How to deal with a coworker who won't work?

Anonymous
She started complaining because she was bored and didn't think she had enough work to do, now that wasn't exactly the case. But when given a task she'd say ''oh I don't know how to do this'' or ''this is too hard'' or even ''why don't you just do it?'' as she slammed the papers or whatever it was down in front of me. I continued to bite my tongue and either try and show her or do it myself because it needed to be done. Just last week she was given a list of things to do but sat down twiddling her thumbs and then when it was time for her to leave she put it on my desk and said ''oh, I never got a chance to do this, do you want to do them?'' I said no I don't but it looks like I'll have to do them anyway.

Then she started slamming the phone down whenever she got into an argument due to her distasteful personality and then swearing in front of other patients who were checking out.
Then she began coming to work early, clocking in and then sitting down to eat breakfast all while ignoring the phone, she even had the nerve to complain about the patients calling. I thought ''aren't we open? Then she started complaining about the way the doctor runs the practice because he likes being busy. She started taking control of everything and telling me not to book patients or to leave gaps open because the doctor doesn't want it booked.
When I ask if something had been done I'm usually met with ''oh I was busy helping out back'' as she scrolls through Facebook, twirling her hair and sipping coffee.
She is super nasty to me and even lies about me. I can't take it.
Updates
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Guys just as I was leaving she told everyone “ oh she’s probably telling her friend I’m a dumb ***** she sits with every morning” why? 😫 I can’t handle this anymore.
Updates
+1 y
So the manager had us talk and apparently she talk to her about her cattiness last week.
Of course she started crying and saying ''oh I meant it as joke.''
But the manager told her if she does it again our office is not the place for her.
How to deal with a coworker who won't work?
12 Opinion