Medically reviewed by Edmund Khoo, DDS Thrush, or oral candidiasis, is a fungal infection in your mouth and throat. It is caused by an overgrowth of yeast called Candida albicans. Candida is normally ...

While oral thrush can be acquired through oral sex in rare cases, it is not considered a sexually transmitted infection (STI) ...

For the uninitiated, thrush is a yeast infection which is often harmless but can be uncomfortable. It’s caused by the fungus candida, which tends to grow in warm, moist conditions and can spiral ...