Whipworm infection

Whipworm infection is an infection of the large intestine with a type of roundworm.

Causes of Whipworm infection

Whipworm infection is caused by the roundworm, Trichuris trichiura. It is a common infection that mainly affects children.

Children may become infected if they swallow soil contaminated with whipworm eggs. When the eggs hatch inside the body, the whipworm sticks inside the wall of the large intestine.

Whipworm is found throughout the world, especially in countries with warm, humid climates. Some outbreaks have been traced to contaminated vegetables (believed to be due to soil contamination).

Whipworm infection Symptoms

Symptoms range from mild to severe. Sometimes, there are no symptoms. A severe infection may cause:

Tests and Exams

A stool ova and parasites exam reveals the presence of whipworm eggs.

Treatment of Whipworm infection

Mebendazole taken by mouth for 3 days is commonly prescribed when the infection causes symptoms. Albendazole or

Ivermectin may sometimes be used.

Prognosis (Outlook)

Full recovery is expected with treatment.

When to Contact a Health Professional

Seek medical attention if you or your child develop bloody diarrhea. In addition to whipworm, there are many other infections and illnesses that can cause similar symptoms.

Prevention of Whipworm infection

Improved facilities for feces disposal have decreased the incidence of whipworm.

Always wash your hands before handling food. Thoroughly washing food may also help prevent this condition.

References

Maguire JH. Intestinal nematodes (roundworms). In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2009:chap 287.

Diemert DJ. Intestinal nematode infections. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 365.

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Review Date: 10/6/2012
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
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