 [ Symptoms ] dr moser can i get c diff from having oral sex and my husband has rotten teeth  my doctors can figure it out i havent been on antibotics or been in a hospital or nursing home i am an avid hand washer i did have a cat scan and it showed inflammation and uspecified colitis am awaiting a colonoscopy at this time until swelling and finished with antibiotics any info especially if having the oral sex and my husband has rotten teeth in his mouth could have contributed would be greatly appreciated [ Disease ] not very likely assuming the condoms remain intact and do not break and that you wear them for the entire time of sexual activity perhaps your girlfriend should consider a second form of birth control like the pill just in case