
I Need To Ask About About STI. If I Need

Question: i need to ask about about STI. if I need to get a test in Pakistan/India, you don't usually get to find a swab test for herpes or clymedia. the available tests are only the blood tests. what's the difference between the two and is it possible that I have herpes locally and my bloodtest still shows it at negative? thanks
Brief Answer:
Regarding STDs
Detailed Answer:
Hello and welcome to ask a doctor service. I have reviewed your query and here is my advice.
A swab test is certainly better early on after suspected infection. It is a direct test which detects nuclear antigens of herpes or chlamydia whereas a blood test only becomes reliable after 6-8 weeks in case of herpes whereas in case of chlamydia one needs to demonstrate a rise in titre over a period of time. So, if its early on after infection a swab test is certainly better when a blood test may give a false positive result.
Hope I have answered your query. Let me know if you need any more assistance.
Regarding STDs
Detailed Answer:
Hello and welcome to ask a doctor service. I have reviewed your query and here is my advice.
A swab test is certainly better early on after suspected infection. It is a direct test which detects nuclear antigens of herpes or chlamydia whereas a blood test only becomes reliable after 6-8 weeks in case of herpes whereas in case of chlamydia one needs to demonstrate a rise in titre over a period of time. So, if its early on after infection a swab test is certainly better when a blood test may give a false positive result.
Hope I have answered your query. Let me know if you need any more assistance.
Note: Consult a Sexual Diseases Specialist online for further follow up- Click here.
Above answer was peer-reviewed by :
Dr. Raju A.T

Answered by

Get personalised answers from verified doctor in minutes across 80+ specialties
