STDs: Oral and Genital Ulcers After Unprotected Sex - Urology

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Sexually transmitted diseases (STDs) issues?


On April 26, I had unprotected oral and vaginal sex with my husband.
A few days later, I developed mouth ulcers, starting with one ulcer and then another, both of which grew larger.
My husband mentioned that after our intercourse, he noticed an ulcer in his coronal sulcus.
He visited a dermatologist, who diagnosed him with a candidal infection.
I have only had him as my sexual partner.
Is it possible that this is a sexually transmitted infection (STI)? The ulcers appeared at the end of April, and on May 3, I went to an otolaryngologist for my mouth ulcers.
The next day, I experienced a sore throat, and on the 5th and 6th, I went for another consultation, where two more ulcers appeared deeper in my mouth.
How long does it take for ulcers to heal? If it is an STI, wouldn't the medication prescribed by the otolaryngologist be ineffective? Please help clarify my concerns, thank you.

Jia You, 30~39 year old female. Ask Date: 2022/05/06

Dr. Chen Jiansheng reply Urology


It may be herpes, lasting about a week.

Reply Date: 2022/05/06

More Info


When it comes to understanding sexually transmitted diseases (STDs) and their potential manifestations, particularly in the context of oral and genital ulcers following unprotected sexual activities, it is crucial to consider several factors.
Firstly, engaging in unprotected oral and genital sex increases the risk of transmitting STDs, including herpes, syphilis, gonorrhea, and chlamydia, among others. The presence of ulcers in both partners, as you described, raises the possibility of an STD, especially if one partner has visible lesions. In your case, your husband was diagnosed with a candidal infection (thrush), which is not typically classified as an STD but can occur in the context of sexual activity, particularly if there are predisposing factors like a weakened immune system or antibiotic use.

The development of oral ulcers following sexual contact can be attributed to several causes. These include viral infections (such as herpes simplex virus), bacterial infections, or even non-infectious causes like trauma or aphthous ulcers. The timing of your symptoms—developing ulcers a few days after unprotected sex—suggests that it could be related to an infectious process, particularly if your husband had lesions at the time of sexual contact.

Regarding the healing of ulcers, the duration can vary significantly based on the underlying cause. Viral ulcers, such as those caused by herpes, may take 1-2 weeks to heal, while bacterial ulcers may resolve more quickly with appropriate treatment. If the ulcers are due to a fungal infection, such as candidiasis, treatment with antifungal medications can lead to improvement within a few days.

It is essential to note that if you are experiencing symptoms like throat pain and worsening oral ulcers, it is advisable to seek medical attention. An ENT specialist can provide a thorough examination and may recommend specific tests to determine the cause of your symptoms. If there is a suspicion of an STD, it is prudent to undergo testing for common STDs, including HIV, herpes, syphilis, and others, regardless of the presence of symptoms.

In terms of treatment, if your current medications from the ENT specialist are not addressing the underlying cause of your ulcers, it may be necessary to consult a healthcare provider who specializes in infectious diseases or sexual health. They can provide a more targeted approach to your treatment based on the results of your tests.

Lastly, regarding the concern about whether the medications you are taking are effective against potential STDs, it is important to understand that different infections require different treatments. For example, antiviral medications are necessary for herpes, while antibiotics are needed for bacterial infections. Therefore, a proper diagnosis is crucial to ensure that you receive the appropriate treatment.

In summary, while the presence of ulcers following unprotected sexual activity raises concerns about STDs, it is essential to consult with a healthcare professional for a comprehensive evaluation and appropriate testing. Early diagnosis and treatment can significantly improve outcomes and help alleviate any anxiety associated with potential infections.

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