HIV :: How Reliable Is The P24 Antigen Test?
Nov 7, 2013
I have read that the p24 antigen test can detect HIV in its early stages, prior to an assay test. Approximately from about 10 days to 4 weeks after exposure.
However, I have read on countless occasions people saying that it is not to be considered when diagnosing or detecting HIV. I just find it a little confusing. If there's no point relying on it, then why use it?
I recently had one day combined with an assay at 9 days post exposure. I know this is too soon for results however, I guess it will be good for a baseline. I will be retesting at 3 months.
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I want to get tested for HIV. I had my last intercourse 3 months back. I want to go for HIV 1&2 P24 antigen screening test. Is that test accurate? What if the test comes negative? Don't I have to take any further tests?
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I get positive result in Tri dot test ..what should i do? and that HIv report says that HIV 1 is reactive .and HIV (**II) Negative . REACTION in tri dot method only.. And to be confirmed by Western Blot OR ELISA method only..
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I am struggling with a concern I have been having for about two weeks. I have taken the oraquick at home oral swab 4 times And tested negative 4 times.. I feel as though my first result wasn't completely followed as directed so really only 3 negative results.. It has been 3 years since I would have came in contact with HIV.. So I guess my question is..Can I trust these results?
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Finally got on hand a home test kit, specifically, Core HIV 1/2 Home Test Kit. A friend sneaked on for me since it is forbidden to test anonymously in the country where I am now. My last risky exposure was 7 months ago.. After hours of prayers and hesitation, I finally tested myself. I am NEGATIVE! Now my questions are:
1. Is this result reliable? I mean talking about the reliability of home test kits
2. 7 months ago was my risky exposure, have I chosen the correct way to test myself? Was it okay to use a home test kit in this period?
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I recently conducted Accuracy for HIV 1 p24 antigen /HIV -1/2 Antibody Screening post 18th day after the exposure. My exposure was french kissing and handjob. Can you tell me the conclusiveness of the test? Post 24 day after exposure I requested HIV RNA quantitative test which is today. What is the possibility of RNA to predict positive results? RNA testing has high chances of false positive why is that?
My symptoms:
Sore throat after 2 days after exposure which was up and down and now almost gone so far.
Headache and fatigued sometime. Earache, neck pain and lower abdomen pain. Took some antibiotics in between.
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I had unprotected vaginal sex with a CSW almost 5 years ago. I tested for hepatitis B yesterday.
The test was
Australia antigen (HBsAg) Negative.
1)Am I safe from hepatitis B?
2)Do I need further testing??
3)If yes what test should I take? ?
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Two weeks ago i have sex with a crossdresser and after that i am scared about HIV infection. After 15 days of that exposure i opted for HIV Duo ultra test and test report showed this result- P24 Antigen:0.01; Antibody:0.03; i less than 0.25: non reactive for P24 antigen and antibody; i more than or equal to 0.25: reactive for P24 antigen and antibody.
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the serum level of hiv p24 antigen 202 pg/ml is negative or positive ?
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I just noticed my exgirl have hepatitis B before I met her early 2015' i noticed I am hepatitis B positive on november 2015 same year. Am asintomátic e antigen negative 2369 dna.
Is it possible I was infected by her?
How long do it take for e antigen seroconversion without treatment.
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I Know that she is highly contagious for that matter .. but can this be cured?
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Had a possible exposure in January 2015 ...... Took a home test Oraquick on April 29 2015 and test was Negative. I was still feeling paranoid so in November 2015 I decided to go out and buy another test. Took it and it was once again Negative. So that means I tested Negative at 3 months post possible exposure and then again at 10 months post possible exposure.
The reason i'm so nervous is being I recently had an Endoscopy done and was diagnosed with Esophageal Thrush. Just about everywhere I turn to on the internet mentions HIV as a big culprit. However it also says there are other causes like diabetes and asthma medicine. I don't use any of those, but i am a big sufferer of GERD.
I'm wondering how reliable these tests are. Should I seriously quit being so paranoid?
I have not engaged in risky activities since January 2015. I've read that the test is pretty much "dummy proof" and built much like a pregnancy test where as long as you get a line on the Control line then you know it's working right.
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I took an oraquick in home oral swab test 6 months after unprotected vaginal sex .. I took three of them all negative . Are these test good enough to move on. I did blood test antibody at 11 weeks but I was not sure if that was good enough.
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Is a 5 week HIV test too early to test? I received a negative, however how often does these test results change?
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I have just started Cerazette yesterday and I am wondering how reliable it is. I have a long term partner and I am wondering if we need to use protection when having sex or can I trust this method of contraception?
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I was just wondering could oraquick be used after a year of exposure or what kind of test could be used after a year?
