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 2026-08-20 CanadaThreadworm: evidence and source overviewInfection · reviewed 2026-08-20 AustraliaThreadwormInfection · reviewed 2026-08-20

Clinical Guidelines

BNF Treatment Summary: Helminth infections

CKS: Threadworm

NICE CKS: Management of Threadworm

NICE CKS: Threadworm

NHS England Policy guidance: conditions for which over the counter items should not be routinely prescribed in primary care