Oral sex can trigger a yeast infection in your mouth, vagina, penis, or anus. Although its possible that you contracted the infection from a partner, the timing may also be a coincidence. Esophageal thrush is a painful yeast infection of your throat, also known as esophageal candidiasis. If left untreated, it can spread and become a severe condition. Dear itchy mouth, to answer your questions, yes, its possible to pass a yeast infection to a partner during unprotected oral sex. An irritated or itchy mouth is both uncomfortable and difficult to scratch, but there are ways to avoid getting into this predicament. The yeast candida can cause yeast infections of the mouth, called thrush or oral thrush. An oral yeast infection, or thrush, can occur in conjunction with a throat yeast infection, according to the university of maryland medical center 1. In fact, a throat yeast infection can develop when high levels of yeast in the mouth, caused by thrush, migrate into the throat. The yeast infection in throat arises from the imbalance that occurs in the normal flora inside the mouth and the throat. This condition is characterized by the overrunning of the beneficial bacteria as a result of the overgrowth and spread of opportunistic and pathogenic organisms such as the candida fungus. If you have a yeast infection in your vagina, its fine to give someone else oral sex. But its probably a good idea to hold off on receiving oral sex until your yeast infection is cleared up. It isnt quite clear to scientists whether having oral or vaginal sex when you have a yeast infection makes your partner more likely to get a yeast infection as well. staph and strep are common causes of bacterial throat infections, but are not usually associated with oral sex. Yeast infections (not bacterial) with candida species are more common. You sound like you have a yeast (which is a type of fungus) infection. Dear sick, whether it is related or not, having a sore throat and swollen glands can be a real drag. The symptoms you describe could be a common cold or strep throat, but they could also be caused by an infection you may have received during oral sex. Its possible that your partner may have a sexually transmitted infection (sti) without knowing it, and passed it on to you through fluids. However, it is possible to get a sexually transmitted infection (sti) from oral sex in fact, some stis, such as genital herpes and gonorrhea, are more commonly spread through oral sex than other.