{"id":408050,"date":"2024-02-06T15:00:00","date_gmt":"2024-02-06T15:00:00","guid":{"rendered":"https:\/\/www.goodrxmedicine.com\/blog\/?p=408050"},"modified":"2025-10-10T05:11:17","modified_gmt":"2025-10-10T05:11:17","slug":"why-does-weed-make-your-eyes-red","status":"publish","type":"post","link":"https:\/\/www.goodrxmedicine.com\/blog\/eyecare\/why-does-weed-make-your-eyes-red\/","title":{"rendered":"Unraveling the Mystery: Why Does Weed Make Your Eyes Red?"},"content":{"rendered":"\n<p>Red Eye is a noticeable side effect of consuming weed that has sparked curiosity among people.&nbsp;<br><br>However, why does weed make your eyes red?<br><br>Weed lowers blood pressure, dilates blood vessels in one&#8217;s eyes, and makes them appear red.&nbsp;<br><br>Let us explore the scientific connection between weed consumption and eye redness.&nbsp;<\/p>\n\n\n\n<h2 id=\"why-does-weed-make-your-eyes-red\" class=\"wp-block-heading\">Why does weed make your eyes red?<\/h2>\n\n\n\n<p>Delta-9-Tetrahydrocannabinol (THC) is the active ingredient in weed that can lead to <a href=\"https:\/\/www.goodrxmedicine.com\/blog\/eyecare\/red-eyes\/\" target=\"_blank\">Red Eyes<\/a>.\u00a0<br><br>THC is the psychoactive ingredient that makes people feel good and calm when they consume weed.<br><br>A <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/33483174\/#:~:text=Conclusion%3A%20amongst%20older%20adults%20with%20hypertension%2C%20cannabis%20treatment%20for%203%20months%20was%20associated%20with%20a%20reduction%20in%2024%2Dhours%20systolic\" target=\"_blank\" rel=\"nofollow noopener\">study<\/a> states that weed has a calming effect and can reduce blood pressure in older adults.<br><br>Interestingly, THC also plays an important role in causing Red Eyes.<\/p>\n\n\n<div class=\"su-box su-box-style-soft\" id=\"\" style=\"border-color:#073d11;border-radius:10px;max-width:none\"><div class=\"su-box-title\" style=\"background-color:#3A7044;color:#FFFFFF;border-top-left-radius:8px;border-top-right-radius:8px\">Suggestion:<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:8px;border-bottom-right-radius:8px\">Avoid rubbing your eyes, as it may increase the discomfort and redness.\u00a0 <\/div><\/div>\n\n\n\n<p>When THC enters the body after weed consumption, it has a vasodilatory effect on all the blood vessels in the body.\u00a0<br><br><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK557562\/\" target=\"_blank\" rel=\"nofollow noopener\">Vasodilation<\/a> is the widening of blood vessels that leads to an increase in blood flow by reducing blood pressure.\u00a0<br><br>In the case of the eyes, the expansion of blood vessels creates the bloodshot effect by making the white part of the eyes appear red.<br><br>However, weed eye redness is temporary and goes away with time.<br><br>Regular use of weed can also lead to <a href=\"https:\/\/www.goodrxmedicine.com\/blog\/eyecare\/dry-eyes\/\" target=\"_blank\">Dry Eyes<\/a> and discomfort. Consult an eye doctor for proper diagnosis and treatment options.<\/p>\n\n\n<div class=\"su-box su-box-style-soft\" id=\"\" style=\"border-color:#075380;border-radius:7px;max-width:none\"><div class=\"su-box-title\" style=\"background-color:#3A86B3;color:#FFFFFF;border-top-left-radius:5px;border-top-right-radius:5px\">Order Now<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:5px;border-bottom-right-radius:5px\">Try <a class=\"wpil_keyword_link\" href=\"https:\/\/www.goodrxmedicine.com\/restasis-0-05-ophthalmic-emulsion-0-4ml.html\" target=\"_blank\" rel=\"noopener\" title=\"Restasis 0.05% Ophthalmic Emulsion 0.4ml\" data-wpil-keyword-link=\"linked\">Restasis 0.05% Ophthalmic Emulsion 0.4ml<\/a> from GoodRXMedicine to help with Dry Eyes now.\u00a0 <\/div><\/div>\n\n\n<div id=\"goodr-400848980\"><!