What type of infections are caused by Enterobius vermicularis?

Enterobius vermicularis, commonly known as the pinworm, primarily causes infections that are associated with the intestinal tract, leading to enterobiasis. The most common manifestation of this infection is pruritus ani, which can sometimes result in secondary vulvovaginitis, particularly in young girls. The scratching associated with the intense itching can lead to the spread of the infection from the perianal region to the vaginal area, thereby causing vulvovaginitis.

While Enterobius vermicularis does not directly cause gastric issues like gastroenteritis or respiratory conditions, it is notable that some patients may experience gastrointestinal symptoms such as abdominal pain or discomfort. However, these gastrointestinal symptoms are not the primary types of infections caused by this organism. The direct association with vulvovaginitis, especially in females, highlights the importance of understanding how pinworm infections can extend their impact beyond the intestinal tract into other anatomical regions.