Helminths

Helminths are parasitic worms that cause a variety of diseases in both humans and animals. They are a major cause of morbidity and mortality in the developing world.

Classification

Helminths are classified into three major groups:

• Nematodes (roundworms)
• Cestodes (tapeworms)
• Trematodes (flukes)

Diseases caused by Helminths

Helminths can cause a variety of diseases, depending on the species involved. These include:

• Ascariasis
• Trichuriasis
• Hookworm disease
• Enterobiasis
• Strongyloidiasis
• Taeniasis
• Cysticercosis
• Echinococcosis
• Schistosomiasis
• Fascioliasis
• Clonorchiasis
• Opisthorchiasis

Diagnosis

Diagnosis of helminth infections is usually made by microscopic identification of the eggs or larvae in stool samples. In some cases, serological tests may be used.

Treatment

Treatment of helminth infections depends on the species involved, but usually involves the use of anthelmintic drugs.

Prevention

Prevention of helminth infections involves improved sanitation and hygiene, as well as the use of preventive chemotherapy in high-risk populations.

See also

• Parasitology
• Tropical medicine

Helminths Resources
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