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I had unprotected sex with a female of unknown status. (i'm male) it was a one time occurrence. I went in and had an RNA test at 10 days which came back negative and a antibody test at 26 days which came back negative. How confident can I be in those results? It seems that 3 months is the mark but there is some updated news that findings can be given with high confidence earlier than that.
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I am a heterosexual female in her mid 20's. In October and December of 2015, I had unprotected sex with a guy I was casually dating (so dumb, I know). He assured me he was "clean" and I didn't think twice about it, until I started dating my current boyfriend in January.
Shortly after we started dating, I got a UTI, took antibiotics, which then gave me the WORST yeast infection of my life. When it didn't go away with the normal remedies by the first week of Feb, I went to the doc for my yearly. I was tested for everything bacterial and she said HIV/Herpes testing wasn't necessary, so I took her word for it. It only came back for yeast.
Fast forward to March and it wasn't gone. After I consulted Dr. Google, it said chronic yeast infections are signs of HIV in women. Naturally, I ran to the nearest CVS for an Oraquick. It was negative, yay. (March 15, 2016)
Ever since, the thought of having HIV has caused me tremendous anxiety. To the point that I tested myself again at the end of May, which was also negative.
So my question is, can I reliably put my worries to bed after my two negative home tests outside of the 3 month window? I followed the intructions to a "T", it's the horror stories about people having negative rapid tests and positive blood tests that cause me concern.
Lastly, my current boyfriend and I have been using protection the entirety of our relationship. In the event that I do have HIV, what is the likelihood that I would have given it to him?
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I was just wondering what comes after a cortisol stim test for diagnosing Addison's Disease ?
I had 2 Cortisol stim tests done one in the afternoon and one in the early morning .
Afternoon test read 2.8 out of 5-15
Morning test read 3.8 out of 5-25 Both low
Do i now have a Acth test done to see if its the adrenals glands or Pituitary or Hypothalamus Producing such low cortisol ?
I have abdominal cramping , hot flashes , constipation . tired , weak and major weight loss 35 + pounds in 8 months .
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i had my period last june 9 2014, then on june 27 and 28 i had a light spotting.den, i felt something's wrong with me..there's a feeling or slight symptoms of a pregnant woman..a boobs are tender to touch and painful..my body feel hot like i was having a light fever..than july 1 i take a pregnancy test and shows positive but faint line.. then, july 2 to 8 i got again spotting.. and goes away.. july 14 i took another pregnancy test shows again positive faint line.. i went to my ob july 18 just to know her what's happening on me. i had that light spotting again..and in transvaginal ultrasound shows that there was a thickening of the lining tells me that i am positive. 5 to 6 weeks, but i have a cyst considered benign.nothing to worry about she said. she gave me medicine duphaston good for 10 days, and i'm going to come back for a follow up appt. on july 28. again the spotting continues sometimes light bleeding, sometimes full on my liners. another medicine duphaston gud for 5 days she gave me because on the ultrasound she saw only thickening of the linings and the baby wasn't developing. then, this day august 1 i came back for the final appt, i took a blood test and shows negative. transvaginal ultrasound shows again the lining on my ovary.
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I am male 30 years old Indian. Had a protected vaginal sex with one girl with unknown HIV status during 11th of August 2013 for 3 times after that I had a foreplay without protection keeping pennis on her vagina without Inserting / penetration into the vagina for 5 minutes but during that event my foreskin pulled back. I am totally convinced on my protected vaginal sex and bit worried on my unprotected foreplay and believing that some of the vaginal precum fluids may entered through my urethra. My anxiety starts since I got mild fever (38 degree) on September 9th 2013 exactly 28th day evening which exists for one night after putting antibiotic injection after two days I faced fatigue exists for 2 days and after 2 days I had mild sore throat with dry mouth exists for one day and after 3 days I faced diarrhea 2 times a day and exists for 3 days.. all these days I got small red spots rashes 10 - 20 no's which on my shoulders and mild night sweats which only on my neck and hand elbows 1 hour after I slept. But I never faced fever on these days expect the day -1. Never faced swollen glands and swollen lymph nodes up to now.
I am totally worried and got anxious and had a Standard HIV antibody rapid test for HIV -1 & 2 on my 53 th day ( i.e.: Oct 4th 2013 - 7.5 weeks from my possible exposure date) and it came as non-reactive,
I took western blot test on my 58th day again it came as negative..
But from Oct 5th I am getting small rashes on my hand and in shoulders and in legs and some of them in legs are itching...
1) Kindly advise me will my 7.5 weeks standard antibody negative & negative western blot test at first day of my 9th week (ie : 9/10/2013) will likely to change positive on my 12th week standard antibody (HIV 1 & 2) testing.
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