She later challenged the guidance of director-general of health Dr Ashley Bloomfield during questions from members.
"Are these measures and the segregation of society justified," she said during her submission.
Ivermectin is not approved for use in New Zealand to treat Covid-19 with Medsafe confirming "no clear evidence that it is effective in treating the virus, and it may cause serious harm in some people".
An Invercargill City Council spokeswoman confirmed that they did not do a background check on the GP who requested to speak on the matter.
"We do request that submitters apply to speak specifically on something related to an agenda item included for debate."
Dr Febery, a GP of 16 years, said she was suspended from seeing patients face to face in a social media post on a Methven community page in October.
She later spoke at an anti-lockdown rally in Christchurch where she told patrons that she was being investigated by the Medical Council of New Zealand who allegedly told her not to spread "an anti-vax message".
The Medical Council would not confirm whether Dr Febery was still under investigation but said it was taking the matter very seriously.
"Council has received a number of notifications that relate to matters about the Covid-19 vaccination and spreading of misinformation," council chairman Dr Curtis Walker said.
"Council's view that there is no place for anti-vaccination messages in professional practice, nor any promotion of anti-vaccination claims including on social media and advertising by health practitioners.
"Council expects doctors to be aware of, and comply with, its published standards of clinical and ethical practice."