Preventing Pinworm Infestation - An Overview

Introduction:

A parasite called a roundworm causes pinworm infection. Children are most affected by this infection, which can infect the intestines. A parasite is an organism that lives in or on another organism. This infection is known as enterobiasis or oxyuriasis. It is the most common intestinal infection among humans in the United States (U.S.).

What Is Pinworm Infestation?

A pinworm is 0.25 to 0.5 inch in length, which is about 6 to 13 centimeters. It causes itching in the anal area. The itching is observed during the night. The reason is that the pinworms lay the eggs that migrate to the area at night.

When the affected person sleeps, the pinworms lay eggs in the fold of the skin around the anus. Most infected people do not exhibit any symptoms, but some experience itching in the anal region and restless sleep.

Pinworms can spread easily. The small eggs can easily spread from one child to another; hence, they are most common among school-going children. Pinworm infections can be observed among those who live in close quarters, like institutions. They may also be seen among those who have close contact with these individuals.

Pinworms are tiny, parasitic nematodes that live in the intestines and lay eggs around the anus. A pin-like tail among female pinworms is responsible for the name pinworm.

What Causes Pinworm Infestation?

Pinworm infections are very contagious and can spread easily. An infection may occur when a person swallows pinworm eggs.

• Female pinworms lay eggs around the skin folds of the anus.

• When the person touches the anus, these eggs stick to the fingernails or fingers.

• These stuck eggs are transferred to other surfaces or people when touched with their hands. People tend to swallow the eggs when they feel their hands on their mouths.

• These eggs then enter the digestive system of the infected person and hatch their eggs in the intestine.

• After hatching, the pinworms move to the anus to lay eggs.

Pinworm eggs can live for two to three weeks on fingers and fingernails and on surfaces like linens, clothing, or toilet seats. However, the eyes cannot see pinworm eggs except under a microscope.

• Children who do not wash their hands after using the bathroom may spread pinworms. When these children touch other children or surfaces, they pass on eggs.

• Eggs may enter through inhalation or swallowing eggs deposited on the food.

What Are the Symptoms of Pinworm Infections?

Pinworm infections exhibit the following symptoms.

These include:

• Itching around the anal region.

• Difficulty sleeping.

• Experience irritability.

In the case of severe infections, the symptoms include:

• Nervousness may be felt.

• Experience restlessness and loss of appetite.

• Weight loss may be observed.

• Girls may experience vaginal itching and irritation (vaginitis).

• Abdominal pain may be observed, which comes and goes.

• A rash, pain, or irritation around the anus.

• Pinworms can be seen in the anal region.

• Pinworms can be observed in stool.

Who Is at Risk of Pinworm Infection?

Pinworm infection can affect any age group or geographic region. Pinworm eggs are tiny, so it is difficult to avoid infections.

People at greater risk include:

• Children in daycare, preschool, and school.

• Children who have thumb-sucking habits and fingernail biting habits.

• Individuals living together in a closed space, like in dormitories or institutions.

• Individuals who do not wash their hands before eating food.

• If any family members or caregivers are infected with pinworm infection.

What Are the Complications of Pinworm Infection?

Pinworms do not cause any serious issues, but sometimes, due to severe infestations, they may cause female vaginitis infection.

The complications of pinworm infections include:

• Urinary tract infections.

• Loss of weight.

• Infection of a part of the abdomen (peritoneal cavity) may occur.

How to Diagnose Pinworm Infection?

The pinworm infection is diagnosed by observing the pinworms or their eggs.

The tests that can help identify eggs or pinworms include:

Tape Test: Before going to the bathroom in the morning, a slight sticky tape should be placed and then removed to observe for eggs and pinworms. If no eggs or pinworms are followed, the tape test can be repeated the next day.

How to Treat Pinworm Infection?

To treat this condition, anti-parasite medications like Albendazole are given in two doses, the dose of which is determined by the person's weight and age. The second dose is given two weeks after the first dose.

Other family members and other contact members should be given the same medicines.

How to Prevent Pinworm Infestation?

The pinworm infection may spread to others or cause them to be reinfected. To avoid reinfection or the spread of infection, the following things must be followed.

These include:

• Hand washing is essential in the prevention of pinworm infection. Children and other family members must be taught to wash their hands often. Hand washing should be done before eating, using the toilet, and scratching surfaces.

• Children and elders in the family must cut their nails as short as possible and keep them clean.

• Children should be taught not to keep their fingernails in the mouth for biting or to touch them in the mouth.

• Children must be bathed every morning.

• Children should not be allowed to bathe together or share items.

• The anus should be cleaned with water and soap after each bowel movement. Clean cloths or paper towels are required to be used.

• Changing bed linens and wearing clean clothes, including underwear, are necessary. These things should not be shaken so the eggs are not released into the air.

• Washing bed linens and clothes using hot water and detergent is necessary.

• Carpets and floors must be vacuumed. The bag used should be washed or changed after each use.

• Vegetables and fruits should be cleaned before use.

• The information regarding the infection should be given to the school or childcare center so that they can take the necessary steps to avoid infection.

Conclusion:

Pinworm infection is considered common but can spread very easily. It occurs mainly in the intestine. The infection can be treated, but preventive measures must be taken to avoid and limit it. Proper treatment can be given by treating all family members. Sometimes, it may cause serious issues. Hence, knowing about pinworm infection, its causes, symptoms, complications, and management becomes important.