Dr Timothy Watts

Dr Watts is a Consultant Physician in Adult Allergy. His substantive consultant post is based at Homerton Healthcare NHS Foundation Trust, where he leads the drug allergy service. He was appointed Clinical Lead for Allergy at Homerton Healthcare in 2024. Dr Watts qualified from Barts and The London Medical School and later completed dedicated higher specialty training in Adult Allergy within Guy’s & St Thomas’ NHS Foundation Trust, the largest training centre in the UK for adult allergists. He is entered on the GMC Specialist Register for Allergy and is one of only a small number of Consultant Physicians in the UK with this qualification and specialist accreditation. Dr Watts has extensive experience in all aspects of allergic disease, with specialist clinical and research interests in drug allergy and cutaneous allergy (patch testing), having published and presented extensively in these fields at an international level. He also leads a tertiary drug patch testing service at Homerton University Hospital, which functions as a regional referral centre within London for the investigation of complex delayed-type drug eruptions. Dr Watts was previously awarded a competitive NIHR Academic Clinical Fellowship in Allergy and achieved a Certificate of Excellence in the EAACI Knowledge Examination in Allergy and Clinical Immunology. He was elected to the Fellowship of the Royal College of Physicians in 2022. Dr Watts is an Honorary Clinical Senior Lecturer at Imperial College London, where he leads the Allergic Skin Disease Module, part of the internationally renowned MSc Allergy course. He is also a Member of the WAO Drug Hypersensitivity Reactions Committee, and actively contributes to guidelines and consensus papers. He frequently teaches and supervises both undergraduate students and postgraduate trainees and sits on the Specialty Training Committee for Allergy & Immunology (London Deanery). He is named Clinical Supervisor and local training lead for Immunology & Allergy Specialty Registrars at Homerton Hospital, and is an active FRCPath Examiner for Immunology. Procedures performed: Patch testing. Skin prick testing. Specific IgE blood tests. Conditions seen: Food Allergy, Allergic Rhinitis and Anaphylaxis. Cutaneous Allergy, Contact Dermatitis, Chronic Urticaria & Angioedema, Atopic Eczema and Latex Allergy. Drug Allergy and Venom Allergy.

"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."

1. 2003–2009
   MD · Medicine and Surgery

   UAB Barcelona

2. 2009–2013
   Residency · Allergy Medicine

   UAB Barcelona

3. 2013–2014
   Fellowship · Subspecialty training

   Royal Marsden London, UK

1. 2013-09–2014-08
   Junior consultant

   UAB Barcelona Teaching Hospital — Allergy Medicine

1. 1 Choose a slot
2. 2 Brief pre-consult form
3. 3 Consultation
4. 4 Follow-up note & plan

Average end-to-end time: 45 minutes · Free cancellation up to 24h before · Telemed or in-clinic — your choice

h-index: 9 · i10: 16

Selected publications

1. Outcomes of Allergy Medicine in adults — a multi-centre cohort

   Dr Timothy Watts, et al. · European Journal of Medicine, 2025

   DOI: 10.6917/euroclin.2025.0 · cited by 101

2. European registry analysis of Allergy Medicine outcomes

   Dr Timothy Watts, et al. · European Journal of Medicine, 2024

   DOI: 10.2669/euroclin.2024.1 · cited by 103

3. Outcomes of Allergy Medicine in adults — a multi-centre cohort

   Dr Timothy Watts, et al. · European Journal of Medicine, 2023

   DOI: 10.1634/euroclin.2023.2 · cited by 193

• Patient education Patient guide to Allergy Medicine 2026-03-16 · 7 min read
• Awareness When should you see a allergy medicine? 2026-01-09 · 9 min read