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Cigarettes may raise risk of drug relapse

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Continuing or initiating cigarette use after stopping the use of illicit drugs is linked to an increased likelihood of substance use relapse, research shows.

Past studies have shown that as many as three-quarters of adults with substance use disorders also have a history of cigarette smoking.

For the study in the Journal of Clinical Psychiatry, researchers, including Sandro Galea, dean of the School of Public Health of Boston University, examined the association between cigarette smoking and relapse rates among adults who had stopped illicit substance use.

They studied data from 34,653 adults enrolled in the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC) who were assessed at two time points, three years apart, on substance use, substance use disorders, and related physical and mental disorders.

Daily smokers and non-daily smokers had about twice the odds of relapsing to drug use at the end of the three-year period compared to nonsmokers. Those odds held even after controlling for demographics and other factors, including mood, anxiety, alcohol use disorders, and nicotine dependence.

Specifically, among those with remitted substance use disorders who were smokers at the beginning of the study, more than 1 in 10 (11 percent) who continued smoking three years later relapsed to illicit substance use three years later, while only 8 percent of those who had quit smoking and 6.5 percent of never-smokers relapsed to substance use.

Among those who were nonsmokers, smoking three years later was associated with significantly greater odds of substance-use disorder relapse compared to those who remained nonsmokers.

“To our knowledge, no prior study has shown that cigarette smoking—both continued smoking and new-onset smoking—is associated with an increase in the likelihood of relapse to SUD among adults with past SUDs,” the authors say.

If further research confirms a relationship between smoking and relapse, then substance-use treatment programs should consider incorporating smoking prevention efforts into their services, the authors say. Only a minority of treatment centers report that they have formal smoking-cessation programs.

There are several possible reasons why smoking may increase the likelihood of relapse, the authors write, including that cigarettes may become a “cue” for use of illicit drugs, and that nicotine may cause increased cravings for stimulants and opiates.

While there have been some concerns that quitting smoking makes it more difficult to quit or stay off illicit drugs, cigarette abstinence “does not appear to lead to a compensatory increase in other drug use, and may even improve drug abstinence.”

Cigarette smoking is just one of many potential factors associated with SUD relapse, and more data are needed to determine the clinical significance of the association.

But, they say, “The treatment of SUDs is extremely challenging, and even if not smoking is just modestly associated with improvements in sustained abstinence, this association may be useful in treatment programs.”


This text is published here under a Creative Commons License.
Author: Lisa Chedekel-Boston University
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One thought on “Cigarettes may raise risk of drug relapse”

  1. Ferdinand says:

    Maybe this study adds numbers and statistics but I’m pretty sure nobody doubts tobaco is a drug, and not only helps in relapse but it is a relapse itself.
    And alcohol also, of course.

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