HIV Prevention Singapore | Shim Clinic

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HIV prevention Singapore: HIV prevention may be done before exposure with HIV PrEP, during sex with condoms, and after exposure with HIV PEP.

  • Before exposure – HIV PrEP (pre-exposure prophylaxis)
  • During sex – Safe sex with condoms
  • After exposure – HIV PEP (post-exposure prophylaxis)




Safe sex activities:

There are activities that avoid contact and exchange of body fluids and include hugging, stroking, mutual masturbation and kissing.

Low risk activities:

Vaginal and anal intercourse with condoms, oral sex with a condom.

High risk activities:

Vaginal and anal intercourse without a condom, oral sex without a condom.


HIV-infected patients should be encouraged to notify their partners and to refer them for counselling and testing. If the patient is unwilling to notify his/her partner, the first step should be for the doctor to make the notification. The doctor is empowered to do so under the Infectious Diseases Act (see section 25a). If the doctor is unable or unwilling to make the notification, then the case can be referred to the Ministry of Health.


There is no firm evidence to recommend for or against prophylaxis post-sexual or i/v exposure.

Please refer to chapter on HIV Post-Exposure Prophylaxis (PEP) for sexual contact.

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.


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