Embattled celebrity Charlotte Dawson has been hospitalised after Twitter trolls unleashed a torrent of abuse, media reports say.
Women's online magazine Mamamia says the TV host was admitted to hospital on Thursday morning after "eight hours of unrelenting abuse on Twitter" on Wednesday night, the latest chapter in days of cyber-bullying.
Melbourne's Monash University suspended a staff member on Wednesday who tweeted Dawson, saying "on behalf of NZ we would like you to please go hang yourself".
A spokesman for St Vincent's Hospital said the 46-year-old star was in the hospital in Sydney's Darlinghurst and was expected to make a "full recovery", News Ltd reports.
Emergency services were called to her home at about 3am on Thursday.
Sydney-based Dawson, who recently described her native New Zealand as "small, nasty and vindictive", traced the original abusive tweet to Tanya Heti who manages a student mentoring programme at the university.
Monash issued a statement saying it "does not condone or endorse" Ms Heti's comments in a Twitter exchange with Dawson.
Dawson had confronted Ms Heti about abusive posts directed at her and a Melbourne follower who had lost her partner to suicide.
That follower admonished Ms Heti for her tweet directed at Dawson.
Ms Heti replied to the Melbourne woman: "if I was your fiance I'd hang myself too #gohangyourself".
When Dawson phoned Ms Heti to challenge the comments, she said she was told she was a "well-to-do white girl" who should be able to cope.
Dawson, who is an ambassador for the Australian anti-bullying programme Community Brave and judge on Australia's Next Top Model show, appeared on Network Nine's A Current Affair on Wednesday night.
The forthright TV star says she cops abuse because she's single, over 40, childless and does Botox.
"I retweet some of the negative stuff because I want my followers to know what's out there and there is a lot of vitriol out there," she told the programme.
"If you're willing to dish it out, then you've got to grow up and take it back."
After the segment, Twitter trolls unleashed more than 100 messages of abuse.
Followers told the celebrity to "neck yourself you filthy s***" and "please put your face in a toaster".
NZN