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On gargling mouthwash after having oral sex

A Filipino who likes giving oral sex wants to get more information about what good – if any – mouthwashing after giving head can do, and Dr. Jose Narciso Melchor Sescon provides some information about this.

Dr. Jose Narciso Melchor Sescon – president of the AIDS Society of the Philippines and current Chief of Clinics of Sta. Ana Hospital – answers all your HIV-related inquiries. For all your questions, email or

Good day Doc,

I’m not a sexually active guy but if there’s an opportunity to do it, I make sure to take make my self clean by taking shower and do all my cleaning rituals. I love giving heads and asking my mate to come in my mouth. I don’t know if this has been asked, but is it safe to gargle mouthwash after having sex?

Your response will be much appreciated.



Mouthwash has hygiene purposes; and there are many types of mouthwashes, like the alcohol-based products that cause stinging when used, or the much milder types of mouthwashes. As stated, it has benefits for good hygiene purposes.

However, I have not encountered any journals/scientific studies that evaluate the effect of mouthwash re HIV risk/s; or specifically point out mouthwash as a sole preventive or curative measure for bacteria or viruses.* For that matter, it just alleviates whatever – say, soreness in the mouth – one has.

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For more information, it is best to consult and to talk face-to-face to your doctor.

You can get STIs through oral sex.

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