-- ===== GRX 4-Product Strip Dynamic API \u2014 GoodRxMedicine ===== -->\r\n<div class=\"grx-ss\" aria-label=\"Related products\">\r\n  <style>\r\n 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+ \": \" + response.status);\r\n        }\r\n        return response.json();\r\n      }\r\n\r\n      async function initProducts() {\r\n        try {\r\n          const cards = await Promise.all(\r\n            products.map(async function (product) {\r\n              const apiData = await fetchProduct(product);\r\n              return renderCard(product, apiData);\r\n            })\r\n          );\r\n          grid.innerHTML = cards.join(\"\");\r\n        } catch (error) {\r\n          console.error(\"CMS product API error:\", error);\r\n          grid.innerHTML = \"\";\r\n        }\r\n      }\r\n\r\n      initProducts();\r\n    })();\r\n  <\/script>\r\n<\/div>\r\n<!-- ===== \/GRX 4-Product Strip Dynamic API \u2014 GoodRxMedicine ===== --><\/div>\n\n\n\n\n\n\n<h2 id=\"how-long-do-red-eyes-last-from-weed\" class=\"wp-block-heading\">How long do Red Eyes last from weed?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/www.goodrxmedicine.com\/blog\/wp-content\/uploads\/2023\/11\/Closeup-of-viral-pink-eye-1024x536.webp\" alt=\"Eye redness (viral pink eye symptom)\" class=\"wp-image-405614\" srcset=\"https:\/\/www.goodrxmedicine.com\/blog\/wp-content\/uploads\/2023\/11\/Closeup-of-viral-pink-eye-1024x536.webp 1024w, https:\/\/www.goodrxmedicine.com\/blog\/wp-content\/uploads\/2023\/11\/Closeup-of-viral-pink-eye-300x157.webp 300w, https:\/\/www.goodrxmedicine.com\/blog\/wp-content\/uploads\/2023\/11\/Closeup-of-viral-pink-eye-768x402.webp 768w, https:\/\/www.goodrxmedicine.com\/blog\/wp-content\/uploads\/2023\/11\/Closeup-of-viral-pink-eye.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"> A Closeup of a red eye<\/figcaption><\/figure>\n\n\n\n<p>Red Eyes caused by weed normally last for one to two hours after consumption.\u00a0<br><br>However, the duration of Red Eyes is not the same for all weed users.\u00a0<br><br>The duration of eye redness differs based on the amount of THC in blood and how quickly one&#8217;s body breaks down the THC.<br><br>Some individuals may experience serious redness, while others may only notice a small change in the eye color.\u00a0<br><br>Individuals who use weed for the first time or those with a lower tolerance may be more sensitive to Red Eyes.<br><br>Also, <a href=\"https:\/\/www.goodrxmedicine.com\/blog\/eyecare\/glaucoma\/\" target=\"_blank\">Glaucoma<\/a> patients may use weed or marijuana, as it can <a href=\"https:\/\/www.goodrxmedicine.com\/blog\/eyecare\/low-eye-pressure\/\" data-type=\"link\" data-id=\"https:\/\/www.goodrxmedicine.com\/blog\/eyecare\/low-eye-pressure\/\" target=\"_blank\">lower eye pressure<\/a>.\u00a0<br><br>However, one should not use weed for <a href=\"https:\/\/www.goodrxmedicine.com\/blog\/eyecare\/glaucoma-treatment\/\" target=\"_blank\">Glaucoma treatment<\/a> as it may cause unwanted side effects.<\/p>\n\n\n<div class=\"su-box su-box-style-soft\" id=\"\" style=\"border-color:#075380;border-radius:7px;max-width:none\"><div class=\"su-box-title\" style=\"background-color:#3A86B3;color:#FFFFFF;border-top-left-radius:5px;border-top-right-radius:5px\">Order Now<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:5px;border-bottom-right-radius:5px\">Rediscover your eye health- Try <a class=\"wpil_keyword_link\" href=\"https:\/\/www.goodrxmedicine.com\/careprost-3-ml-of-0-03.html\" target=\"_blank\" rel=\"noopener\" title=\"Careprost 3 ml of 0.03%\" data-wpil-keyword-link=\"linked\">Careprost 3 ml of 0.03%<\/a> and <a class=\"wpil_keyword_link\" href=\"https:\/\/www.goodrxmedicine.com\/bimat-0-03-w-v-bimatoprost-ophthalmic-solution.html\" target=\"_blank\" rel=\"noopener\" title=\"Bimat 0.03%\" data-wpil-keyword-link=\"linked\">Bimat 0.03%<\/a> from GoodRXMedicine to help with Glaucoma. <\/div><\/div>\n\n\n\n<h2 id=\"how-to-get-rid-of-red-eyes-from-weed\" class=\"wp-block-heading\">How to get rid of Red Eyes from weed?