Respiratory medicine (lung)
Spoken Languages


Dr Samatha Sonnappa studied medicine in India, qualifying in 1990. She specialised in paediatrics and did further training at various hospitals in Bangalore. She moved to the UK in 1998 and worked in several hospitals in London. In 2001, she started work as a clinical fellow in paediatric respiratory medicine at Great Ormond Street Hospital, undertook several research projects, acquired her PhD and became a consultant during her time there. She joined the Trust in February 2018 as a consultant in paediatric respiratory medicine and clinical lead for the difficult asthma programme.

Areas of expertise

Dr Sonnappa’s areas of expertise include:

  • Asthma
  • Wheezing in infants and children
  • Exercise induced laryngeal obstruction
  • Chronic cough
  • Congenital lung abnormalities
  • Chest infections
  • Paediatric flexible bronchoscopy

Research interests

Dr Sonnappa’s research focuses on respiratory conditions that affect children, including:

  • Preschool wheeze
  • Asthma and exercise induced breathlessness
  • Chest infections


Dr Sonnappa has been featured in many publications showcasing her expertise in paediatric respiratory medicine. Her work has been featured in publications around the world, including the European Respiratory Journal, British Medical Journal and the American Journal of Respiratory and Critical Care Medicine.

Private patient referral 

If you would like to make an appointment with this specialist for private care, contact the RB&HH Specialist care team