Why are children infested with worms?

Children become infested with worms when they ingest worm eggs through contaminated food, water, soil, or unwashed hands. Poor hygiene and sanitation increase the risk of infection.

What are the modes of intestinal worm infection in children?

Children may get infected by playing in contaminated soil, eating unwashed fruits or vegetables, drinking unsafe water, or practicing poor hand hygiene.

How can parents prevent worm infestation in children?

Parents can prevent worm infections by encouraging regular handwashing, ensuring safe drinking water, maintaining sanitation, washing food properly, using footwear, and keeping nails clean.

How often should children be dewormed?

According to the World Health Organization, children living in high-risk areas may need deworming once or twice a year. Always follow medical advice.

Are deworming medicines safe for children?

Yes, deworming medicines are generally safe and effective for children when prescribed and supervised by a qualified medical professional.

Can worm infections spread within a family?

Yes, worm infections can spread among family members due to shared living conditions and hygiene practices. Doctors may recommend treating close contacts.

When should parents consult a doctor for worm infection?

Parents should consult a doctor if symptoms persist, worsen, or if worms are visible in the child’s stool.

Worm Infestation in children : Symptoms, Causes & Prevention

Last Updated on March 28, 2026 by Bibhu Ranjan Mund, MPH

Worm Infestation in children: symptoms, reasons, prevention strategies, good hygiene methods and safe deworming methods as a parent.

Reviewed by Public Health Expert (MPH), with experience in maternal and child health programs.

Medical Disclaimer : This information is for educational purposes only and does not replace professional medical advice. For personalized guidance, consult a qualified healthcare provider.

This article is informed by field-level public health experience in maternal and child health programs aligned with WHO and UNICEF initiatives.

Affiliate Disclosure: This article contains affiliate links. If you purchase through these links, we may earn a small commission at no extra cost to you.

Table of Contents

Introduction

Infestation of the worm in children is a widespread health issue of the general population, particularly in areas with poor sanitation and hygiene measures. Intestinal worms reside within the digestive system and disrupt the absorption of nutrients and this may be harmful to the growth, immunity, and learning ability of the child in case of negligence.

Worm infections can significantly affect a child’s growth and development, especially in early years. Learn more about overall child development in our guide on Early Childhood Development in India (0–6 Years).

Global Burden of Intestinal Worm Infections

Indicator	Estimated Value
People affected by soil-transmitted helminths worldwide	~1.5 billion
Children requiring preventive treatment globally	~568 million
School-age children at risk worldwide	~870 million
Population living in endemic areas	Mainly tropical and subtropical regions

Source: WHO Soil-Transmitted Helminth Infections Report, 2023

Quick Summary

Worm infections are more common among children living in areas with poor hygiene and sanitation.
It is transmitted by contaminated soil, food, water and hands.
The symptoms may be mild itching, up to anemia and growth retardation.
Regular hygiene practices and WHO-recommended deworming significantly reduce infection risk.
A healthcare provider should always be consulted so as to be diagnosed and treated.

What Is Worm Infestation?

An infection of intestinal parasites includes worm infestation, which is an infection caused by pinworms, whipworms, hookworms, and roundworms. The parasites penetrate the body with contaminated food, water, soil or lack of proper hygiene.

Age Groups Most Affected by Worm Infections

Age Group	Reason for Higher Exposure
Preschool children	Frequent hand-to-mouth behavior
School-age children	Outdoor play and soil exposure
Adolescents	Increased environmental exposure
Adults in endemic areas	Occupational exposure

Source: WHO Preventive Chemotherapy Guidelines, 2017

Poor nutrient absorption due to worm infections can also lead to conditions like anemia. Read more in Iron Deficiency Anemia: Causes, Symptoms & Treatment.

What are the ways of spreading worm infections?

A. Common Risk Factors

Poor hand hygiene
Communal barefoot playing on polluted soil.
Unsafe drinking water
Open defecation
Inadequate handwashing of vegetables and fruits.

Environmental Factors Increasing Worm Transmission

Environmental Factor	How It Increases Risk
Open defecation	Contaminates soil with worm eggs
Unsafe drinking water	May contain parasite eggs
Poor waste disposal	Attracts contamination sources
Flooding and poor drainage	Spreads contaminated soil

Source: WHO Sanitation and Health Guidelines, 2019

Proper nutrition and hygiene practices from infancy play a key role in preventing infections. Read our guide on Precious Infancy to Toddler: A Baby’s First Two Years.

B. Behaviors That Increase Worm Infection Risk in Children

Playing outdoors barefoot
Failure to wash hands before eating.
Consumption of open food or contaminated food.
Poor hygienic amenities.
Poor nail hygiene

Comparison Table: Hygienic vs Risk Behaviors

Risk Behaviors	Safer Hygiene Practices
Playing barefoot in contaminated soil	Wearing footwear outdoors
Eating without washing hands	Handwashing with soap
Consuming uncovered street food	Eating clean, covered food
Long or dirty nails	Keeping nails trimmed and clean

Source: UNICEF Hygiene and Sanitation Education Materials, 2021

Behaviors That Increase Worm Infection Risk in Children

C. Intestinal worms in kids have several symptoms.

Mild Symptoms

Often asymptomatic
Itching of the anus occasionally.

Moderate to Severe Symptoms

Abdominal pain
Diarrhea
Weight loss
Fatigue and weakness
Anemia and lack of concentration.

Signs That May Need Medical Consultation

Observation	Recommended Action
Persistent abdominal discomfort	Consult a healthcare provider
Continuous itching or irritation	Seek medical advice
Unexplained fatigue	Medical evaluation
Frequent digestive issues	Professional consultation

Source: American Academy of Pediatrics Educational Materials, 2021

Intestinal worms in kids have several symptoms.

