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Sublingual administration
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<p>Sublingual (<a href="/facts/List_of_abbreviations_used_in_medical_prescriptions/uAr9XfSE">abbreviated</a> SL), from the <a href="/facts/Latin/pM3Kge85">Latin</a> for "under the <a href="/facts/Tongue/oW4tp3a0">tongue</a>", refers to the <a href="/facts/Pharmacological/4Rx8s7Ie">pharmacological</a> <a href="/facts/Route_of_administration/LsyoHTzH">route of administration</a> by which substances diffuse into the <a href="/facts/Blood/03zEulkj">blood</a> through <a href="/facts/Tissue_(biology)/H7CpML7A">tissues</a> under the tongue. </p><p>Many drugs are absorbed through sublingual administration, including <a href="/facts/Circulatory_system/WXwudzzc">cardiovascular</a> drugs, <a href="/facts/Steroid/4AhMbgXt">steroids</a>, <a href="/facts/Barbiturate/d3PhtK8b">barbiturates</a>, <a href="/facts/Benzodiazepine/IgbJr4jy">benzodiazepines</a>, <a href="/facts/Opioid/EGnE2x99">opioid</a> <a href="/facts/Analgesics/xLj4XBcq">analgesics</a>, <a href="/facts/THC/ljryfDfg">THC</a>, <a href="/facts/Cannabidiol/PgnVbNqo">CBD</a>, some <a href="/facts/Protein/Jxmagu3E">proteins</a> and increasingly, <a href="/facts/Vitamin/SnW0LYBL">vitamins</a> and <a href="/facts/Dietary_mineral/ACv8EG7f">minerals</a>. </p>