Is My Sudden Back Pain a Sign of HIV Risk? Common Concerns Explained

Is the risk of HIV high?

Hello, I would like to ask about an incident that happened yesterday while I was riding my motorcycle at approximately 40 km/h.
Suddenly, I felt a sharp pain in my back.
I immediately touched the area but didn’t feel anything.
Later, a person rode past me and glanced at me, which made me worry that they might have stabbed me with something.
When I got home, I checked and didn’t see any bleeding or obvious wounds (although I do have some folliculitis bumps on my back).

1.
What is the likelihood of contracting HIV in this situation? Or am I just overthinking it?
2.
If I am just overthinking it, why do I sometimes experience sudden sharp sensations on my skin? Can folliculitis cause such feelings?
3.
Given my concerns, should I seek post-exposure prophylaxis (PEP)?
4.
Or is it sufficient to wait and get tested for HIV three months later? Thank you, doctor.

Niming, 20~29 year old female. Ask Date: 2016/08/09

Dr. Hong Yuanbin reply Internal Medicine

Hello, based on your description, the chance of HIV infection is indeed very low, and there is no need for prophylactic medication.
The pain in the skin on your back is usually caused by muscle soreness.
If you are concerned, you can have a blood test done in 3 to 6 weeks.
Thank you for your question.

Reply Date: 2016/08/09

More Info

When it comes to concerns about HIV transmission, it's important to understand the specific modes of transmission and the context of your situation. Based on your description, the likelihood of contracting HIV from the incident you described is extremely low. Let's break down your concerns:
1. HIV Transmission Risk: HIV is primarily transmitted through specific routes: unprotected sexual contact with an infected person, sharing needles, or from mother to child during childbirth or breastfeeding. In your case, riding a motorcycle and feeling a sudden pain in your back does not constitute a risk for HIV transmission. The absence of visible wounds or blood further reduces any potential risk. It's understandable to feel anxious, but the scenario you described does not align with known transmission pathways for HIV.

2. Sudden Skin Sensations: The sudden pain or tingling sensation you experienced could be attributed to a variety of non-HIV-related causes. These can include muscle strain, nerve irritation, or even anxiety-related symptoms. Conditions like folliculitis (which you mentioned as having some pimples on your back) can cause localized discomfort or pain, but they are not linked to HIV. Skin sensations can also be influenced by stress or anxiety, which can heighten your awareness of bodily sensations.

3. Preventive Medication: Given the circumstances you've described, there is no need for post-exposure prophylaxis (PEP) for HIV. PEP is typically recommended for individuals who have had a high-risk exposure to HIV, such as unprotected sex with an HIV-positive partner or sharing needles. Since your situation does not fit these criteria, seeking PEP would not be appropriate.

4. Testing for HIV: If you are still feeling anxious about your HIV status, it is reasonable to get tested. The window period for HIV tests can vary depending on the type of test used. For most tests, it is recommended to wait at least 3 months after a potential exposure for accurate results. However, if you have had any high-risk behavior since your last test, it would be wise to get tested sooner. Regular testing is a good practice for sexually active individuals, especially if engaging in high-risk behaviors.

In summary, your sudden back pain is unlikely to be a sign of HIV risk. It is more likely related to non-HIV-related issues such as muscle strain or anxiety. If you continue to feel concerned, consider speaking with a healthcare professional who can provide reassurance and guidance. Regular health check-ups and open discussions about sexual health can also help alleviate anxiety and ensure your well-being.

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