References UK clinical guidance from the NHS, the British HIV Association (BHIVA), and the British Association for Sexual Health and HIV (BASHH). Last updated: April 2026.
No, you cannot get chlamydia from kissing. Chlamydia trachomatis infects the genitals, throat and rectum — not the mouth in a way that makes kissing a transmission route. It spreads through unprotected vaginal, anal or oral sex, not through saliva or casual contact.
Order a discreet home STI test
How Chlamydia Actually Spreads
| Route | Risk |
|---|---|
| Vaginal sex | Main route |
| Anal sex | Common |
| Oral sex | Can cause throat chlamydia |
| Kissing | No — not transmitted this way |
| Sharing drinks | No |
| Toilet seats | No |
What About Throat Chlamydia?
Oral sex can transmit chlamydia to the throat, but this happens through genital-to-mouth contact, not mouth-to-mouth kissing.
Read more: What is chlamydia? | Chlamydia from oral sex | Ways you can’t catch STIs
Frequently Asked Questions
Can any STI spread through kissing?
Oral herpes (HSV-1) can. Chlamydia, gonorrhoea and HIV cannot.
Can I get throat chlamydia from kissing someone who has it?
No — it needs genital-to-throat contact.
What if my partner has oral chlamydia?
Kissing won’t transmit it, but oral sex could.
Related reading
- Can You Get Herpes From Kissing?
- Can You Catch an STI From a Toilet Seat?
- Can You Get Herpes From a Toilet Seat?
- Can You Have Chlamydia and Test Negative?
- Can You Catch Syphilis Without Having Sex?
Sources
- NHS — Sexual health conditions
- BASHH — UK clinical guidelines for STI management
- British HIV Association (BHIVA) — HIV treatment guidelines
- Terrence Higgins Trust — sexual health information
- UK Health Security Agency — STI surveillance data

Steve Page is a recognised expert on Sexually Transmitted Diseases (STDs) and STD treatments, having published numerous articles in peer-reviewed journals and presented his research at conferences around the world. He has an in-depth understanding of the latest medical research on STDs, and is an advocate for the development of new treatments and protocols to improve the health of those affected. In addition to his research, he has dedicated his career to understanding the causes and symptoms of STDs, as well as how to best treat those impacted.