Types of Intestinal Worm:

Worm Type	Mode of Transmission	Common Symptoms
Roundworm	Contaminated food/soil	Abdominal pain, malnutrition
Hookworm	Skin contact with soil	Anemia, weakness
Pinworm	Hand-to-mouth	Anal itching
Whipworm	Poor sanitation	Diarrhea, growth delay

Worm Transmission Cycle

Step-by-step lifecycle:

The child who is infected spreads feces onto the soil containing eggs.
Soil Eggs hatch into larvae.
Larvae penetrate through another child through the skin or mouth.
The larvae mature into adult worms inside the intestines and the process repeats itself.

Common Worm Transmission Pathways

Source of Infection	Example Situation
Soil	Playing barefoot in contaminated areas
Food	Eating unwashed fruits
Water	Drinking untreated water
Hands	Not washing hands after toilet use

Source: WHO Soil-Transmitted Helminths Factsheet, 2023

Prevention of Worm Infection in Children

Preventive Measures: Prevention is aimed at good hygiene, sanitation and daily habits to lessen the possibility of being infected by the worms in children.

Cleaning of hands before eating and after touching the toilet.
The nails should be clean and clipped.
Drink safe, treated water
Clean the fruits and vegetables.
Go to toilets (do not defecate in the open)
Wear footwear outdoors

Along with hygiene, proper nutrition strengthens immunity and reduces infection risk. Explore Food Supplementation and Its Importance for child health.

Key Hygiene Practices for Children

Hygiene Practice	When to Follow
Handwashing with soap	Before meals and after toilet use
Washing fruits and vegetables	Before eating or cooking
Wearing footwear outdoors	During outdoor play
Keeping nails short	Weekly hygiene routine

Source: UNICEF WASH (Water, Sanitation and Hygiene) Program Guide, 2022

Prevention of Worm Infection in Children

Nutritional Habits That Support General Child Health

Food Category	Examples
Fruits	Banana, papaya, guava
Vegetables	Spinach, carrot, pumpkin
Protein sources	Pulses, eggs, fish
Whole grains	Rice, wheat, millets

Source: FAO Child Nutrition Guidelines, 2019

A balanced diet rich in essential nutrients helps prevent both infections and deficiencies. Read more in Iron Deficiency Anemia: Causes & Prevention.

The advantages of Periodic Deworming

Direct Benefits

Reduces anemia
Increase the absorption of nutrients.

Indirect Benefits

Strengthens immunity
Enhances attendance in schools and concentration.
Lessens the rates of infection within the community.

Preventive healthcare measures like vaccination and deworming together help build strong immunity. Learn more in Comprehensive Vaccination Schedule for Children (India Guide).

WHO Recommended Preventive Deworming Strategy

Target Group	General Preventive Approach
Preschool children	Periodic deworming in endemic areas
School-age children	School-based deworming programs
Communities with high prevalence	Community-wide preventive treatment

Source: WHO Deworming Guidelines, 2017

Worm Infestation Treatment.

Antiparasitic medications are prescribed by doctors based on the type of worm infection. When combined with the right place of hygiene and diet, treatment is effective.

Public Health Programs Addressing Worm Infections

Program	Country/Organization	Objective
National Deworming Day	Government of India	Reduce worm infections in children
WASH Program	UNICEF	Improve sanitation and hygiene
Soil-Transmitted Helminth Control Program	WHO	Prevent and control worm infections globally

Source: Ministry of Health & Family Welfare (India) & WHO Reports, 2022

Early prevention through hygiene, nutrition, and awareness is key to healthy childhood development. For a complete overview, read Early Childhood Development in India (0–6 Years).

Conclusion

Worm infections can be managed with proper treatment at an early age to avoid health complications in the long-term of children. Hygiene, safe food and water, and deworming as recommended are also an effective way of reducing the risk of infection.

This article reflects practical insights gained from community-based maternal and child health programs

FAQs:

Q1. Why then are children infested with worms?

Infection by worms is caused by children who consume worm eggs by eating contaminated food, water, soil, or washing their hands. Uncleanliness and hygiene promote the risk.

Q2. What are the modes of infection of the children with the intestinal worms?

Infection may occur in kids when they play in contaminated earth, consume untested fruits or vegetables, consume impure water, or move their hands inadequately.

Q3. What are some ways of parents avoiding the infestation of worms in children?

Frequent washing of hands, consumption of safe water, sanitation, proper washing of food items, footwearing, and nail hygiene will prevent infections.

Q4. What is the frequency of deworming of children?

WHO recommends deworming of children living in high-risk areas once or twice in a year. Never ignore the instructions of a medical practitioner.

Q5. Are deworming drugs safe among the children?

Deworming medicines can be safe and effective when prescribed by a medical professional when used by children.

Q6. Does infection of the worms grow within a family?

Yes, family members share the same environment and practice hygiene which means that worm infestation can propagate. Physicians can recommend the treatment of close contacts.

Q7. In which instances do parents need a doctor with the worm infection?

When the symptoms do not disappear and improve, or when the child has worms in his or her stool, the parents are advised to seek the advice of a doctor.

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Bibhu Ranjan Mund, MPH

About the Author – “Bibhu Ranjan Mund”, Master in Public Health (MPH) from IIHMR University, Jaipur (Rajasthan- IHMR-U/12/2021 -23/0015) has experience of 18 years in Public Health activities like maternal health, child health, adolescent health, nutrition and community wellness programs. Through “Healthy Home”, he shares evidence-based health and wellness guidance designed to support families in making informed lifestyle decisions. This content is for educational purposes only and does not replace professional medical advice. Connect LinkedIn – https://www.linkedin.com/in/bibhu-ranjan-mund-b72171358/

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