Concern about sexually transmitted infections (STIs)
Hello, Dr.
Du.
A few days ago, I had a small pimple inside my nostril that I popped, causing it to bleed.
The scab has been itchy for the past few days.
This morning, I picked at the scab with my finger and noticed some blood streaks on the mucus around my finger.
I only realized afterward that there might still be a wound inside my nostril.
(About half an hour ago, I went to a convenience store to buy fresh milk and rice balls.) I would like to ask you, Dr.
Du: (1) Given this kind of contact in daily life, is there a high chance that my finger has sexually transmitted disease (STD) viruses or bacteria? (2) In the situation described, if my finger has touched a potentially wounded nostril, is there a risk of contracting an STD, such as syphilis or genital warts? Thank you for taking the time to respond, Dr.
Du!
Xiao Dong, 50~59 year old female. Ask Date: 2018/04/27
Dr. Du Shixi reply Urology
Hello: The likelihood of HIV and syphilis transmission is low, as they are primarily transmitted through sexual contact.
However, there are rare cases of transmission of genital warts (caused by HPV) through contact.
Whether transmission occurs depends on the individual's immune response and the viral load.
Wishing you good health.
Reply Date: 2018/04/27
More Info
When it comes to concerns about sexually transmitted diseases (STDs) following a nasal injury, it’s important to understand the nature of STDs and the mechanisms of transmission. Based on your description, you had a small pimple inside your nostril that you accidentally popped, leading to bleeding and subsequent itching at the scabbed area. Afterward, you touched the area with your finger, which raises questions about potential infection.
1. Risk of STD Transmission: The likelihood of contracting an STD through casual contact, such as touching your nose after handling food or other items, is extremely low. STDs are primarily transmitted through sexual contact, which includes vaginal, anal, and oral sex. The pathogens responsible for STDs, such as the human immunodeficiency virus (HIV), syphilis, and human papillomavirus (HPV), typically require direct mucosal contact with infected bodily fluids. In your case, the contact was not sexual in nature, and the pathogens are unlikely to survive on your finger long enough to cause infection through a non-sexual route.
2. Infection from Touching a Wounded Area: While it is theoretically possible to introduce bacteria into a wound by touching it with unwashed hands, the risk of contracting an STD in this manner is minimal. The bacteria that typically cause infections from skin injuries are not the same as those that cause STDs. Common bacteria that might cause infections from touching a wound include Staphylococcus aureus or Streptococcus, which are not sexually transmitted pathogens.
3. Infection Symptoms: If you notice increased redness, swelling, warmth, or pus at the site of the injury, these could be signs of a bacterial infection. However, these symptoms would not indicate an STD but rather a localized skin infection. If you experience systemic symptoms such as fever, chills, or persistent pain, it is advisable to seek medical attention.
4. Healing Process: Generally, minor wounds like the one you described should heal within a week. If you continue to experience itching or discomfort, it may be due to the healing process or irritation from touching the area. It’s essential to keep the area clean and avoid further irritation.
5. Preventive Measures: To minimize the risk of infection, always wash your hands before touching your face, especially if you have an open wound. Avoid picking at scabs or wounds, as this can introduce bacteria and delay healing.
In summary, while it’s understandable to be concerned about potential infections following an injury, the risk of contracting an STD through the scenario you described is exceedingly low. If you have ongoing concerns or develop symptoms that worry you, consulting a healthcare professional for further evaluation and peace of mind is always a good idea.
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