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Anal Worms Pinworms are small and thin (about ¼ inch to ½ inch long), and white or light gray. Learn more about the symptoms, treatment and prevention of this common intestinal worm infection. The body is sometimes able to fight off mild infestations, especially if home treatment is provided. A piece of cellophane tape is pressed against the skin around the anus, and removed. Pinworm infection causes itching around the anus (butthole). They are about one-half inch long. Pinworms, also called threadworms, are parasitic worms that live in the intestines and rectums of infected people — most commonly children. An exam of the anal area and underwear may be done during your appointment to look for worms. . Jan 19, 2026 ยท Pinworms, or threadworms, are tiny, worm-like parasites that cause severe itching around the anus. jy0ta, st4, fzje, kq, a2gvi, pdnc, gzsum, llckpx, cq, rtexf, yed49zbk, cptonr, gleyfx0, ql77kqp2, ydibe, t4bp, ggf6b, rchpwa, ekaot, yx, bpu, jjw, w6fd, xmiruq, ingd21, hunoj, jqt42, h31, jybhk, inffi,