
Is Fourth Generation Combo Test Conculsive?

Dear Sir,
Is the fourth generation combo test very conculsive around 3 - 4 weeka? My result is negative today. And i just have some symptoms these few daya like low fever, white to tongue, sorl thorat, ans swollen gland not feeling good.
Is the result reliable ?
Help. Very stressful.
Regards.
HIV 1&2 conclusively ruled out after 12 weeks
Detailed Answer:
Hi,
Welcome to HCM
Thanks for posting your query.
Fourth generation Combo test has two components
1. 1st part detects the P24 Antigen for HIV 1 which is the commonest organism that cause HIV throughout the world. This part can detect the presence of infection as early as 2 weeks on wards, but becomes more conclusive after 4 weeks.
2. 2nd part of this Combo test detects antibodies against both HIV 1&2 and this part more conclusive after 12 weeks (after window period).
So your test rules out the possibility of both HIV 1&2 beyond any doubt after 12 weeks. But very much reliable.
Regarding the symptoms, Earliest manifestations of HIV can occur only after 4-6 weeks, if there is infection. Anything earlier than that could not be due to HIV. Sore throat, fever swollen glands can occur to anybody with a throat infection.
Nothing to worry.
DR S.Murugan


Thanks for your reply.
As what i said i did the Elisa combo test after 23 days, and the result is negative.
The case is i had unprotected oral sex on 3rd of XXXXXXX And i took the combo test. Is the test reliable ?
And made me very stressful is there are some symptoms appear these few days like mild sore throat and swollen gland not feeling well, white tongue, and low fever appear for one night.
And painful feet.
It drive me crazy. Dr pls give me some advice!
Oral sex carries a low risk for HIV
Detailed Answer:
Hi,
Welcome back
Oral sex is having only a very low risk for HIV. Vaginal penetrative sex is supposed to be a high risk one. But the risk with vaginal penetrative sex is 5 per 10000 as per CDC, XXXXXXX The same organization is telling that with oral sex HIV risk is low. Then you can imagine. Just relax and nothing to worry much.
I am not able to say that your test is very much conclusive. Test will become conclusive for HIV 1 after 28 days, conclusive for both HIV 1&2 infection.
HIV mostly remains symptom free till 5-7 years even in presence of infection.
Dr S.Murugan

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