<sectionid="cxTargetSection0"data-mw-cx-source="undefined"><pid="mwAw"><spandata-segmentid="4"class="cx-segment"><bid="mwBA">Phantosmia</b> (phantom smell), also called an <bid="mwBQ">olfactory hallucination</b> or a <bid="mwBg">phantom odor</b><suptypeof="mw:Extension/ref"data-mw="{"name":"ref","attrs":{"name":"That stinks"},"body":{"id":"mw-reference-text-cite_note-That_stinks-1","html":"<cite about=\"#mwt7\" class=\"citation news\" data-mw=\"{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;cite news &quot;,&quot;href&quot;:&quot;./Template:Cite_news&quot;},&quot;params&quot;:{&quot;title&quot;:{&quot;wt&quot;:&quot;That stinks! 1 in 15 Americans smell odors that aren’t there&quot;},&quot;url&quot;:{&quot;wt&quot;:&quot;https://www.nih.gov/news-events/news-releases/stinks-1-15-americans-smell-odors-arent-there&quot;},&quot;accessdate&quot;:{&quot;wt&quot;:&quot;23 August 2018&quot;},&quot;work&quot;:{&quot;wt&quot;:&quot;National Institutes of Health (NIH)&quot;},&quot;agency&quot;:{&quot;wt&quot;:&quot;National Institute on Deafness and Other Communication Disorders&quot;},&quot;publisher&quot;:{&quot;wt&quot;:&quot;National Institute on Deafness and Other Communication Disorders&quot;},&quot;date&quot;:{&quot;wt&quot;:&quot;August 16, 2018&quot;},&quot;language&quot;:{&quot;wt&quot;:&quot;en-US&quot;}},&quot;i&quot;:0}}]}\" id=\"mwtA\" typeof=\"mw:Transclusion\" data-ve-no-generated-contents=\"true\"><a class=\"external text\" href=\"https://www.nih.gov/news-events/news-releases/stinks-1-15-americans-smell-odors-arent-there\" id=\"mwtQ\" rel=\"mw:ExtLink\">\"That stinks! 1 in 15 Americans smell odors that aren't there\"</a>. <i id=\"mwtg\">National Institutes of Health (NIH)</i>. National Institute on Deafness and Other Communication Disorders. National Institute on Deafness and Other Communication Disorders. August 16, 2018<span class=\"reference-accessdate\" id=\"mwtw\">. Retrieved <span class=\"nowrap\" id=\"mwuA\">23 August</span> 2018</span>.</cite><span about=\"#mwt7\" class=\"Z3988\" id=\"mwuQ\" title=\"ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=National+Institutes+of+Health+%28NIH%29&amp;rft.atitle=That+stinks%21+1+in+15+Americans+smell+odors+that+aren%E2%80%99t+there&amp;rft.date=2018-08-16&amp;rft_id=https%3A%2F%2Fwww.nih.gov%2Fnews-events%2Fnews-releases%2Fstinks-1-15-americans-smell-odors-arent-there&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3APhantosmia\" data-ve-ignore=\"true\"><span id=\"mwug\" style=\"display:none;\"><span id=\"mwuw\" typeof=\"mw:Entity\">&nbsp;</span></span></span>"}}"class="mw-ref"about="#mwt94"id="cite_ref-That_stinks_1-0"rel="dc:references"><ahref="./Phantosmia#cite_note-That_stinks-1"style="counter-reset: mw-Ref 1;"><spanclass="mw-reflink-text">[1]</span></a></sup> is smelling an odor that is not actually there. </span><spandata-segmentid="5"class="cx-segment">It can occur in one nostril or both.<suptypeof="mw:Extension/ref"data-mw="{"name":"ref","attrs":{"name":"Hong"}}"class="mw-ref"about="#mwt12"id="cite_ref-Hong_2-0"rel="dc:references"><ahref="./Phantosmia#cite_note-Hong-2"style="counter-reset: mw-Ref 2;"><spanclass="mw-reflink-text">[2]</span></a></sup></span><spandata-segmentid="6"class="cx-segment">Unpleasant phantosmia, <bid="mwBw">cacosmia</b>, is more common and is often described as smelling something that is burned, foul, spoiled, or rotten.