Archive What If? Blag Store About A webcomic of romance, sarcasm, math, and language. Thing Explainer is available at: Amazon , Barnes & Noble , Indie Bound , Hudson Cold Medicine |< < Prev Random Next > >| |< < Prev Random Next > >| Permanent link to this comic: http://xkcd.com/1618/ Image URL (for hotlinking/embedding): http://imgs.xkcd.com/comics/cold_medicine.png Search comic titles and transcripts: <script type="text/javascript" src="//www.google.com/jsapi"></script> <script type="text/javascript">google.load('search', '1');google.setOnLoadCallback(function() {google.search.CustomSearchControl.attachAutoCompletion('012652707207066138651:zudjtuwe28q',document.getElementById('q'),'cse-search-box');});</script> <form action="//www.google.com/cse" id="cse-search-box"> <div> <input type="hidden" name="cx" value="012652707207066138651:zudjtuwe28...