HIV Antibody Test Singapore | Shim Clinic

Help me about HIV Antibody Test !

The human immunodeficiency virus (HIV) antibody test detects the presence of antibodies which are produced by the human body, in response to a HIV infection.

After a person is infected with HIV, over a period of time, the immune system responds by producing antibodies. These antibodies are present in the blood, saliva, and urine. The antibodies are detected by the HIV antibody test.

Initially, IgM antibodies are produced, then they start to decline. The decline in IgM antibody production overlaps with the onset of IgG antibody production. The IgG antibodies persists for great lengths of time.

HIV positive individuals on HIV treatment for great lengths of time, may find their IgG antibodies declining to low or undetectable levels. This is due to the absence of HIV in the blood resulting from the HIV treatment.

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)
Contraception (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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