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Threadworms (Pinworms)

Treatment of Enterobius vermicularis.

Reviewed by Dr Kola Tytler MBBS CertHE MBA MSt MRCGP (General Practitioner)
Last reviewed: 21 October 2025
Infectious DiseasesGeneral Practice
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regional clinical guidance

Threadworms (Pinworms): guidance by region

Recommendations, thresholds and pathways can differ. Open the page written for the jurisdiction you need.

United StatesPinworm infection diagnosis and household controlInfection · reviewed 2026-08-20CanadaThreadworm: evidence and source overviewInfection · reviewed 2026-08-20AustraliaThreadwormInfection · reviewed 2026-08-20

Clinical Guidelines

BNF Treatment Summary: Helminth infections
National
CKS: Threadworm
National
NICE CKS: Management of Threadworm
National
NICE CKS: Threadworm
National
NHS England Policy guidance: conditions for which over the counter items should not be routinely prescribed in primary care
Local
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UK clinical guidanceThreadworm