<\/h2>\n\n\n\n<p>Several treatment options and <a href=\"https:\/\/www.goodrxmedicine.com\/blog\/eyecare\/home-remedies-for-red-eyes\/\" target=\"_blank\">home remedies for Red Eyes<\/a> may help relieve discomfort and redness.&nbsp;<br><br>One can <a href=\"https:\/\/www.addictiongroup.org\/blog\/stoned-eyes\/#:~:text=Eye%20drops%3A,and%20reduce%20redness\" target=\"_blank\" rel=\"nofollow noopener\">use<\/a> artificial tears or lubricating eye drops to help provide relief by reducing redness and dryness.<br><br>Home remedies like cool compress and proper sleep may also help with weed eye redness.&nbsp;<br><br>Cool compress may help shrink the blood vessels and reduce <a href=\"https:\/\/www.goodrxmedicine.com\/blog\/eyecare\/red-eye-symptoms\/\" target=\"_blank\">Red Eye symptoms<\/a> like itching and tearing.<br><br>However, consult a doctor if the eye redness is consistent, as it may be a sign of other medical conditions like Dry Eye.<\/p>\n\n\n<div class=\"su-box su-box-style-soft cms-warning-box\" id=\"\" style=\"border-color:#7a1312;border-radius:10px;max-width:none\"><div class=\"su-box-title\" style=\"background-color:#AD4645;color:#FFFFFF;border-top-left-radius:8px;border-top-right-radius:8px\">Warning:<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:8px;border-bottom-right-radius:8px\"> Do not smoke weed or marijuana, as it can  <a class=\"wpil_keyword_link\" href=\"https:\/\/www.cdc.gov\/cannabis\/health-effects\/heart-health.html?CDC_AAref_Val=https:\/\/www.cdc.gov\/marijuana\/health-effects\/heart-health.html\" target=\"_blank\" rel=\"noopener nofollow\" title=\"increase\" data-wpil-keyword-link=\"linked\">increase<\/a> the risk of stroke and heart attack. <\/div><\/div>\n\n\n\n<h2 id=\"key-takeawaysnbsp\" class=\"wp-block-heading\">Key takeaways <\/h2>\n\n\n\n<p>Red Eye is a common sign of weed smoking, and many people are curious about &#8220;Why does weed make your eyes red?&#8221;<br><br>The Red Eyes are commonly caused by THC-induced vasodilation.<br><br>THC is the psychoactive ingredient that makes people feel good when they consume weed<br><br>The THC leads to the widening of blood vessels and creates the bloodshot effect.<br><br>Fortunately, one can try treatment options like artificial tears and cold compress to deal with eye redness.<br><br>Consult a doctor for a proper eye diagnosis and treatment.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n\n<div id=\"goodr-4211218448\"><a href=\"https:\/\/www.goodrxmedicine.com\/eye-care.html\" aria-label=\"Your Banner CTA\" class=\"post-inside-cta\">\r\n    <picture>\r\n        <source media=\"(max-width: 768px)\" srcset=\"https:\/\/www.goodrxmedicine.com\/blog\/wp-content\/uploads\/2025\/07\/Eye_Mobile.webp\">\r\n        <img decoding=\"async\" src=\"https:\/\/www.goodrxmedicine.com\/blog\/wp-content\/uploads\/2025\/07\/Eye_Desktop-scaled.webp\" alt=\"Your Banner CTA\" width=\"100%\" height=\"184\">\r\n    <\/picture>\r\n<\/a>\r\n<div style=\"height: 30px;\"><\/div><\/div>\n\n\n<h2 id=\"frequently-asked-questions\" class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1707212901458\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Can you stop your eyes from getting red when you smoke weed?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, you can reduce Red Eyes when smoking weed. One can use lubricating eye drops to help with excessive eye redness.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1707212916036\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Is redness in the eyes a normal side effect of smoking weed?