{"id":2013,"date":"2026-03-17T06:42:05","date_gmt":"2026-03-17T06:42:05","guid":{"rendered":"https:\/\/www.pk-pharmakommunikation.de\/blog\/naturally-effective-urine-as-a-disinfectant\/"},"modified":"2026-07-24T11:36:18","modified_gmt":"2026-07-24T11:36:18","slug":"naturally-effective-urine-as-a-disinfectant","status":"publish","type":"post","link":"https:\/\/www.pk-pharmakommunikation.de\/en\/blog\/naturally-effective-urine-as-a-disinfectant\/","title":{"rendered":"Naturally Effective? Urine as a disinfectant"},"content":{"rendered":"<p>Health tips from the internet can sometimes take on surprising\u2014and, frankly, somewhat off-putting\u2014forms. For example, when it comes to the medical use of urine, one can find remarkably specific instructions:<\/p>\n<ul>\n<li>Against toothache and cavities: <em>\u201cRinse your mouth with fresh morning urine for at least three minutes and keep it in the oral cavity as long as possible.\u201d<\/em><\/li>\n<li>For middle ear infections: <em>\u201cLet urine run into the ear canal and leave it there for 15 minutes.\u201d<\/em><\/li>\n<li>For skin impurities or minor burns: <em>\u201cIn the morning, after your normal facial cleansing, wash your face with concentrated morning urine and do not rinse it off for as long as possible.\u201d<\/em><\/li>\n<\/ul>\n<p>Behind such recommendations lies a surprisingly persistent myth: urine is a natural disinfectant. In fact, it was already used for this purpose in ancient and medieval medicine.<\/p>\n<p>Overcoming the disgust \u2014 is it worth&nbsp;it?<\/p>\n<p>The idea that urine is sterile is now considered outdated. Modern microbiological studies show that the human urinary tract does indeed have a bacterial colonization. The supposed antiseptic thus turns out to be simply a bodily fluid which\u2014like many others\u2014can contain microorganisms and therefore has little place near wounds.<\/p>\n<p>In addition, urine consists mostly of water, along with a small percentage of electrolytes and metabolic waste products that the body is actively trying to eliminate. There is no convincing mechanism for an antiseptic effect.<\/p>\n<p>If it burns, it must work against bacteria?<\/p>\n<p>The fact that urine can sting on injured skin is sometimes interpreted as evidence of a \u201cdisinfecting effect.\u201d In reality, this is more likely due to its salt concentration and slightly acidic pH.<\/p>\n<p>In short: urine can sting\u2014but not for the same reasons as an antiseptic, rather for roughly the same reasons as saltwater on an abrasion.<\/p>\n<p>No \u2014 urine is not a disinfectant<\/p>\n<p>Today, we have clean water, simple wound care, and sterile dressings. Urine-based applications therefore seem about as advisable as some other classics of historical medicine: bloodletting for fever, mercury treatments for syphilis, or leeches for nearly everything.<\/p>\n<p>Nevertheless, this old myth has still not been completely eradicated.<\/p>\n<p>Have you ever come across advice like&nbsp;this?<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/journals.asm.org\/doi\/10.1128\/jcm.00675-18\" target=\"_blank\" rel=\"noopener\">Morand A et al. Human Bacterial Repertoire of the Urinary Tract: a Potential Paradigm Shift. J Clin Microbiol. 2019 Feb 27;57(3):e00675-18.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Health tips from the internet can sometimes take on surprising\u2014and, frankly, somewhat off-putting\u2014forms. For example, when it comes to the medical use of urine, one can find remarkably specific instructions: Against toothache and cavities: \u201cRinse your mouth with fresh morning urine for at least three minutes and keep it in the oral cavity as&nbsp;long&nbsp;[\u2026]<\/p>\n","protected":false},"author":4,"featured_media":2011,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","wp_typography_post_enhancements_disabled":false,"footnotes":""},"categories":[20],"tags":[],"class_list":["post-2013","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Naturally Effective? 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For example, when it comes to the medical use of urine, one can find remarkably specific instructions: Against toothache and cavities: \u201cRinse your mouth with fresh morning urine for at least three minutes and keep it in the oral cavity as long [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pk-pharmakommunikation.de\/en\/blog\/naturally-effective-urine-as-a-disinfectant\/\" \/>\n<meta property=\"og:site_name\" content=\"PK Pharmakommunikation\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-17T06:42:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-24T11:36:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pk-pharmakommunikation.de\/wp-content\/uploads\/Urin-als-Desinfektionsmittel-.png\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"349\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Elke\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Elke\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.pk-pharmakommunikation.de\\\/en\\\/blog\\\/naturally-effective-urine-as-a-disinfectant\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pk-pharmakommunikation.de\\\/en\\\/blog\\\/naturally-effective-urine-as-a-disinfectant\\\/\"},\"author\":{\"name\":\"Elke\",\"@id\":\"https:\\\/\\\/www.pk-pharmakommunikation.de\\\/en\\\/#\\\/schema\\\/person\\\/c09686d559e7fc144b0cde96970f2313\"},\"headline\":\"Naturally Effective? 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