Should I Be Worried About Worms or Parasites?

Learn how to spot the signs, when deworming is recommended, and how to talk to your  pediatrician about it.

If your child has been scratching their bottom more than usual, complaining about tummy aches,  or even showing changes in appetite or sleep—you might find yourself thinking the unthinkable:  Could it be worms? 

Don’t panic. Parasitic infections are more common than most parents realize—especially in  school-age children. The good news? They’re treatable, preventable, and rarely dangerous when  managed early. 

Let’s walk through the essentials in a calm, clear way—because peace of mind starts with  knowing the facts.

First of All, What Are Worms and Parasites?

Parasitic worms (also called helminths) are organisms that live in the body and feed off nutrients.  The most common ones that affect kids include:

  • Pinworms (Enterobius vermicularis): Tiny white worms that live in the intestine and lay  eggs around the anus at night. 
  • Roundworms: Found in soil or contaminated food/water—can grow several inches long. 
  • Hookworms or Whipworms: Less common but possible in areas with poor sanitation.
  • Giardia: A parasite that causes diarrhea and stomach upset (not a worm, but often  grouped similarly).

Signs Your Child Might Have Worms

Many parasitic infections cause only mild symptoms—or none at all. But here are some signs to  watch for: 

Common Symptoms: 

  • Frequent scratching of the anus, especially at night 
  • Sleep disturbances 
  • Unexplained weight loss or poor appetite 
  • Stomach pain or cramping 
  • Nausea or bloating 
  • Grinding teeth at night 
  • Visible worms in stool (in some cases) 

 With pinworms, the classic sign is intense anal itching that worsens at bedtime. 

How Do Kids Get Worms?

Worms spread through fecal-oral transmission. That means eggs from infected stool can get onto  hands, toys, food, or surfaces—then into a child’s mouth. 

This is why they’re more common in places like: 

  • Daycare or school environments 
  • Homes with shared toilets or beds 
  • Areas with poor hand hygiene or barefoot play

     

It’s not a sign of poor parenting—just a reality of childhood exploration.

Is Deworming Necessary?

In many countries, routine deworming every 6 months is recommended for school-age  children—even if they have no symptoms. This preventive approach is endorsed by  organizations like the World Health Organization (WHO), especially in high-risk regions. 

Ask your pediatrician if your child: 

  • Lives in or travels to tropical/subtropical areas
  • Plays barefoot outdoors or in soil 
  • Attends a crowded daycare or school 
  • Shows any of the symptoms listed above

     

They may recommend a safe deworming medication like mebendazole or albendazole, often  given as a single chewable dose.

How Can I Prevent It?

  • Handwashing is key – before meals, after toilet use, and after outdoor play.  Trim nails regularly – dirt and eggs can hide under long fingernails.  
  • Wash bed linens and underwear in hot water – especially if a case is confirmed.  
  • Discourage nail biting or thumb-sucking – especially in kids with known exposure.  
  • Cook food thoroughly and wash produce – to kill potential parasites in raw items.  
  • Use slippers or shoes outside – don’t let kids run barefoot in questionable soil. 

When to See a Pediatrician

Schedule a visit if: 

  • Symptoms persist or worsen 
  • You notice worms in your child’s stool or underwear 
  • There’s ongoing tummy trouble or unexplained weight loss 
  • You’re unsure whether to begin preventive deworming 

Your doctor may recommend a tape test for pinworms (done at night) or stool tests to confirm  the presence of eggs or parasites. Don’t worry—it’s common and easy to manage.

In Summary

Worms and parasites? Gross, yes. Dangerous? Rarely. 

They’re a normal part of childhood in many parts of the world, and with the right treatment and  hygiene habits, your child will bounce back in no time. 

So if your child starts scratching at night or complaining of stomach pain—don’t guess. Have a quick chat with your pediatrician. The solution might be just one chewable tablet away. 

Note:
This article was medically reviewed and written in collaboration with doctors and medical professionals committed to providing pediatric health education.

References:

https://www.who.int/news-room/fact-sheets/detail/soil-transmitted-helminth-infections https://www.cdc.gov/parasites/pinworm/index.html

JOY TY SY, MD, DPPS

General & Preventive Pediatrics

Disclaimer:
The information in this article is intended for educational purposes only and does not substitute professional medical advice, diagnosis, or treatment. Always consult your physician, pediatrician, or qualified healthcare provider with any questions you may have regarding a medical condition or health objectives.

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JOY TY SY, MD, DPPS

General and Preventive Pediatrics

Dr. Joy Sy, a board-certified pediatrician, proudly graduated from UST Faculty of Medicine and Surgery and completed her residency at Cardinal Santos Medical Center (CSMC), where she practices full-time. As a mother of two , Dr. Joy understands that pediatric care is profoundly personal. She brings empathy, genuine connection, and an unwavering dedication to every child's well-being. She stands out through her innate ability to connect with children and families, offering not just medical expertise but a reassuring presence, and a heartfelt commitment to nurturing healthier, happier futures for the next generation.

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