Assessing STD Risks After Unprotected Oral and Protected Intercourse - Urology

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Hello, doctor?


I had an encounter with an unfamiliar woman about a week ago, which involved unprotected oral sex (with saliva present) and protected vaginal intercourse.
Prior to this, I had engaged in masturbation, thinking it would help me last longer, but it seems to have made me overly sensitive.
A day or two later, I experienced slight discomfort at the urethral opening and in the urethra.
Now, about five days later, there is no discharge.
I have seen a doctor who mentioned there was blood in my urine but no signs of inflammation.
I was prescribed medication for three days and advised to return for a follow-up.
What is the likelihood of having contracted a sexually transmitted infection (STI), and what tests should I consider? Thank you.

Z, 20~29 year old female. Ask Date: 2016/12/17

Dr. Du Shixi reply Urology


Hello: After taking your medication, you need to return to the hospital's urology department to explain your condition.
Different diseases have different incubation periods, so I recommend that you get checked every 6 to 8 weeks.
Of course, if you experience any sudden issues, you should return to the hospital for an examination.

Reply Date: 2016/12/17

More Info


When assessing the risk of sexually transmitted diseases (STDs) after engaging in unprotected oral sex and protected intercourse, it is essential to understand the transmission dynamics of various STDs and the specific circumstances of your sexual encounter.

Firstly, unprotected oral sex does carry a risk of transmitting STDs, although the risk is generally lower compared to unprotected vaginal or anal intercourse. However, certain infections, such as gonorrhea, chlamydia, syphilis, and herpes, can still be transmitted through oral sex. The presence of saliva can provide some level of protection against certain pathogens, but it does not eliminate the risk entirely. Additionally, if there were any cuts or sores in the mouth, this could increase the risk of transmission.

In your case, the fact that you engaged in unprotected oral sex and then had protected intercourse does raise some concerns. While the use of a condom during vaginal intercourse significantly reduces the risk of transmitting STDs, it does not provide complete protection against infections that can be transmitted through oral sex. If the female partner had an STD, there is a possibility that you could have been exposed during the oral sex.

Regarding your symptoms, such as slight discomfort in the urethra and the presence of blood in your urine, it is crucial to consider that these could be indicative of a urinary tract infection (UTI) or another condition unrelated to an STD. The absence of discharge is a positive sign, as many STDs typically present with noticeable discharge. However, the discomfort you are experiencing warrants further investigation.

Given that you have already seen a doctor and have been prescribed medication, it is essential to complete the course as directed. If your symptoms persist or worsen after finishing the medication, a follow-up appointment is necessary. During this follow-up, you should discuss the possibility of STD testing, especially for infections that may not present with obvious symptoms.

For STD testing, the timing of the tests is crucial. Different STDs have varying "window periods," which is the time it takes for the infection to become detectable in tests. For example, HIV tests can be done as early as two to four weeks after exposure, but for more accurate results, testing at three months is recommended. Gonorrhea and chlamydia can typically be tested for about one week after exposure, while syphilis testing is usually reliable after about six weeks.

In terms of managing your anxiety and concerns about potential STD exposure, it is important to remember that many STDs are treatable, and early detection can lead to better outcomes. Engaging in open communication with healthcare providers about your fears and symptoms can also help alleviate anxiety. Additionally, practicing safe sex in the future, such as using condoms for all sexual activities, can significantly reduce the risk of STDs.

In summary, while there is a risk of STDs from unprotected oral sex, your symptoms may not necessarily indicate an infection. Follow up with your healthcare provider for further evaluation and testing, and consider discussing your sexual health practices to minimize risks in the future.

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