Threadworms - Antibiotic Prescribing

Comments from Expert Advisory Group


Drug Dose Duration +/- Notes

Mebendazole in all ages >6months






Repeat after 2-4 weeks.

Unlicensed in <2yr olds but some evidence, in limited circumstances, to support this dose from 6 months age.

Patient Information

Safe Prescribing (visit the safe prescribing page)

  • Doses are oral and for adults unless otherwise stated
  • Safety in Pregnancy and Lactation
  • Visit the Health Products Regulatory Authority (HPRA) website for detailed drug information (summary of product characteristics and patient information leaflets). Dosing details, contraindications and drug interactions can also be found in the Irish Medicines Formulary (IMF) or other reference sources such as British National Formulary (BNF) / BNF for children (BNFC).

Reviewed July 2023

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