We aim to validate the English (UK) translation of the DrHy-Q, and test its reliability in the UK population. This will facilitate for the subsequent economical evaluation of penicillin allergy delabelling.

This research project is part of an MSc in Allergy undertaken by the principal applicant, Dr Patricia Romero, supervised through Imperial College London.

Target population are patients with a drug allergy diagnosed by an Allergist prospectively at the Drug Allergy Clinic.

Is the English version of the Drug Hypersensitivity Quality of Life Questionnaire suitable to be used in the UK population?

Inclusion Criteria:

• • Age >18 years

  • Ability to read English and consent.
  • Confirmed diagnosis of a drug hypersensitivity reaction.
  • Written informed consent

Exclusion Criteria:

• • < 18y/o.

  • Not able to read English. No mental capacity to consent or unwilling to consent.
  • Unconfirmed diagnosis of a drug hypersensitivity reaction.

Our target population are patients with diagnosed drug allergy.