This article is for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
If you've seen both "STI test" and "STD test" used online and wondered whether they're different things, the short answer is no. They refer to the same thing.
Why Are There Two Names?
STI stands for sexually transmissible (or transmitted) infection. STD stands for sexually transmitted disease.
According to NSW Health's Play Safe, the term STD was replaced in Australia with STI, because STIs can have no symptoms and can be cured, which the term STD didn't really cover. The term STD was used the way STI is used today, which is why you'll still see it online.
For example, the Australian STI Management Guidelines state that 85–90% of people with chlamydia have no symptoms.
Does It Matter Which Term a Provider Uses?
No. An "at-home STD test" and an "at-home STI test" describe the same type of test. When comparing testing options, check:
- Which infections the kit tests for
- How the sample is collected (urine, swab or blood)
- How long results take
- Whether a doctor reviews your results and can prescribe treatment if needed
Ready to test? Our at-home STI (STD) kit tests for chlamydia and gonorrhoea with a simple urine sample. No clinic, no collection centre, discreet delivery.
Need throat and rectal testing too? See the Comprehensive Kit
What TestSmart Tests For
TestSmart's at-home kits test for chlamydia and gonorrhoea using a urine sample, with throat and rectal swabs in the Comprehensive Kit. Samples are processed by a NATA-accredited laboratory, results are reviewed by an Australian-registered GP, and results are typically available within 3–4 business days of the lab receiving your sample. TestSmart also offers at-home HPV self-collection for cervical screening.
Summary
"STI" and "STD" mean the same thing. Australia now uses the term STI, but STD is still widely used online. You can order an at-home STI (STD) test kit, or read about how often to get tested.
TestSmart's testing and treatment pathways are reviewed by Australian-registered GPs and follow current Australian clinical guidelines. This article is general information only and does not replace individual medical advice — your circumstances, symptoms, and test results should always be discussed with your reviewing doctor.