Throat Pain and Mouth Sores After Oral Sex: Is It Just a Bacterial Infection? - Otolaryngology

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Sore throat and small blisters in the mouth the day after oral sex?


I had a sore in my mouth before, and after performing oral sex on my boyfriend, the next day my throat felt dry and painful.
I also developed small blisters in my mouth.
I went to see a doctor, but they didn't specifically mention oral sex; they just said it was a general bacterial infection.
Given that neither of us has any sexually transmitted infections, could this really just be a general bacterial infection? Is there anything else I need to pay special attention to?

hen dan xin, 20~29 year old female. Ask Date: 2018/12/11

Dr. Li Jiaxuan reply Otolaryngology


If it hasn't healed in two weeks, a biopsy should be performed.
Wishing you well.

Reply Date: 2018/12/11

More Info


Experiencing throat pain and mouth sores after oral sex can understandably cause concern, especially when considering the potential for infections. While your doctor has indicated that your symptoms may be due to a general bacterial infection, it's important to explore this further to ensure that you receive the appropriate care and treatment.

Firstly, oral sex can expose individuals to various pathogens, including bacteria and viruses. The mouth and throat are not sterile environments, and they can harbor bacteria that may lead to infections, especially if there are pre-existing conditions such as cuts or sores in the mouth. If you had broken skin in your mouth prior to engaging in oral sex, this could have provided an entry point for bacteria, leading to your symptoms.

The symptoms you describe—throat pain and the presence of small sores or blisters in the mouth—are consistent with several conditions. One possibility is a viral infection, such as herpes simplex virus (HSV), which can cause oral herpes. This condition often presents with painful sores or blisters around the mouth and can also lead to throat discomfort. Another possibility is a bacterial infection, such as a streptococcal infection, which can cause sore throat and may also lead to the development of sores in the mouth.

It's also worth noting that oral thrush, a fungal infection caused by an overgrowth of Candida, can occur, especially if there are factors that compromise your immune system or alter the normal flora of the mouth. Symptoms of oral thrush include white patches in the mouth and soreness.

Given that both you and your partner reportedly do not have sexually transmitted infections (STIs), it is less likely that your symptoms are due to an STI, but it is not impossible. Some STIs can present with oral symptoms, and it is always prudent to consider testing for STIs if there is any doubt about your partner's sexual health status.

If your symptoms persist or worsen, it is crucial to follow up with a healthcare provider. You may need a more thorough examination, including swabs of the sores for culture or PCR testing, to identify the specific pathogen involved. If a viral infection is suspected, antiviral medications may be necessary, while bacterial infections may require antibiotics.

In the meantime, there are several self-care measures you can take to alleviate your symptoms. Staying hydrated, using saltwater gargles, and avoiding irritants such as spicy or acidic foods can help soothe your throat. Over-the-counter pain relievers may also provide relief.

In summary, while your symptoms may be attributed to a common bacterial infection, it is essential to remain vigilant and consult with a healthcare provider if your condition does not improve. Proper diagnosis and treatment are key to ensuring your health and well-being. If you have any further concerns about potential STIs or other infections, do not hesitate to discuss these with your healthcare provider.

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