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Dopaminergic transmission in the central nervous system is thought to underlie addictive behaviours, including smoking. One effective smoking cessation drug, bupropion, enhances dopaminergic transmission; conversely, antipsychotic drugs, which are dopamine antagonists, are associated with increased smoking. Thus we hypothesized that subfertile women treated with the potent dopamine agonist bromocriptine might smoke less as a consequence of their treatment. Among 4,608 subfertile women those conceiving on bromocriptine were half as likely to smoke as those taking other drugs or those conceiving without medication (p < 0.0001). This observation supports the role of dopamine in nicotine addiction, and suggests that bromocriptine-like drugs could be used effectively by pregnant women to aid cessation.

Original publication




Journal article


Addict Biol

Publication Date





325 - 328


Bromocriptine, Dopamine Agonists, Female, Humans, Infertility, Female, Pregnancy, Pregnancy Complications, Retrospective Studies, Smoking, Smoking Cessation, Tobacco Use Disorder, Treatment Outcome