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Correspondence
Subacute bronchial toxicity induced by an electronic cigarette: take home message
  1. Riccardo Polosa1,2,
  2. Davide Campagna1,2,
  3. Donald Tashkin3
  1. 1Teaching Hospital ‘Policlinico-Vittorio Emanuele’, Centro per la Prevenzione e Cura del Tabagismo (CPCT), Catania, Italy
  2. 2Teaching Hospital ‘Policlinico-Vittorio Emanuele’, Institute of Internal and Emergency Medicine, Catania, Italy
  3. 3UCLA University of California, David Geffen School of Medicine, Los Angeles, California, USA
  1. Correspondence to Professor Riccardo Polosa, AOU Policlinico-V. Emanuele, Via S. Sofia, 78, Catania 95123, Italy; polosa{at}unict.it

https://doi.org/10.1136/thoraxjnl-2014-205230

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    The case-based discussion of an adult smoker with respiratory symptoms and worsened pulmonary function shortly after switching to an electronic cigarette (e-cig)1 can be interpreted differently.

    Ironically, some people experience transient (days/weeks) worsening of respiratory symptoms (cough, wheezing, chest tightness) after quitting.2 Cough and breathlessness have been reported when switching to e-cigs, but progressive improvement in respiratory symptoms is usually observed with regular use of these products.3 …

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    Footnotes

    • Contributors RP had the idea of sketching a response article, but all authors contributed in equal parts to the reporting and writing up. All authors have read and approved the final manuscript. RP is responsible for the overall content as guarantor.

    • Competing interests RP has received lecture fees from Pfizer and GSK, a research grant from Pfizer, and he served as a consultant for Pfizer, Global Health Alliance for treatment of tobacco dependence and Arbi Group Srl (the Italian distributor for Categoria electronic cigarettes).

    • Provenance and peer review Not commissioned; internally peer reviewed.

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