STDs: Can Symptoms Appear Within Two Days? - Urology

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Sexually transmitted infections (STIs) issues?


Hello Dr.
Lee, I had unprotected sexual intercourse with a woman on March 28 and 29.
On March 29, I started experiencing itching at the glans (urethral opening), but I have no other symptoms.
Is it possible for a sexually transmitted infection (STI) to manifest within two days? Could this be an STI? I've researched a lot but I'm still uncertain, so I would like to consult with you.
Thank you.

Hao jiao lv, 20~29 year old female. Ask Date: 2016/03/31

Dr. Li Xinyi reply Urology


There are no answers that can guarantee results, nor can they alleviate your anxiety.
If there has been risky behavior, it is advisable to see a urologist for examination and follow-up.

Reply Date: 2016/03/31

More Info


When it comes to sexually transmitted diseases (STDs), the timeline for the appearance of symptoms can vary significantly depending on the specific infection. Generally, symptoms of STDs can manifest anywhere from a few days to several weeks after exposure. However, some infections can indeed present symptoms relatively quickly, within a couple of days.

In your case, you mentioned that you engaged in unprotected sexual intercourse on March 28 and 29, and you began experiencing itching at the tip of the penis (glans) on March 29. This rapid onset of symptoms raises a few considerations.
1. Possible STDs: Certain STDs, such as gonorrhea and chlamydia, can cause symptoms to appear within a few days after exposure. Symptoms may include itching, burning sensations, or discharge. Other infections, like herpes, can also present with symptoms such as itching or tingling, often accompanied by blisters or sores, but these typically appear a bit later, usually within 2 to 12 days after exposure.

2. Non-STD Causes: It's also important to consider that itching can be caused by non-STD-related issues, such as irritation from soaps, lotions, or other products, allergies, or even a yeast infection.
3. Diagnosis and Testing: Given your symptoms and the recent sexual activity, it is advisable to consult a healthcare provider for a thorough evaluation. They may recommend testing for common STDs, including gonorrhea, chlamydia, syphilis, and HIV, among others. Testing is crucial not only for your health but also for the health of any future partners.

4. Prevention and Safe Practices: Regardless of the outcome, this situation highlights the importance of safe sexual practices, including the use of condoms, to reduce the risk of STDs. Regular screenings and open communication with partners about sexual health are also vital components of responsible sexual behavior.

5. Follow-Up: If you experience any worsening symptoms, such as increased itching, discharge, pain during urination, or any other unusual symptoms, seek medical attention promptly. Early diagnosis and treatment can help prevent complications and the spread of infections.

In summary, while it is possible for some STDs to present symptoms within two days, it is essential to get tested and evaluated by a healthcare professional to determine the cause of your symptoms accurately. They can provide the appropriate guidance and treatment based on your specific situation.

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