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Human rabies immunoglobulin (HRIG)

Rabies immunoglobulin

Brand names: HyperRAB, Imogam

Adult dose

Dose: 20 IU/kg infiltrated around wound (remainder IM distant from vaccine site)
Route: Wound infiltration / IM
Frequency: single (post-exposure)

Clinical pearls

  • Rabies post-exposure prophylaxis (Category III) in non-immunised — with vaccine
  • UKHSA Green Book Ch.27

Contraindications

  • IgA deficiency (severe)
  • Hypersensitivity

Side effects

  • Injection-site reactions
  • Fever
  • Anaphylaxis (rare)

Interactions

  • Live vaccines (within 3 months — reduced efficacy)

Reference: BNF; UKHSA Green Book Ch.27; https://bnf.nice.org.uk/drugs/rabies-immunoglobulin/. Verify against your local formulary and the latest BNF before prescribing.

Related

Curated clinical cross-links plus same-class fallbacks.