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Chances of HIV after unprotected sex.

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Hello, I am a 28 year old male. About two years old patientago I had unprotected sex with a female of unknown HIV status. I have an HIV test coming up next month and have began to worry. This was the only time I've had unprotected sex with anyone. Duration was a couple hrs if that matters. I'm wondering what the chances of HIV infection are? Should I be so worried?

Category: Sexually Transmitted Diseases(STD)Specialist

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Category: HIV- AIDS Specialist
 25 Doctors Online

Thank you for your query at
I understand your concern.
It is very difficult to predict, because if she was in fact HIV postitive, then she could have possibly transmitted it onto you. However, the good thing one such exposure has very low chances of spreading HIV. Also it's been 2 years, and if you were infact infected, you would have started manifesting some symptoms by now, such as unexplained fever, lymph node enlargement, myalgia ( e.t.c )
So in my opinion, in absence of any decline in your general health and absence of other symptoms that i mentioned, you should not be worried.
Feel free to discuss further,

Patient replied :

Are the symptoms temporary or do they happen off and on? Are they very severe? could I be in a latency stage? I have had two canker sores. Besides for my obvious paranoia, I am in great shape and health. I really appreciate your help.

The symptoms can be very varied, but when it does occur it tends to be more severe than what is expected in normal people.
Canker sores can be secondary to other causes such as spicy food, bites, and vitamin deficiency.
Please do not be so worried, you're in great health and that rules out chances of HIV.
It is highly unlikely anyway from one such exposure.

Patient replied :

Dr. Sebastian, thank you so much for your reassurance. I just went and purchased the Oraquick home test. The results were negative. I very much appreciate your expertise. I hope you have a wonderful day and I thank you for your line of work.

Dr. Jaydeep Tripathy
Category: HIV- AIDS Specialist
MBBS from Sri Ramachandra University in December 2011
M.Med (Family Medicine) - TNMGR University, Chennai
MBA-MPH in Public Health in March 2016, SRM University
Finished AFIH in March 2016, SRM University
MRCP ( UK ), Internal Medicine, Royal College of Physicians, June 2016
Fellowship in Diabetology from Martin Luther University in January 2017

Currently Resident Physician, in MD Radiodiagnosis - Kamakshi Memorial Hospital, Chennai
Dr. Jaydeep Tripathy and 4 other Medical Specialists are ready to help you

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