Skin Reactions After Unprotected Sexual Encounter - Urology

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Unprotected sexual intercourse?


Hello doctor, I am a gay man.
On December 20, 2018, I had unprotected sexual intercourse with a friend, which also included oral sex.
Initially, I did not notice any unusual symptoms, but after two to three days, I started experiencing some itching in my abdominal muscles and lower back.
I also noticed a few skin elevations resembling hives that were not itchy.
I thought it might be due to the cold weather causing dry skin, but the surface of the hive-like skin elevations seemed dry as well.
Later, when I went to the bathroom, I discovered red spots on the inner thighs, along with a couple of skin elevations similar to hives, but they were not itchy.

On the fourth morning, when I got out of bed, I noticed that the itching in my abdominal muscles and lower back had subsided, and the hive-like skin elevations had also diminished.
However, there were still some red spots on other areas of my thighs.
After that, when I took off my shirt, I found red spots and hive-like skin elevations on the inner sides of both arms, but by then, they had already started to fade.
A colleague at work also noticed red spots on my back.
I am concerned that I might have contracted a virus.
I would appreciate your guidance on this matter.
Thank you.

Mr. Li, 20~29 year old female. Ask Date: 2018/12/25

Dr. Du Shixi reply Urology


Hello: It is possible that there is an infection, and screening should be conducted.
However, since it has only been 2-3 days, it could be a result of a previous infection.
Wishing you good health.

Reply Date: 2018/12/25

More Info


It sounds like you are experiencing a series of skin reactions that could be concerning, especially following an unprotected sexual encounter. Based on your description, it seems you have developed some symptoms that resemble urticaria (hives) and possibly other dermatological reactions.
Firstly, it’s important to understand that skin reactions can occur for a variety of reasons, including allergic reactions, irritant contact dermatitis, or even infections. Given that your symptoms appeared a few days after the encounter, it is possible that they could be related to an allergic reaction to something you came into contact with, such as a product used during the encounter, or even a sexually transmitted infection (STI).
Urticaria, or hives, is characterized by raised, itchy welts on the skin that can vary in size and can appear anywhere on the body. They can be triggered by various factors, including allergens, stress, medications, or infections. The fact that your symptoms have been fluctuating—appearing and then subsiding—could suggest an allergic reaction rather than a persistent infection.
The red spots you mentioned on your thighs and arms could also be indicative of a dermatological condition that warrants further investigation. While some skin reactions can resolve on their own, others may require medical attention, especially if they persist or worsen.
In terms of your concerns about potential infections, it is crucial to consider that some STIs can present with skin symptoms, including rashes or lesions. For instance, conditions like herpes or syphilis can manifest with skin changes, and it is advisable to get tested if you have any concerns about exposure to STIs.
Given the complexity of your symptoms and the potential for various underlying causes, I would recommend the following steps:
1. Consult a Healthcare Provider: It is essential to see a dermatologist or a healthcare provider who specializes in sexual health. They can perform a thorough examination, take a detailed history, and possibly conduct tests to determine the cause of your symptoms.

2. Keep a Symptom Diary: Document when your symptoms appear, their duration, and any potential triggers you may notice. This information can be helpful for your healthcare provider in diagnosing the issue.

3. Avoid Irritants: Until you have a clearer understanding of what is causing your symptoms, try to avoid any known irritants or allergens, including certain soaps, lotions, or other products that may have been used during your encounter.

4. Consider STI Testing: If you have concerns about potential exposure to STIs, it is prudent to get tested. Many STIs can be asymptomatic, and early detection is key to effective treatment.

5. Monitor Your Symptoms: If your symptoms worsen or if you develop additional symptoms such as fever, swelling, or pain, seek medical attention promptly.

In conclusion, while your symptoms may not indicate a severe condition, they do warrant further investigation to rule out any serious underlying issues. Taking proactive steps by consulting a healthcare provider will help ensure that you receive the appropriate care and peace of mind.

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