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Pinworm infection

Also known as Enterobiasis and Pinworm Disease

A pinworm infection or enterobiasis is a human parasitic disease and one of the most common childhood parasitic worm infections in the developed world. It is caused by infestation of the parasitic roundworm Enterobius vermicularis, commonly called the human pinworm. Infection usually occurs through the ingestion of pinworm eggs, either through contaminated hands, food, or less commonly, water. The chief symptom is itching in the anal area. The incubation time from ingestion of eggs to the first appearance of new eggs around the anus is 4 to 6 weeks. Pinworms are usually considered a nuisance rather than a serious disease. Treatment is straightforward in uncomplicated cases, however, elimination of the parasite from a family group or institution often poses significant problems—either due to an incomplete cure or reinfection. Pinworm infection has no association with any socioeconomic level, race or culture.

Source: Wikipedia

What are the symptoms?

Within all the people who go to their doctor with pinworm infection, 69% report having itching of the anus, 65% report having sharp abdominal pain, and 54% report having pain of the anus. The symptoms that are highly suggestive of pinworm infection are itching of the anus, pain of the anus, constipation, itching of skin, and neck mass, although you may still have pinworm infection without those symptoms.


What might my doctor prescribe?

Common Tests and Procedures

Patients with pinworm infection often receive rectal examination, other diagnostic procedures on skin and subcutaneous tissue, ophthalmologic and otologic diagnosis and treatment, corneal transplant, procedures on spleen, removal of ectopic pregnancy, tracheostomy; temporary and permanent and diagnostic endocrine procedures .

Common Medications

The most commonly prescribed drugs for patients with pinworm infection include mebendazole, pyrantel (evict), magaldrate, lactulose, clotrimazole topical, chlorpheniramine / phenindamine / phenylpropanolamine, mecamylamine, grepafloxacin (raxar), malathion topical, gemtuzumab (mylotarg), gadoteridol (prohance), carbinoxamine / dextromethorphan / phenylephrine and devil's claw preparation .

Who is at risk?

Groups of people at highest risk for pinworm infection include age 5-14 years age 1-4 years. On the other hand, age 30-44 years, age 75+ years, and age < 1 years almost never get pinworm infection.

Age

< 1 years
0.0x
1-4 years
4.7x
5-14 years
6.0x
15-29 years
0.7x
30-44 years
0.0x
45-59 years
0.1x
60-74 years
0.2x
75+ years
0.0x

Sex

Male
1.1x
Female
1.0x

Race/Ethnicity

Black
1.2x
Hispanic
1.3x
White
0.9x
Other
1.0x
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