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Review

Management of emergent psychiatric symptoms during smoking cessation

Pages 519-525 | Accepted 12 Dec 2008, Published online: 27 Jan 2009
 

ABSTRACT

Background: Tobacco smoking is a major risk factor for cardiovascular disease, respiratory disease and cancer and, for current smokers, smoking cessation is one of the most effective therapeutic interventions for reducing the risk of all-cause morbidity and mortality. However, smoking cessation causes nicotine withdrawal syndrome, a condition with symptoms that overlap those of major depression and anxiety disorders.

Scope: The objective of this review was to examine the evidence that smoking cessation may be associated with new onset of psychiatric illness, particularly in individuals with no history of psychiatric disease, and to provide recommendations for the management of emergent psychiatric symptoms in smokers attempting cessation. Relevant articles were obtained from a MEDLINE search (articles indexed up to, and including, October 2008, with no historical date limit), and citation review of selected primary and review articles.

Findings: There is evidence that smoking cessation can result in new onset of major depressive disorder, even in individuals with no history of depression. It has also been suggested that nicotine may be used as a form of self-medication for depression, and that smoking cessation can reveal a previously undiagnosed condition. There is little evidence of an association between smoking cessation and increased risk for other types of psychiatric illness. The management of emergent psychiatric symptoms in smokers attempting abstinence is discussed.

Conclusion: The overall health benefits of quitting smoking undoubtedly outweigh any potential side-effects associated with nicotine withdrawal. However, a well-managed quit attempt must plan for the emergence of nicotine withdrawal, monitor for symptoms of depression and psychiatric disease, and manage these conditions appropriately should they present.

Acknowledgements

Declaration of interest: H.-J.A. has received sponsorship to attend scientific meetings, speaker honoraria, and consultancy fees from GlaxoSmithKline, Pierre-Fabre Sante, sanofi-aventis, McNeil Sante, Pfizer, Prempharm, Lundbeck, and Merck-Lipha. Editorial support was provided by Giles Brooke, PhD, at Envision Pharma Ltd, and was funded by Pfizer Ltd.

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