Adult

Ivermectin

General Information

Restricted Formulary antimicrobial:  For details see OUH netFormulary

For all information regarding interactions, contraception, pregnancy and breastfeeding and additional information, see BNF and Summary of Product Characteristics (SPC).

Standard dose

  Oral dose
Standard Dose

150-200micrograms/kg single dose*

Micro/ID may recommend a repeat dose at a certain time point for specific infections.

* For gastrointestinal strongyloidiasis BNF has weight based dosing:

Weight Oral dose
36–50 kg 9 mg single dose
51–65 kg 12 mg single dose
66–79 kg 15 mg single dose
80 kg and above 18 mg single dose

Renal and hepatic impairment

Renal impairment

No dosage adjustment required. Limited information available.

Hepatic impairment

No dosage adjustment required. Limited information available.

References

  1. Exeltis UK Ltd. Ivermectin 3mg tablets summary of product characteristics. Electronic medicines compendium. Last updated: 20/03/26. Available at: www.medicines.org.uk Accessed 10/8/26.
  2. Sanford Guide [online] Ivermectin. Last updated 30/6/26. Accessed via https://webedition.sanfordguide.com Accessed 10/8/26.
  3. ‌British National Formulary. Ivermectin. BNF online, accessed via www.medicinescomplete.com Accessed 10/8/26.

Editorial Information

Last reviewed: 11 Aug 2026

Next review date: 10 Aug 2029

Author(s): AMST.