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Car Crash Rate Falls When People With ADHD Take Meds | Treating ADHD May Help Curb Later Drinking, Drug Problems

If you have attention-deficit/hyperactivity disorder (ADHD), a new study suggests you would be wise to take your medication if you want to lower your chances of getting into a car accident. ADHD Treatment USA

The “core symptoms” of ADHD are what boosts crash risk in the first place, explained Zheng Chang.

Those include “inattention, hyperactivity and impulsivity,” said Chang. He is a postdoctoral candidate in the department of medical epidemiology and biostatistics at the Karolinska Institute in Stockholm, Sweden.

Other common ADHD-related behaviors — such as excessive risk-taking, poor control of aggression, and substance use — can make matters worse, he added.

But “male ADHD patients had a 38 percent lower risk of motor vehicle crashes when receiving ADHD medication,” Chang said. “And female patients had a 42 percent lower risk of motor vehicle crashes when medicated.”

Chang suggested the analysis, which looked at car accidents among a pool of more than 2.3 million ADHD patients, “is the first time that we could quantify the effect size in a large population sample of ADHD patients in the U.S.”

CHADD, a nonprofit organization that advocates for those with ADHD, noted that ADHD medications aren’t a cure, “but more like eyeglasses that help to improve vision.”

More than 10 million adults in the United States struggle with the disorder, according to CHADD.

Most ADHD drugs are stimulants that help patients focus. These drugs include Ritalin, Adderall, Concerta and Vyvanse.

The ADHD patients included in the study were aged 18 and older, and had been diagnosed with the disorder at some point between 2005 and 2014.

The study patients had been identified from a national database that included information on all health insurance claims during that same timeframe. Data on more than 11,000 ADHD patients who visited an emergency department following a car crash was also reviewed.

The team first determined that, overall, ADHD patients do face a “significantly higher risk” for a car crash than men and women who do not have ADHD.

Investigators then examined month-by-month prescription-filling patterns (as substantiated by insurance claims), to determine when ADHD patients were or were not taking their medication.

Nearly 84 percent of the patients had been prescribed one or more ADHD drugs. After stacking medication-taking patterns against car crash reports, the research team found that when patients took their ADHD meds, their car crash risk plummeted.

The protective association was seen across all age groups, and seemed to play out over the long term, with a significantly lower car crash risk seen as much as two years after the period in which a patient had taken his or her medication.

However, the association seen in the study did not prove a cause-and-effect relationship.

The findings were published online May 10 in the journal JAMA Psychiatry. ADHD Treatment USA

Dr. Vishal Madaan, co-author of an editorial that accompanied the study, said that while the findings are “striking,” they are also “not surprising at all.”

“Driving is a complex cognitive-motor multitasking endeavor, the skillful execution of which is often dismissed in discussions in the clinical setting,” Madaan said.

“Given deficits in executive function, individuals with ADHD may engage more in errors of omission, [such as] missing traffic signs or underestimating speed of oncoming vehicles,” he added.

Patients may also make errors “of commission, [such as] running through red lights, fiddling with the phone or radio, risky overtake maneuvers, or switching lanes haphazardly,” said Madaan. He is an associate professor of child and family psychiatry in the University of Virginia’s department of psychiatry and neurobehavioral sciences.

Medications often help, but “it is not uncommon for people not to be taking their medications,” Madaan noted.

“Some of the medications can potentially have side effects, including decrease in appetite, worsening anxiety and others,” he explained. “So if a patient feels that a particular medication is not a good fit, they should look at alternative medication options in the same or different class, or even discuss non-medication options with their physician.”

Treating ADHD May Help Curb Future Problems | ADHD Treatment USA

Teens and adults with attention-deficit/hyperactivity disorder may have a lower risk of developing an alcohol or drug problem if they take medications to treat their ADHD, a new study suggests.

“This study contributes to growing evidence that ADHD medication is linked to lower risk for many types of harmful behavior, including substance abuse,” said study leader Patrick Quinn.

“The results also highlight the importance of careful diagnosis and compliance with treatment,” he added. Quinn is a postdoctoral researcher at Indiana University’s department of psychological and brain sciences.

For the study, the researchers looked at data from 3 million Americans with ADHD. The risk of alcohol or drug abuse was 35 percent lower among men and 31 percent lower among women who took ADHD medications, such as Adderall, Ritalin and Strattera, than among those who did not take the medications.

Some drugs used to treat ADHD are stimulants, and some people have expressed concern that these medications themselves could be addictive.

“While concerns about prescribing medications to treat ADHD that have the potential for abuse are understandable, this study provides further evidence that the use of these medications is not associated with increased risk of substance use problems in adolescence or adulthood,” Quinn said in a university news release.

“Rather, this and other recent studies find that the risk of such problems is lower during and after periods of use of these medications,” he noted.

The study authors pointed out that there are a lot of factors that influence whether or not someone takes or abuses drugs or alcohol, and that this study can’t prove that ADHD medication use caused lower rates of substance abuse in these patients. But the study did find an association between those factors.

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