 [ Symptoms ] oral sex with my husband my mouth react as if i was allergic like latex palat tongue lips swell condom or diabetes  this has happened a few times and he swears he is not cheating but it has reminded of me something strong my mouth reacts very fast could he have some type of condition wproteins diabetes or am i being fooled by a cheater who uses condoms i need the truth i know he has lied to my face and i am having a hard time believing this is not caused by a condoms [ Disease ] hi try this get a pack of condoms and suck on one if you get the same reaction then you will know what to do i do not think i have to spell it out one last thing is this before he ejaculates or after if its before then up top if its after it could be his sperm as he been put on any meds since this started or it could be that his sperm has gone acidic if that is the case then he needs to get looked at do hope this helps good luck