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Vol 20, No 3
Table of Contents

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<p class="frontmatter-fieldnotes disclaimernew" style="margin-bottom:15px;">This work may not be copied, distributed, displayed, published, reproduced, transmitted, modified, posted, sold, licensed, or used for commercial purposes. By downloading this file, you are agreeing to the publisher’s <a href="/pages/termsofuse.aspx" target="_blank">Terms & Conditions</a>.</p> <div id="_idContainer000">
  <p class="ltrs-br-ltr-br-title"><span class="bold"><a id="_idTextAnchor000"></a>Resolution of Anxiety Symptoms in Response to Stimulants in a Patient With Attention-Deficit/Hyperactivity Disorder and Generalized Anxiety Disorder </span></p>
  <p class="ltrs-br-ltr-br-body-text"><span class="semibold">To the Editor:</span> Attention-deficit/hyperactivity disorder (ADHD) can cause significant impairment in adults and occurs as a continuation of its childhood counterpart in about a third of those with childhood ADHD.<span class="htm-cite"><a href="#ref1">1</a></span> Adult ADHD usually presents with comorbid disorder including anxiety disorders and depression, and ADHD symptoms are often mistaken for those of their comorbidities.<span class="htm-cite"><a href="#ref2">2</a></span></p>
  <p class="ltrs-br-ltr-br-body-text">&nbsp;</p>
  <p class="ltrs-br-ltr-br-body-text"><span class="semibold-ital">Case report:</span> Ms A is a 31-year-old white woman who was referred by her primary care physician to our stress, anxiety, and trauma clinic in November 2015 with the chief complaint of anxiety, as well as inattentive ADHD on the basis of psychological testing. Her anxiety started when she was surprised by a pregnancy at age 17 years, which overstressed the patient and her family. Since the pregnancy, she was always anxious and worrying “about everything.” She avoided going to the gym because she was worried people might judge her appearance. Ms A avoided going to a large city, where she felt unsafe, and would feel extremely anxious in crowded places. The patient’s mother always thought her daughter had ADHD, but Ms A was never tested during childhood. </p>
  <p class="ltrs-br-ltr-br-body-text">The patient was shaking her legs during the visit and noted restlessness, forgetfulness, poor concentration, and losing things. Ms A was diagnosed with generalized anxiety disorder (GAD) and ADHD-inattentive type (<span class="italic">DSM-5</span> criteria). We decided to use antidepressants, as they have been found effective in the treatment of anxiety and adult ADHD.<span class="htm-cite"><a href="#ref3">3</a></span> Ms A could not tolerate sertraline 12.5 mg due to drowsiness, fluoxetine 5 mg due to restlessness, citalopram 5 mg due to gastrointestinal side effects, or escitalopram 2.5 mg due to dizziness. The patient did not fill a prescription for mirtazapine because of concerns about the potential side effect of weight gain, and she was not interested in psychotherapy for anxiety. During this time, stimulants were avoided due to the fear that they would worsen her anxiety symptoms.</p>
  <p class="ltrs-br-ltr-br-body-text">After reviewing potential side effects, we agreed to try a stimulant. At this time, Ms A answered all questions on the Adult ADHD Self-Report Scale<span class="htm-cite"><a href="#ref4">4</a></span> in the gray zone (suggestive of ADHD) and scored 14 on the 7-item Generalized Anxiety Disorder questionnaire (GAD-7)<span class="htm-cite"><a href="#ref5">5</a></span> and 7 on the 9-item Patient Health Questionnaire (PHQ-9).<span class="htm-cite"><a href="#ref6">6</a></span> Methylphenidate 5 mg was prescribed and titrated to 20 mg daily.</p>
  <p class="ltrs-br-ltr-br-body-text">During the next few visits, Ms A reported “80%” improvement in her restlessness, poor concentration, and anxiety symptoms. At this time, she was not afraid to visit a nearby large city and was able to regularly go to the games, museums, and Sunday market in the city with her friends. Because of the loss of effects of the medication during the day, methylphenidate was eventually replaced with dextroamphetamine-amphetamine, and the daily dose was optimized at 25 mg. At this time, she scored 1 on the PHQ-9 and 1 on the GAD-7. A year after starting the stimulant, she was going to the gym regularly, had lost 15 lb, and received a promotion at work.</p>
  <p class="ltrs-br-ltr-br-body-text">&nbsp;</p>
  <p class="ltrs-br-ltr-br-body-text">While anxiety specialists tend to avoid prescribing stimulant medications due to potential negative effects on anxiety, use of these medications seems justified in patients who cannot tolerate antidepressants or in those whose ADHD symptoms do not respond to those medications. Interestingly, Ms A’s anxiety symptoms responded to stimulant medication. Her GAD-7 score declined from 7 to 1, and she was able to go to places that previously terrified her and that she used to avoid. Improvement in threat detection could be a possible mechanism for the observed effect. A patient with anxiety is continuously scanning for threat in the internal and external environment (eg, in the city), and inattention and inability to concentrate may worsen anxiety, as it can impair this threat detection process. Alternatively, it has been suggested that improvement in anxiety could be due to the reduced number of anxiety-provoking situations and conflicts that untreated ADHD can cause, such as impaired occupational or interpersonal function.<span class="htm-cite"><a href="#ref7">7</a></span> We recommend fully addressing the ADHD symptoms in patients with anxiety disorder, while maintaining caution with regard to the potential negative effects of stimulants on anxiety.</p>
