- Male
- 31 Years
- 22/01/2025
Hey, I've got a question about the P24 antigen antibody test. If I take it a month after possible exposure, will the results be conclusive for HIV, or should I consider getting another type of test too? I'm anxious to know how accurate it really is at that point.
Answered by 1 Apollo Doctors
The P24 antigen-antibody duo test is highly accurate when done after one month of potential exposure, as it detects both the HIV virus and antibodies. However, for a conclusive result, it's recommended to confirm with a follow-up test, such as the HIV RNA PCR test or another antibody test, at 3 months post-exposure.
Dr. Shubham Suggests...
Consult a Infectious Disease specialist
Answered 04/07/2025
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Understanding the P24 Antigen Antibody Test
- The P24 antigen antibody test detects HIV antigens and antibodies, indicating early infection.
- It differs from other tests by identifying the virus sooner than antibody-only tests.
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Timing and Accuracy of the Test at One Month Post-Exposure
- The P24 test is typically accurate from 2-4 weeks post-exposure.
- At one month, it is generally reliable, but not definitive for all cases.
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Recommendations for Additional Testing
- Follow-up testing is advised to confirm results.
- Consider a nucleic acid test (NAT) or a fourth-generation test for comprehensive results.
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Consulting Healthcare Professionals
- Discuss results and timing with a healthcare provider for personalized advice.
- They can guide you on next steps based on your risk factors and test outcomes.
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Emotional Support and Confidentiality
- Seek support and maintain confidentiality during testing and follow-up.
- Professional guidance can provide reassurance and clarity.
Recommended next steps
Consult a Infectious Disease specialist or Consult a Sexologist
Answered 20/08/2025
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I'm a 21-year-old guy and had unprotected oral sex with a girl, but I don't know her HIV status. I also ejaculated in her mouth. I've taken the HIV Tridot test three times once after 30 days, then after 45 days, and again after 74 days. All the results were negative. How reliable are these tests, and could they turn positive later on? What's the window period for the HIV Tridot test? I'm pretty anxious about this and would like to understand more.
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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.