health

Physicians may use fecal samples, sometimes taken a day or two apart, to
diagnose intestinal parasitic diseases. The feces are examined for evidence
of parasites, such as eggs, larvae, or adult forms. Blood samples may also
be taken to check for antibodies* made by the body against specific parasites.
Physicians may also use an endoscope* that allows them to view
the internal structures of the gastrointestinal tract and to examine the
intestines for infection. To detect pinworms, physicians often request that
patients take a “tape test”. For this test, patients briefly apply a piece of
transparent tape to the skin around the anus in the early morning, the
time right after the worm has laid its eggs. The tape is removed and examined
at the doctor’s office for any eggs that might be sticking to it.