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Giving Oral Sex causes canker sores

My wife is complaining of getting canker soars every time she performs oral sex on me.  Is there anything I can check or do to prevent this from happening.  

There appears to be nothing wrong with my geneitals.

Thanks
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239123 tn?1267647614
MEDICAL PROFESSIONAL
I have never heard of this and have no explanation.  My first guess is that the events are not in fact associated except randomly; there is a very powerful psychology that attributes adverse events to whatever seemed to precede them.  Before I accepted the assertion, if you were my patient I would ask you and your wife to keep a written diary of the exact times of fellatio and onset of canker sores for at least 2-3 months--then would analyze the diary before assuming it isn't random.  Another useful approach might be to use condoms consistently for oral sex for a couple of months and see if the canker sores continue.

Sorry I can't be more helpful.  Good luck--   HHH, MD
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Avatar universal
She is probably inadvertently biting her inner cheek/lip and/or the abrasion of the teeth against the cheek/lip is cutting the skin, causing canker sores.  People who are prone to canker sores get them almost every time they have trauma to the inside of their mouths.
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