Language: Idioms with the word "pill"

a bitter pill to swallow (also bitter medicine)
Fig. an unpleasant fact that has to be accepted. (Does not involve pills or swallowing.)
It was a bitter pill for her brother to swallow when she married his enemy.
We found his deception a bitter pill to swallow.

more (something) than Carter has (liver) pills
Fig. a great deal of something. (Older; refers to a product called Carter's Little Liver Pills.)
Why he's got more problems than Carter has pills!
Bobby has more marbles than Carter has liver pills!

on the pill
taking birth control pills.
Is it true that Mary is on the pill?
She was on the pill, but she isn't now.

pop pills
to take too many pills (usually in continuous tenses)
Soon she was popping pills again in an effort to cope with the increasing pressure of her job.

sugar/sweeten the pill
(British, American & Australian) also sugar-coat the pill (American) to make something bad seem less unpleasant
The government have cut income tax to sweeten the pill of a tough budget.