take one's medicine

take (one's) medicine

To accept and do what has to without complaint or protest, especially when it is unpleasant or difficult. Though he didn't agree with the two-game suspension, he took his medicine and didn't gripe about it to the media. Hopefully the election result will send a clear message to the losing party, and they'll finally take their medicine and do what's right for the country.
See also: medicine, take

take one's medicine

Put up with unpleasantness, learn one's lesson. For example, After failing math, he had to take his medicine and go to summer school. This idiom uses medicine in the sense of "a bitter-tasting remedy." [Mid-1800s]
See also: medicine, take