HIV Transmission Risks: Concerns After Sexual Encounter - Urology

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Suspected HIV infection, concerns about HIV?


Hello, doctor.
On September 16, I had sexual intercourse with an online sex worker.
We kissed, and I ejaculated inside her.
We both showered before and after.
On October 11, I went to a nearby hospital for a blood test.
Although the results are not out yet, I am very worried about my family being infected by me.
Currently, I have small cuts on two of my fingers, but there is no fluid coming out.
I would like to know if this could infect my family.
I have the following questions, and I hope you can be understanding:
1.
If there are no fluids from a wound in the early stages of HIV, how could it be transmitted?
2.
Can saliva in the early stages of HIV transmit the virus?
3.
Can the smell of urine indicate whether someone is infected with HIV?
I regret my actions due to momentary curiosity and am worried that I may have put myself on a dangerous path.
At this moment, I feel very remorseful, and I kindly ask for your explanation.
Thank you, doctor.

Mu Tou De Hai Zi, 20~29 year old female. Ask Date: 2017/10/12

Dr. Du Shixi reply Urology


Hello: 1) The early stage is often asymptomatic; as long as there is a virus, there is a chance of transmission.
2) If saliva contains the virus, there is a possibility of infection.
3) Diagnosing HIV infection requires careful confirmation, typically involving two blood tests.
It may not be possible to determine infection based on urine odor, and it is advisable to retest approximately three months after potential exposure.

For reference, HIV is transmitted through the exchange of bodily fluids (such as blood, semen, vaginal secretions, and breast milk).
The transmission routes include: (1) Sexual transmission: Engaging in oral, anal, or vaginal sexual contact with an HIV-infected individual carries the risk of infection.
(2) Blood transmission: Sharing needles, syringes, diluents, or receiving blood or blood products contaminated with HIV from an infected person.
(3) Vertical transmission from mother to child: An HIV-infected woman may transmit the virus to her baby during pregnancy, childbirth, or breastfeeding.

Reply Date: 2017/10/12

More Info


It's understandable to feel anxious after a sexual encounter, especially when it involves a sex worker. Let's address your concerns regarding HIV transmission and clarify some important points about the virus, its transmission, and the risks involved.

1. HIV Transmission through Open Wounds: HIV is primarily transmitted through specific body fluids such as blood, semen, vaginal fluids, rectal fluids, and breast milk. If you have small cuts on your fingers but there is no visible blood or fluid, the risk of transmitting HIV through those wounds is extremely low. For transmission to occur, the virus must be present in sufficient quantities and come into direct contact with mucous membranes or open wounds. Since you mentioned that there was no fluid involved, the likelihood of transmission in this scenario is negligible.

2. Saliva and HIV: Saliva is not considered a significant transmission route for HIV. While HIV can be found in saliva, it is present in very low concentrations, and there are enzymes in saliva that inhibit the virus's ability to infect. Therefore, the risk of transmitting HIV through kissing or saliva is very low, especially if there are no open sores or bleeding gums involved.

3. Urine and HIV Detection: Urine is not a transmission route for HIV. The virus does not survive well outside the human body, and urine does not contain the virus in a transmissible form. Therefore, the smell or appearance of urine cannot indicate whether someone is infected with HIV. Testing is the only reliable way to determine your HIV status.

Regarding your concerns about potentially infecting family members, it's important to note that HIV is not transmitted through casual contact. The virus does not spread through air, water, or by sharing utensils, towels, or through hugging and kissing (unless there are open wounds involved). The primary routes of transmission are through unprotected sexual intercourse, sharing needles, and from mother to child during childbirth or breastfeeding.

If you are feeling anxious about your HIV status, it is crucial to get tested. The HIV tests available today are highly accurate and can provide results within a few days to weeks, depending on the type of test used. If you had a potential exposure, it is recommended to test at the appropriate intervals (usually at 1 month, 3 months, and sometimes 6 months post-exposure) to ensure accurate results.

In addition to HIV testing, consider discussing your concerns with a healthcare provider who can offer support and guidance. They can help you understand your risks better and provide resources for mental health support if you're feeling overwhelmed.

Lastly, it's important to practice safer sex in the future to reduce the risk of HIV and other sexually transmitted infections (STIs). This includes using condoms consistently and correctly, getting tested regularly, and discussing sexual health openly with partners.

In summary, while your concerns are valid, the risk of transmitting HIV to your family members through the scenarios you've described is extremely low. Focus on getting tested and seeking professional advice to alleviate your worries and ensure your health and the health of those around you.

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