{"id":293201,"date":"2024-04-27T17:58:41","date_gmt":"2024-04-27T12:28:41","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=293201"},"modified":"2024-04-27T18:13:14","modified_gmt":"2024-04-27T12:43:14","slug":"antihistamines","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/antihistamines\/","title":{"rendered":"Antihistamines"},"content":{"rendered":"<p style=\"text-align: justify;\">Source-This post on <strong>Antihistamines\u00a0<\/strong>is based on the article <strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/what-are-antihistamines\/article68090729.ece\">&#8220;What are antihistamines?&#8221;<\/a><\/strong> published in \u201cThe Hindu\u201d on 26th March 2024.<\/p>\n<h2 style=\"text-align: justify;\">Why in the News?<\/h2>\n<p style=\"text-align: justify;\">There has been an increase in the intake of antihistamines to treat health concerns.<\/p>\n<h2 style=\"text-align: justify;\">About Antihistamines<\/h2>\n<figure style=\"width: 468px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/healthjade.net\/wp-content\/uploads\/2019\/04\/antihistamine.jpg?resize=468%2C312&#038;ssl=1\" alt=\"Antihistamine\" width=\"468\" height=\"312\" \/><figcaption class=\"wp-caption-text\">Source: healthjade<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">1. <strong>About Antihistamines:<\/strong> They are <span style=\"color: #ff0000;\">common drugs that can be purchased without a prescription.<\/span> They are <span style=\"color: #ff0000;\">used to treat short-lived allergic reactions,<\/span> like a sneezing fit or an itch.<\/p>\n<p style=\"text-align: justify;\">2. <strong>How it functions:<\/strong> An antihistamine drug functions by targeting<span style=\"color: #ff0000;\"> histamine receptors,<\/span> which are proteins that bind to a compound called <span style=\"color: #ff0000;\">histamine<\/span> in the body.<\/p>\n<p style=\"text-align: justify;\">3. <strong>Its Composition:<\/strong> This compound is <span style=\"color: #ff0000;\">composed of ethylamine and imidazole,<\/span> with the latter forming a ring structure.<\/p>\n<p style=\"text-align: justify;\">4<strong>. Functions of <\/strong><span style=\"color: #333333;\"><strong>Histamine:<\/strong> <\/span><span style=\"color: #ff0000;\">Histamine performs various roles i<\/span>n the body <span style=\"color: #ff0000;\">through four types of receptors:<\/span> H1, H2, H3, and H4.<\/p>\n<p style=\"text-align: justify;\">a) The H1 receptor is predominantly<span style=\"color: #ff0000;\"> found in blood vessels, neurons, and smooth muscle cells,<\/span> and its blockade helps alleviate minor allergies.<\/p>\n<p style=\"text-align: justify;\">b) H2 receptors are <span style=\"color: #ff0000;\">present in gastric gland cells.<\/span> They <span style=\"color: #ff0000;\">stimulate the release of gastric acid for digestion. <\/span><\/p>\n<p style=\"text-align: justify;\">c) H3 receptors are located<span style=\"color: #ff0000;\"> in the central nervous system. <span style=\"color: #333333;\">This<\/span> regulates the release of neurotransmitters,<\/span> including dopamine and serotonin.<\/p>\n<p style=\"text-align: justify;\">d) H4 receptor<span style=\"color: #ff0000;\">s control the body&#8217;s inflammatory response,<\/span> including allergic reactions.<\/p>\n<p style=\"text-align: justify;\">5. Research is currently focused on H3 and H4 receptors <span style=\"color: #ff0000;\">to develop specialized drugs for treating neurological and immunological disorders.<\/span><\/p>\n<p><strong>UPSC Syllabus: Science and technology<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source-This post on Antihistamines\u00a0is based on the article &#8220;What are antihistamines?&#8221; published in \u201cThe Hindu\u201d on 26th March 2024. Why in the News? There has been an increase in the intake of antihistamines to treat health concerns. About Antihistamines 1. About Antihistamines: They are common drugs that can be purchased without a prescription. They are&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/antihistamines\/\">Continue reading <span class=\"screen-reader-text\">Antihistamines<\/span><\/a><\/p>\n","protected":false},"author":10366,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738],"tags":[11872,10498],"class_list":["post-293201","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","tag-9pm-daily-factly","tag-the-hindu","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/293201","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10366"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=293201"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/293201\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=293201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=293201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=293201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}