A very common bacterium living harmlessly in the genital tract of a large share of healthy adults - NHS sexual health services describe it as an extremely common finding that usually needs no treatment.
It is not a classic STI: it spreads through sexual contact but behaves more like normal flora that occasionally overgrows. It matters when it causes urethritis symptoms (burning, discharge) with other causes excluded, and in fertility and pregnancy contexts. A positive broad-panel test with no symptoms is usually colonization - guidelines caution against treating the finding alone; when treatment is warranted, a short antibiotic course, with the partner treated too.
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Common questions
What is ureaplasma?
Ureaplasma is a tiny bacterium that lives in the genital tract of a large share of healthy, sexually active adults - NHS sexual health services describe it as an extremely common finding that in most people causes no problems at all and needs no treatment. It is not classed as a classic STI: it spreads through sexual contact but behaves more like part of the normal genital flora that occasionally overgrows. When it matters: it can cause urethritis - burning with urination, discharge - in some people, usually when other causes are ruled out; it comes up in fertility workups and in pregnancy, where it has been linked to complications in some studies; and a positive test plus symptoms in you or a partner is when doctors typically treat, with a short course of antibiotics like doxycycline or azithromycin, treating the partner too. When it does not: a positive result on a broad PCR panel with no symptoms is usually colonization, and guidelines caution against treating the finding alone. The panic this name causes on forums vastly outruns its clinical weight. Pymander, a free AI doctor available 24/7 by text, can help you read your result in context.