Embattled federal Labor MP Emma Husar has announced she will not recontest the western Sydney seat of Lindsay at the next election.

Key points: Emma Husar told Channel Nine she had made the "agonising decision" not to recontest her seat

Emma Husar told Channel Nine she had made the "agonising decision" not to recontest her seat Announcement comes amid an internal Labor Party investigation into allegations she bullied former staff

Announcement comes amid an internal Labor Party investigation into allegations she bullied former staff Senior Labor figures told the ABC last week it would be difficult for the first-term MP to survive whether the allegations were proven or not

It comes amid an internal investigation into allegations of bullying and misconduct levelled at her by former staff.

She has repeated her denials of the "malicious allegations" against her but said people were out to get her and that "enough is enough".

"It's a really sad day. It's a disappointing day for me. I've made the decision, the agonising decision, that I won't be recontesting Lindsay at the next election," she told Channel Nine.

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Labor leader Bill Shorten said he respected the decision Ms Husar had made and understood it had been "a very difficult period for Emma and her family".

She has weathered a series of damaging headlines since it was revealed there was an investigation underway.

Since that story broke, there has been a stream of negative stories, prompting colleagues to predict her exit from federal politics.

In a statement, Ms Husar described the stories as "vicious and baseless smears" with no basis in fact.

"I support the right of anyone to have their complaints heard, which is why I cooperated fully with NSW Labor's independent assessment and, to uphold the confidentiality of that process, maintained my silence while my reputation was completely trashed in the media," the statement said.

"This vendetta led to threats to my personal safety, the trolling of my children online and media parked outside my house around the clock.

"It has been terrifying for my kids and utterly traumatic for me."

Labor frontbencher Anthony Albanese said the investigation would be completed within the next two days.

"The party is going through its investigation process, it will be concluded in the following 48 hours," he told the ABC's 7.30 program.

"It will bring down any recommendations so it should be allowed to now go through its course.

"It's now time I think for the endless media speculation to be put to bed … and for people to move on from this issue."

Ms Husar holds her extremely marginal seat by just 1 per cent.

Senior Labor figures told the ABC last week that whether or not the allegations against her were proven, the perception and "pile-on" would make it very difficult for the first-term MP to survive.

"Given my reputation has been completely shredded by nameless, faceless people, I see no point in waiting for this report," Ms Husar said in her statement.

She thanked her community for their support during her time in Parliament and in particular "these last few difficult weeks" and said she was proud to have used her platform to draw attention to issues including domestic violence and the NDIS.

Ms Husar has previously spoken in the House of Representatives about her own experience with family violence and pledged to be an advocate for change in that space.