<suptypeof="mw:Extension/ref"data-mw="{"name":"ref","attrs":{"name":"Leopold2002a"},"body":{"html":"<cite about=\"#mwt56\" class=\"citation\" data-mw=\"{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;citation &quot;,&quot;href&quot;:&quot;./Template:Citation&quot;},&quot;params&quot;:{&quot;author&quot;:{&quot;wt&quot;:&quot;Leopold DA&quot;},&quot;year&quot;:{&quot;wt&quot;:&quot;2002a&quot;},&quot;title&quot;:{&quot;wt&quot;:&quot;Distortion of Olfactory Perception: Diagnosis and Treatment&quot;},&quot;journal&quot;:{&quot;wt&quot;:&quot;Chemical Senses&quot;},&quot;volume&quot;:{&quot;wt&quot;:&quot;27&quot;},&quot;issue&quot;:{&quot;wt&quot;:&quot;7&quot;},&quot;pages&quot;:{&quot;wt&quot;:&quot;611–615&quot;},&quot;doi&quot;:{&quot;wt&quot;:&quot;10.1093/chemse/27.7.611&quot;},&quot;pmid&quot;:{&quot;wt&quot;:&quot;12200340&quot;}},&quot;i&quot;:0}}]}\" id=\"CITEREFLeopold_DA2002a\" typeof=\"mw:Transclusion\" data-ve-no-generated-contents=\"true\">Leopold DA (2002a), \"Distortion of Olfactory Perception: Diagnosis and Treatment\", <i id=\"mwzQ\">Chemical Senses</i>, <b id=\"mwzg\">27</b> (7): 611–615, <a class=\"cx-link\" data-linkid=\"299\" href=\"./Digital_object_identifier\" id=\"mwzw\" rel=\"mw:WikiLink\" title=\"Digital object identifier\">doi</a>:<a class=\"external text\" href=\"//doi.org/10.1093/chemse/27.7.611\" id=\"mw0A\" rel=\"mw:ExtLink\">10.1093/chemse/27.7.611</a>, <a class=\"cx-link\" data-linkid=\"300\" href=\"./PubMed_Identifier\" id=\"mw0Q\" rel=\"mw:WikiLink\" title=\"PubMed Identifier\">PMID</a><span id=\"mw0g\" typeof=\"mw:Entity\">&nbsp;</span><a class=\"external text\" href=\"//www.ncbi.nlm.nih.gov/pubmed/12200340\" id=\"mw0w\" rel=\"mw:ExtLink\">12200340</a></cite><span about=\"#mwt56\" class=\"Z3988\" id=\"mw1A\" title=\"ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Chemical+Senses&amp;rft.atitle=Distortion+of+Olfactory+Perception%3A+Diagnosis+and+Treatment&amp;rft.volume=27&amp;rft.issue=7&amp;rft.pages=611-615&amp;rft.date=2002&amp;rft_id=info%3Adoi%2F10.1093%2Fchemse%2F27.7.611&amp;rft_id=info%3Apmid%2F12200340&amp;rft.au=Leopold+DA&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3APhantosmia\" data-ve-ignore=\"true\"><span id=\"mw1Q\" style=\"display:none;\"><span id=\"mw1g\" typeof=\"mw:Entity\">&nbsp;</span></span></span>"}}"class="mw-ref"about="#mwt14"id="cite_ref-Leopold2002a_3-0"rel="dc:references"><ahref="./Phantosmia#cite_note-Leopold2002a-3"style="counter-reset: mw-Ref 3;"><spanclass="mw-reflink-text">[3]</span></a></sup></span><spandata-segmentid="7"class="cx-segment">Experiencing occasional phantom smells is normal and usually goes away on its own in time.<suptypeof="mw:Extension/ref"data-mw="{"name":"ref","attrs":{"name":"NHS"},"body":{"id":"mw-reference-text-cite_note-NHS-4","html":"<cite about=\"#mwt9\" class=\"citation\" data-mw=\"{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;citation&quot;,&quot;href&quot;:&quot;./Template:Citation&quot;},&quot;params&quot;:{&quot;title&quot;:{&quot;wt&quot;:&quot;Phantosmia (Smelling Odours That Aren't There)&quot;},&quot;author&quot;:{&quot;wt&quot;:&quot;HealthUnlocked&quot;},&quot;website&quot;:{&quot;wt&quot;:&quot;NHS Choices&quot;},&quot;year&quot;:{&quot;wt&quot;:&quot;2014&quot;},&quot;url&quot;:{&quot;wt&quot;:&quot;http://www.nhs.uk/conditions/phantosmia/Pages/Introduction.aspx&quot;},&quot;accessdate&quot;:{&quot;wt&quot;:&quot;6 August 2016&quot;}},&quot;i&quot;:0}}]}\" id=\"CITEREFHealthUnlocked2014\" typeof=\"mw:Transclusion\" data-ve-no-generated-contents=\"true\">HealthUnlocked (2014), <a class=\"external text\" href=\"http://www.nhs.uk/conditions/phantosmia/Pages/Introduction.aspx\" id=\"mw1w\" rel=\"mw:ExtLink\">\"Phantosmia (Smelling Odours That Aren't