- 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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Answered by 1 Apollo Doctors
I'm trying to understand the window period for the HIV 1 and 2 antibodies and p24 antigen test, like the CMIA test. Is it safe to say that getting tested three months after exposure would give me a conclusive result? I've been stressing about it and just want to make sure I'm doing the right thing. Can you shed some light on this?
The window period for HIV 1 & 2 antibodies and p24 antigen test using CMIA method is typically around 4 weeks to 3 months after exposure. For most individuals, this test is considered conclusive after 3 months post-exposure. It is important to follow up with your healthcare provider for further guidance and monitoring.
Answered by 1 Apollo Doctors
I'm really anxious about my recent HIV RNA test. It was done just two weeks after potential exposure, and the result came back as 100. Can you tell me if this is conclusive or if I need additional testing? I'm really worried and could really use your guidance.
Yes it is conclusive
Answered by 1 Apollo Doctors
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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.