  <p class="references_references-heading"><span class="bold">References</span></p>
  <p class="references-references-text-1-9"><a name="ref1"></a><span class="htm-ref"> 1.&#9;</span>Trollor JN. Attention deficit hyperactivity disorder in adults: conceptual and clinical issues. <span class="italic">Med J Aust</span>. 1999;171(8):421–425. <a href="https://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;list_uids=10590746&amp;dopt=Abstract"><span class="pubmed-crossref">PubMed</span></a></p>
  <p class="references-references-text-1-9"><a name="ref2"></a><span class="htm-ref"> 2.&#9;</span>Ginsberg Y, Quintero J, Anand E, et al. Underdiagnosis of attention- deficit/hyperactivity disorder in adult patients. <span class="italic">Prim Care Companion CNS Disord</span>. 2014;16(3):doi:10.4088/PCC.13r01600. <a href="https://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;list_uids=25317367&amp;dopt=Abstract"><span class="pubmed-crossref">PubMed</span></a><span class="pubmed-crossref"> </span><a href="https://doi.org/10.4088/PCC.13r01600"><span class="pubmed-crossref">CrossRef</span></a></p>
  <p class="references-references-text-1-9"><a name="ref3"></a><span class="htm-ref"> 3.&#9;</span>Young JL, Goodman DW. Adult attention-deficit/hyperactivity disorder diagnosis, management, and treatment in the <span class="italic">DSM-5</span> era. <span class="italic">Prim Care Companion CNS Disord</span>. 2016;18(6):doi:10.4088/PCC.16r02000. <a href="https://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;list_uids=27907271&amp;dopt=Abstract"><span class="pubmed-crossref">PubMed</span></a><span class="pubmed-crossref"> </span><a href="https://doi.org/10.4088/PCC.16r02000"><span class="pubmed-crossref">CrossRef</span></a></p>
  <p class="references-references-text-1-9"><a name="ref4"></a><span class="htm-ref"> 4.&#9;</span>World Health Organization. Adult ADHD Self-Report Scale-V1.1 (ASRS-V1.1) Screener from WHO Composite International Diagnostic Interview. <a href="https://www.hcp.med.harvard.edu/ncs/ftpdir/adhd/6Q_ASRS_English.pdf" target="_blank"><span class="hyperlink">https://www.hcp.med.harvard.edu/ncs/ftpdir/adhd/6Q_ASRS_English.pdf</span></a>. Accessed May 15, 2018.<span class="bold"> </span></p>
  <p class="references-references-text-1-9"><a name="ref5"></a><span class="htm-ref"> 5.&#9;</span>Spitzer RL, Kroenke K, Williams JB, et al. A brief measure for assessing generalized anxiety disorder: the GAD-7. <span class="italic">Arch Intern Med</span>. 2006;166(10):1092–1097. <a href="https://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;list_uids=16717171&amp;dopt=Abstract"><span class="pubmed-crossref">PubMed</span></a> <a href="https://doi.org/10.1001/archinte.166.10.1092"><span class="pubmed-crossref">CrossRef</span></a></p>
  <p class="references-references-text-1-9"><a name="ref6"></a><span class="htm-ref"> 6.&#9;</span>Kroenke K, Spitzer RL. The PHQ-9: a new depression and severity measure. <span class="italic">Psychiatr Ann</span>. 2002;32(9):509–517. <a href="https://doi.org/10.3928/0048-5713-20020901-06"><span class="pubmed-crossref">CrossRef</span></a></p>
  <p class="references-references-text-1-9"><a name="ref7"></a><span class="htm-ref"> 7.&#9;</span>Coughlin CG, Cohen SC, Mulqueen JM, et al. Meta-analysis: reduced risk of anxiety with psychostimulant treatment in children with attention-deficit/hyperactivity disorder. <span class="italic">J&#160;Child Adolesc Psychopharmacol</span>. 2015;25(8):611–617. <a href="https://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;list_uids=26402485&amp;dopt=Abstract"><span class="pubmed-crossref">PubMed</span></a> <a href="https://doi.org/10.1089/cap.2015.0075"><span class="pubmed-crossref">CrossRef</span></a></p>
  <p class="ltrs-br-ltr-br-author"><span class="bold">Hiba Suhaiban, MD</span><span class="superscript">a,b</span></p>
  <p class="ltrs-br-ltr-br-author"><span class="bold">Arash Javanbakht, MD</span><span class="superscript">a,b</span></p>
  <p class="ltrs-br-ltr-br-author"><a href="mailto:ajavanba@med.wayne.edu">ajavanba@med.wayne.edu</a></p>
  <p class="end-matter"><span class="superscript">a</span>Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan</p>
  <p class="end-matter"><span class="superscript">b</span>Department of Psychiatry, University of Michigan, Detroit, Michigan</p>
  <p class="end-matter"><span class="bold-italic">Potential conflicts of interest:</span> None.</p>
  <p class="end-matter"><span class="bold-italic">Funding/support: </span>None.</p>
  <p class="end-matter"><span class="bold-italic">Published online:</span> May 31, 2018.</p>
  <p class="end-matter"><span class="bold-italic">Patient consent:</span> Consent was received from the patient to publish this case report, and information has been de-identified to protect anonymity.</p>
  <p class="end-matter"><span class="italic">Prim Care Companion CNS Disord 2018;20(3):17l02165</span></p>
  <p class="front-matter-rule"><span class="bold-italic">To cite:</span> Suhaiban H, Javanbakht A. Resolution of anxiety symptoms in response to stimulants in a patient with attention-deficit/hyperactivity disorder and generalized anxiety disorder. <span class="italic">Prim Care Companion CNS Disord.</span> 2018;20(3):17l02165.</p>
  <p class="doi-line"><span class="bold-italic">To share:</span> https://doi.org/<span class="doi">10.4088/PCC.17l02165</span></p>
  <p class="end-matter"><span class="italic">© Copyright 2018 Physicians Postgraduate Press, Inc.</span></p>
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