STD Transmission: Symptoms, Risks, and Testing

Sexually transmitted infections (STIs) transmission

Hello doctor, I had unprotected oral and vaginal intercourse with an online acquaintance on February 18, but I did not ejaculate.
After that, I felt some itching while urinating, but since there was no burning sensation, I didn't pay much attention to it.
On February 28, I had sexual intercourse with my girlfriend, and we used condoms throughout.
On March 8, I noticed a burning sensation while urinating and a milky white discharge from the glans.
I subsequently visited a urologist and am currently undergoing treatment.
I would like to ask: 1) Is it possible that I have non-gonococcal urethritis since the incubation period from February 18 to March 8 is 20 days? 2) Is there a risk that my girlfriend could be infected? 3) Should I also get tested for HIV and syphilis?

Yu Tian, 30~39 year old female. Ask Date: 2016/03/11

Dr. Li Xinyi reply Urology

It is possible that what you wrote is accurate.
It is recommended to see a urologist for examination and follow-up.

Reply Date: 2016/03/11

More Info

When it comes to understanding sexually transmitted diseases (STDs), it's crucial to recognize the symptoms, risks, and the importance of testing. Based on your situation, let's address your concerns one by one.

1. Incubation Period and Symptoms: The symptoms you described, including itching during urination and the subsequent development of a burning sensation and discharge, are indeed concerning. The incubation period for non-gonococcal urethritis (NGU), which is often caused by Chlamydia trachomatis, can range from 1 to 3 weeks, making your timeline plausible. Given that you engaged in unprotected oral and vaginal sex, it is possible that you contracted an STD, particularly if your partner was infected. The presence of a white discharge and burning sensation during urination are common symptoms of urethritis, which can be caused by several pathogens, including Chlamydia and Mycoplasma.

2. Risk of Transmission to Your Partner: Since you had unprotected sexual contact prior to your symptoms appearing, there is a risk that your girlfriend could be infected, especially if you were carrying an STD at the time of your sexual encounter. However, using a condom during intercourse significantly reduces the risk of transmission, but it is not 100% effective. If you are diagnosed with an STD, it is essential that your girlfriend also gets tested, even if she is asymptomatic, to ensure her health and prevent further transmission.

3. Testing for Other STDs: Given your symptoms and the potential exposure, it is advisable to get tested for a range of STDs, including HIV and syphilis, in addition to Chlamydia and Gonorrhea. Many STDs can be asymptomatic, and early detection is key to effective treatment and preventing complications. The Centers for Disease Control and Prevention (CDC) recommends that sexually active individuals, especially those with multiple partners or unprotected sex, get tested regularly for STDs.

In summary, your symptoms and the timeline suggest a possible case of non-gonococcal urethritis, but a definitive diagnosis can only be made through testing. It is important to follow up with your healthcare provider for appropriate tests and treatment. Additionally, informing your girlfriend about your situation and encouraging her to get tested is crucial for both of your health. Remember, open communication about sexual health is vital in any relationship, and taking proactive steps can help prevent the spread of STDs.
Lastly, while waiting for test results, it is advisable to abstain from sexual activity to prevent potential transmission to others. If you have any further questions or concerns, don't hesitate to reach out to your healthcare provider for guidance.

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