Methylphenidate Does Not Cause Mania When Taken with a Mood Stabilizer

September 8, 2017 · Posted in Comorbidities, Current Treatments 

ADHDMethylphenidate is an effective treatment for attention-deficit hyperactivity disorder (ADHD). Ritalin may be the most commonly recognized trade name for methylphenidate, but it is also sold under the names Concerta, Daytrana, Methylin, and Aptensio. A 2016 article in the American Journal of Psychiatry reports that methylphenidate can safely be taken by people with bipolar disorder and comorbid ADHD as long as it is paired with mood-stabilizing treatment.

The study was based on data from a Swedish national registry. Researchers led by Alexander Viktorin identified 2,307 adults with bipolar disorder who began taking methylphenidate between 2006 and 2014. Of these, 1,103 were taking mood stabilizers including antipsychotic medications, lithium, or valproate, while 718 were not taking any mood stabilizing medications.

Among those who began taking methylphenidate without mood stabilizers, manic episodes increased over the next six months. In contrast, patients taking mood stabilizers had their risk of mania decrease after beginning treatment with methylphenidate.

Viktorin and colleagues suggest that 20% of patients with bipolar disorder may also have ADHD, so it is not surprising that 8% of patients with bipolar disorder in Sweden receive a methylphenidate prescription.

Mood-stabilizing drugs can worsen attention and concentration, so methylphenidate treatment can be helpful if it can be done without increasing manic episodes. However, Viktorin and colleagues suggest that due to the risk of increasing mania, anyone given a prescription for methylphenidate monotherapy should be carefully screened to rule out bipolar disorder.

The researchers confirmed that taking methylphenidate for ADHD while taking a mood stabilizer for bipolar disorder is a safe combination.

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