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Professor George Du Toit

Professor George Du Toit


Consultant paediatric allergy

 Specialises in all paediatric allergies including food allergy prevention and treatment.


George du Toit is a professor in paediatric allergy at Guy’s and St Thomas’ and King’s College London.

He obtained his medical degree in 1993 from the University of the Witwatersrand, Johannesburg, South Africa, after this he undertook his basic and specialist registrar training.

He has been a consultant since 2003 and since his appointment he has also become a honorary senior lecturer in the department of paediatrics and child health at Cape Town University.

He is lead clinician for the children’s drug allergy and urticaria service at St Thomas’.


  • Food allergy.
  • Asthma.
  • Eczema.
  • Drug allergy.
  • Urticaria.
  • Hives.
  • Venom allergy.
  • Peanut, egg, nut, sesame and fruit allergies.
  • Fussy eating.
  • Weaning.

Procedures/ treatments

  • Food allergy prevention and treatment.
  • Skin prick tests.
  • Specific IgE blood testing.
  • Spirometry.
  • Nitric oxide.
  • Lung function tests.
  • Sublingual immunotherapy.

Special/ research interests

Professor George du Toit was senior co-investigator on two National Institutes for Health funded research studies aimed at the prevention of peanut allergy. It was titled the ‘Learning Early about Peanut (LEAP) and LEAP-On Studies’. He is also co-investigator on the LEAP-Trio Studies and is a past chairperson of the European Academy of Allergy and Clinical Immunology (EAACI) paediatric section.

He is currently undertaking trials aimed at the treatment of peanut allergy (Palisade and Artemis Trials).

Membership of professional bodies

  • Chair of EAACI Paediatric Section.
  • Consultant in Paediatric Allergy at the Evelina Children’s Hospital.
  • Reader in Paediatric Allergy, Kings College London.
  • Co-investigator on Learning Early about Allergies to Peanut studies.
  • Palisade and Artemis (Peanut Desensitisation Trials) principle investigator.
  • Executive member of Allergy Academy, King’s College London.
  • Honorary consultant, Great Ormond Street Hospital for Children.
  • Honorary senior lecturer, Department of Paediatrics and Child Health, Cape Town University.

Practice locations

Evelina London Children’s Hospital.

St Thomas’ Hospital.