Chlamydia Singapore | Shim Clinic

Help me about Chlamydia !

A chlamydia infection is caused by a bacteria chlamydia trachomatis, which is transmitted during unprotected sex, like condom break, slip, or no condom. It causes minimal symptoms, but chronic infection may lead to infertility, and pain.



Chlamydia trachomatis is a bacteria which can cause a variety of genito-urinary infections, depending on the serotypes. Chlamydial genital infections occur frequently among sexually active adolescents and young adults.



  1. BASHH (2006). National Guideline for the Management of Genital Tract Infection with Chlamydia Trachomatis. Retrieved from
  2. Johnson, R.E., Newhall, W.J., Papp, J.R., Knapp, J.S., Black, C.M., Gift, T.L., et al. (2002). Screening tests to detect Chlamydia trachomatis and Neisseria gonorrhoeae infections. (Vol 51, RR-15: 1 – 38). Retrieved from
  3. Lau, C.Y., & Qureshi, A.K. (2002). Azithromycin versus Doxycycline for Genital Chlamydial Iinfections: A Meta-Analysis of Randomized Clinical Trials. PubMed, 29(9):497 – 502.
  4. McMillan, I.R., Young, H., Ogilvie, M.M., & Scott. R.G. (2002). Clinical Practice in Sexually Transmissible Infections. London: Saunders Ltd.
  5. MOH (2009). Management of Genital Ulcers and Discharges: Clinical Practice Guidelines. (Vol. 1). Singapore: Ministry of Health.
  6. Workowski, K.A. & Berman, S. (2010). Sexually Transmitted Diseases Treatment Guidelines.(Vol. 59). Retrieved from


Chlamydia treatment is available!

Sexual risk (of HIV/STD/pregnancy), and what you can do before and after exposure.

Timeline HIV STD Pregnancy
Before exposure
Abstain from sex, Be faithful, or Condom use
Circumcision (males only)
(females only)
HIV PrEP (pre-exposure prophylaxis)
– Stop HIV infection before exposure
STD vaccine:
Hepatitis vaccine
HPV vaccine
STD / HIV exposure
Unsafe sex / unprotected sex:
No condom / Condom broke / Condom slip
0-72 hours HIV PEP (post-exposure prophylaxis)
– Stop HIV infection after exposure
STD testing *
Screening test
– to look for asymptomatic infections
– from previous exposures
Emergency contraception
with the
morning-after pill
(females only)
2 weeks HIV DNA Test
1 month HIV 4th Generation Test
SD Bioline HIV Ag/Ab Combo
– Fingerprick blood sampling.
20 minutes to results
3 months HIV 3rd Generation Test
OraQuick® HIV-1/2 Antibody
– Oral fluid or
– Fingerprick blood sampling.
20 minutes to results
STD testing *
– Full & comprehensive
diagnostic test
– to look for current infections
Watch for HIV Symptoms STD Symptoms
If infected HIV Treatment STD Treatment Abortion

* Males: Do not urinate for at least 4 hours before arriving.
* Females: testing is more accurate when you are not menstruating.


Copyrighted Material: Not for Reproduction or Distribution - Shim Clinic - Chlamydia Singapore
Help me!