Clinical expertise

Dr Prathap Pillai specialises in airway allergies including pollen, animals and dust.

He regularly treats patients with conditions such as:

  • airway allergies (allergic rhinitis)
  • urticaria and angioedema
  • food allergies
  • drug allergies

He offers treatments such as:

  • allergy skin tests and blood tests
  • allergy treatment prescription
  • allergen immunotherapy
  • allergen challenge


Dr Prathap Pillai is a consultant allergist at Guy’s Hospital. He has a strong clinical background and over 15 years’ experience in the management of allergic disorders at secondary and tertiary levels.

He underwent his specialist allergy training at Guy’s and St Thomas’ NHS Foundation Trust. During the same period, he also completed a research fellowship programme and a clinical trial investigating the effects of anti-lgE therapy (Omalizumab) in non-atopic asthma, for which King’s College London awarded him a PhD.


Dr Pathap Pillai has sat in the RCP Expert Advisory Group on clinical commissioning as a BSACI representative in the past. He currently sits on the BSACI Standard of Care Committee and the NSAID Allergy guideline development group.

He is the training programme director (TPD) for Allergy at the London Deanery and sits on the joint speciality advisory committee (SAC) for Allergy and Immunology.