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Mycobacterial antigen for delayed-type hypersensitivity testing

Tuberculin purified protein derivative

Adult dose

Dose: Mantoux: 0.1mL (2 TU) intradermal forearm; read induration at 48-72h
Route: Intradermal
Frequency: per indication

Clinical pearls

  • TB screening (latent infection); LTBI screen per NICE NG33
  • IGRA preferred in BCG-vaccinated individuals

Contraindications

  • Active TB
  • Severe febrile illness
  • Hypersensitivity

Side effects

  • Local reaction
  • Vesiculation
  • Hypersensitivity (rare)

Interactions

  • Live vaccines (within 4 weeks)
  • Recent corticosteroids (false negative)

Reference: BNF; UKHSA Green Book Ch.32; NICE NG33; https://bnf.nice.org.uk/drugs/tuberculin-purified-protein-derivative/. Verify against your local formulary and the latest BNF before prescribing.

Related

Curated clinical cross-links plus same-class fallbacks.