Enterobiasis

Causative agent—

Pinworms (Enterobius vermicularis).

These are the most common helminth. They are most common in temperate regions.

Transmission—

Pinworm eggs enter the body by breathing affected air through the nose or mouth or by touching the mouth with contaminated fingers. Eggs can also enter through the vagina or anus. At night, worms migrate through the anus, then deposit their eggs and die on the perianal skin. Microscopic eggs infest clothing, bedding, and other surfaces, often spreading to the entire family

Symptoms And Signs—

• Anal pruritus 
• Insomnia
• Restlessness
• Vulvovaginitis
• Loss of appetite
• Intractable anal itching
• Pale skin

Investigations–

Examining the perianal skin. The stool is usually negative for ova and worms.

Treatment–

• De-worm Medicines

The entire family is treated.

• Self-care

1. Wash infested clothing and bedding
2. Trim finger nails 
3. Perianal area should be kept clean.