done to you as you have done bad to other people. Jim was always playing tricks on other boys. Finally they decided to give him a dose of his own medicine.
DOSE OF ONE'S OWN MEDICINE
Meaning of DOSE OF ONE'S OWN MEDICINE in English
American idioms English vocabulary. Английский словарь американских идиом. 2012