It's painful, irritating and spreading among Queenslanders.
A spike in the number of patients presenting to health and medical facilities with gonorrhoea has sparked a call from health officials for people to use more condoms.
The number of cases of the sexually transmitted infection this year shows a 20 per cent increase on last year, with annual figures almost doubling since 2014.
It infects the reproductive passages in men and women, the anus and rectum, the mouth and throat, and the eyes, and is becoming more prevalent among older people.
"Ages are increasing and we're seeing it in our heterosexual population including older women," Dr Amy Jennison, Acting Chief Scientist of Public Health Microbiology at Queensland Health's Forensic and Scientific Services said.
"Previously, we rarely saw cases in older women, but we are now seeing older Queenslanders presenting with gonorrhoea."
It can lead to fertility issues in men and women if left untreated.
Two cases in Australia have been labelled extensively drug resistant gonorrhoea.