- 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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View allI'm currently on ATT DOTS treatment and it's been about 3 months now. Earlier today, I got a rusty cut on my wrist and I'm really considering getting a Tetanus shot. I'm just not sure if it's safe to take the Tetanus injection while I'm on these ATT meds. I did have a Tetanus shot last year. What do you think?
you can, but inform your tetanus doctor that your taking ATT
Answered by 1 Apollo Doctors
I've got a question about my recent HIV test. I took an HIV 1 RNA PCR Quantitative test about six weeks after potential exposure, and the result was "target not detected." Is this result completely conclusive, or should I think about getting tested again later? I'm a little worried and want to be sure everything's okay.
Visit Physician for evaluation and appropriate management
Answered by 1 Apollo Doctors
I've been really worried about the window period for HIV testing. I got tested after 140 days, and my result came back non-reactive. I'm wondering if that means Im definitely in the clear, or if there's a more accurate test I should consider for better peace of mind. Could you shed some light on the best test option for HIV detection?
The window period for HIV testing varies depending on the type of test used, ranging from 10 to 90 days. For a non-reactive result after 140 days, it's likely that the test has detected the absence of HIV antibodies and antigens, indicating a negative status. The best test for HIV detection is the 4th generation antibodyantigen test, which can detect 99% of samples within 45 days. However, if you're still concerned, consider a nucleic acid test (NAT), which can detect HIV within 10-33 days.
Answered by 1 Apollo Doctors
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.





