Q. If both partners are clean, can one get STI from oral sex?

Answered by
Dr. Arun R Kaushik
and medically reviewed by Dr. Sushrutha Muralidharan
This is a premium question & answer published on Dec 07, 2020 and last reviewed on: Jun 17, 2021

Hi doctor,

Please answer the following queries: (assume all questions about oral sex are done without a dental dam in place).

1) If both partners are clean, can one get an STI from the partner during oral sex?

2) For oral sex, what diseases or negative side effects (discluding STD/STI) could come about as a result of oral sex?

3) Does the anus need to be cleaned before oral sex, and how so should it be cleaned? Does the vagina need to be cleaned before oral sex too?

4) Is it unsanitary to perform oral sex, and should it even be done in general?

5) If one person has cuts and scrapes inside the mouth, I have heard not to perform oral sex. Is this just if one person has an STI or oral infection, or just in general?

Kindly give your opinion.



Welcome to

Answers for your queries are as follows:

1) Usually no chance to get STI (sexually transmitted disease) but difficult to predict.

2) Usually, STIs are common. Some allergies can also occur.

3) Yes, it is better to clean the anus and vagina before sex. Use a mild antiseptic soap to clean.

4) It is not unsanitary to perform.

5) It is better to avoid as some can be in the incubation phase and may have no symptoms.

I hope this was helpful.

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