There)\"</a>, <i id=\"mw2A\">NHS Choices</i><span class=\"reference-accessdate\" id=\"mw2Q\">, retrieved <span class=\"nowrap\" id=\"mw2g\">6 August</span> 2016</span></cite><span about=\"#mwt9\" class=\"Z3988\" id=\"mw2w\" title=\"ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=NHS+Choices&amp;rft.atitle=Phantosmia+%28Smelling+Odours+That+Aren%27t+There%29&amp;rft.date=2014&amp;rft.au=HealthUnlocked&amp;rft_id=http%3A%2F%2Fwww.nhs.uk%2Fconditions%2Fphantosmia%2FPages%2FIntroduction.aspx&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3APhantosmia\" data-ve-ignore=\"true\"><span id=\"mw3A\" style=\"display:none;\"><span id=\"mw3Q\" typeof=\"mw:Entity\">&nbsp;</span></span></span>"}}"class="mw-ref"about="#mwt65"id="cite_ref-NHS_4-0"rel="dc:references"><ahref="./Phantosmia#cite_note-NHS-4"style="counter-reset: mw-Ref 4;"><spanclass="mw-reflink-text">[4]</span></a></sup></span><spandata-segmentid="8"class="cx-segment">When <ahref="./Hallucination"rel="mw:WikiLink"data-linkid="9"class="cx-link"id="mwCA"title="Hallucination">hallucinations</a> of this type do not seem to go away or when they keep coming back, it can be very upsetting and can disrupt an individual's quality of life.<suptypeof="mw:Extension/ref"data-mw="{"name":"ref","attrs":{"name":"Hong"},"body":{"id":"mw-reference-text-cite_note-Hong-2","html":"<cite about=\"#mwt10\" class=\"citation\" data-mw=\"{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;citation&quot;,&quot;href&quot;:&quot;./Template:Citation&quot;},&quot;params&quot;:{&quot;title&quot;:{&quot;wt&quot;:&quot;Distorted Olfactory Perception: A Systematic Review&quot;},&quot;vauthors&quot;:{&quot;wt&quot;:&quot;Hong SC, Holbrook EH, Leopold DA, Hummel T&quot;},&quot;year&quot;:{&quot;wt&quot;:&quot;2012&quot;},&quot;journal&quot;:{&quot;wt&quot;:&quot;Acta Oto-Laryngologica Supplementum&quot;},&quot;volume&quot;:{&quot;wt&quot;:&quot;132&quot;},&quot;issue&quot;:{&quot;wt&quot;:&quot;S1&quot;},&quot;page&quot;:{&quot;wt&quot;:&quot;S27&quot;},&quot;doi&quot;:{&quot;wt&quot;:&quot;10.3109/00016489.2012.659759&quot;}},&quot;i&quot;:0}}]}\" id=\"CITEREFHongHolbrookLeopoldHummel2012\" typeof=\"mw:Transclusion\" data-ve-no-generated-contents=\"true\">Hong SC, Holbrook EH, Leopold DA, Hummel T (2012), \"Distorted Olfactory Perception: A Systematic Review\", <i id=\"mwxg\">Acta Oto-Laryngologica Supplementum</i>, <b id=\"mwxw\">132</b> (S1): S27, <a class=\"cx-link\" data-linkid=\"298\" href=\"./Digital_object_identifier\" id=\"mwyA\" rel=\"mw:WikiLink\" title=\"Digital object identifier\">doi</a>:<a class=\"external text\" href=\"//doi.org/10.3109/00016489.2012.659759\" id=\"mwyQ\" rel=\"mw:ExtLink\">10.3109/00016489.2012.659759</a></cite><span about=\"#mwt10\" class=\"Z3988\" id=\"mwyg\" title=\"ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Acta+Oto-Laryngologica+Supplementum&amp;rft.atitle=Distorted+Olfactory+Perception%3A+A+Systematic+Review&amp;rft.volume=132&amp;rft.issue=S1&amp;rft.pages=S27&amp;rft.date=2012&amp;rft_id=info%3Adoi%2F10.3109%2F00016489.2012.659759&amp;rft.aulast=Hong&amp;rft.aufirst=SC&amp;rft.au=Holbrook%2C+EH&amp;rft.au=Leopold%2C+DA&amp;rft.au=Hummel%2C+T&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3APhantosmia\" data-ve-ignore=\"true\"><span id=\"mwyw\" style=\"display:none;\"><span id=\"mwzA\" typeof=\"mw:Entity\">&nbsp;</span></span></span>"}}"class="mw-ref"about="#mwt67"id="cite_ref-Hong_2-1"rel="dc:references"><ahref="./Phantosmia#cite_note-Hong-2"style="counter-reset: mw-Ref 2;"><spanclass="mw-reflink-text">[2]</span></a></sup></span></p>