OTC - threadworm

Question 1

Symptoms?

Answer 1

• perianal itching, worse at night

- white cotton thread like worms

Question 2

Referral criteria?

Answer 2

• recent travel abroad
• secondary bacterial infection; caused by scratching
• treatment failure

Question 3

OTC products?

Answer 3

• Mebendazole 2+ (ovex); 100mg single dose
• repeat dose 14 days later to prevent re-infection. Treat all family members at the same time
• c/i in pregnant women

Question 4

Advice?

Answer 4

Hygiene measures:

• cut nails short
• wash hands and scrub under nails after visiting loo and before meals
• shower in morning to wash away eggs laid at night
• regularly wash/iron bed linen
• do not share towels

Pregnant and breastfeeding women and children under 2 should follow strict hygeine measures for at least 6 weeks