Attention Deficit Hyperactivity Disorder (ADHD) often coexists with other mood disorders such as anxiety or depression. It is necessary to treat both the anxiety and ADHD existing in the same patient, as treating only the ADHD may exacerbate anxiety symptoms, and treating only the anxiety may not help ADHD symptoms.
If you are experiencing serious medical symptoms, seek emergency treatment immediately.
The most commonly prescribed medications for ADHD include stimulants such as methylphenidate (Ritalin) and dextroamphetamine and amphetamine (Adderall). While these medications are most effective for ADHD, they can have side effects of elevated heart rate, insomnia, headache, stomachache, decrease in appetite, and nervousness that would exacerbate symptoms of anxiety. When treating patients with both ADHD and anxiety, these drugs are not used, or used in conjunction with an antidepressant to lessen the anxiety provoking symptoms.
Diseases That Cause Anxiety
Tricyclic antidepressants including desipramine (Norpramin), imipramine (Tofranil), and amitriptyline (Elavil) are commonly used to treat ADHD that is comorbid with anxiety. Tricyclic antidepressants work by inhibiting the reuptake of the neurotransmitters serotonin or norepinephrine back into the brain cells. This prolongs the time the neurotransmitters are signaling, resetting the balance in the ADHD brain. Tricyclics work for patients with both anxiety and ADHD because they do not cause symptoms of nervousness that stimulants do, and they treat the anxiety symptoms.
Another antidepressant, bupropion hydrochloride (Wellbutrin), is often prescribed for those with both anxiety and ADHD 2. Wellbutrin inhibits the reuptake of the neurotransmitter dopamine back into the brain cells, but may have other mechanisms of action.
Antidepressants are usually used in conjunction with stimulants to treat comorbid ADHD and anxiety, although some patients can be treated with antidepressants alone.
- Tricyclic antidepressants including desipramine (Norpramin), imipramine (Tofranil), and amitriptyline (Elavil) are commonly used to treat ADHD that is comorbid with anxiety.
Other Classes of Medications
Clonidine, originally used to treat high blood pressure in adults, and guanfacine, are two adrenergic agonists used to treat ADHD in patients unresponsive to stimulants, or those with anxiety present. These drugs are used less often because of their sedation effects.
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- The Merck Manual
- "Taking Charge of ADHD: the Complete, Authoritative Guide for Parents," Russell A. Barkley; 2000
- "Molecular Neuropharmacology: A Foundation for Clinical Neuroscience," Eric Nestler, Steven Hyman, and Robert Malenka; 2001
Dr. Michele Noonan is author of "Train Your Brain To Get Thin," has published in journals including the "Journal of Neuroscience" and appears as a science expert on TV and radio shows. Noonan is a former Caltech scientist with a Ph.D. in neuroscience from University of Texas Southwestern Medical Center and a psychology B.A. from Boston College.