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, redness in the eyes is a common and normal side effect of smoking weed. THC, the primary psychoactive compound in weed, leads to increased blood flow in the eyes. This expansion of blood vessels results in eye redness.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1707212916732\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Does strain-dependent weed consumption cause Red Eye?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, Red Eyes after weed consumption can be strain-dependent. Strains with high THC concentrations are more likely to cause vasodilation and bloodshot eyes.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1707212917365\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">How long does eye redness last after using weed?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The duration of eye redness after using weed varies from person to person but typically lasts for a few hours. It depends on factors such as individual tolerance and the amount of weed consumed.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1707212919117\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Are there any home remedies for getting rid of Red Eyes after smoking weed?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, home remedies for Red Eyes after smoking weed include applying a cold compress to shrink blood vessels and getting sufficient sleep. The remedies may help relieve dryness and reduce redness.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"su-note\"  style=\"border-color:#cbcac8;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#E5E4E2;border-color:#ffffff;color:#36454F;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px;\"><strong>Citations:<\/strong><br \/>\nWhen referencing outside resources, <a href=\"https:\/\/www.goodrxmedicine.com\" target=\"_blank\" rel=\"noopener\">GoodrxMedicine<\/a> always provides full citations. To learn more about the measures we use to maintain the quality of our content, please review our <a href=\"https:\/\/www.goodrxmedicine.com\/content-information-policy\" target=\"_blank\" rel=\"noopener\">Content Information Policy<\/a>.<\/div><\/div>\n<ul>\n<li><a href=\"https:\/\/opto.ca\/eye-health-library\/how-does-marijuana-affect-vision\" target=\"_blank\" rel=\"noopener nofollow\">healthline.com<\/a><\/li>\n<li><a href=\"https:\/\/www.healthline.com\/health\/eye-redness\" target=\"_blank\" rel=\"noopener nofollow\">drnehamehta.com<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Red Eye is a noticeable side effect of consuming weed that has sparked curiosity among people.&nbsp; However, why does weed make your eyes red? Weed lowers blood pressure, dilates blood vessels in one&#8217;s eyes, and makes them appear red.&nbsp; Let us explore the scientific connection between weed consumption and eye redness.&nbsp; Why does weed make &#8230; Read more","protected":false},"author":21,"featured_media":408058,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"schema_drug_name":"","schema_drug_sameas":"","schema_strip_mentions_drug":"","custom_head_after_canonical":"","geo_latitude":"","geo_longitude":"","csco_display_header_overlay":false,"csco_singular_sidebar":"","csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_reading_time":"","csco_page_toc_navigation":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"csco_post_video_bg_volume":false,"footnotes":""},"categories":[145],"tags":[285,283,284,286],"class_list":{"0":"post-408050","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-eyecare","8":"tag-eye-treatment","9":"tag-eyecare","10":"tag-eyecare-causes","11":"tag-eyecare-medicine","12":"cs-entry","13":"cs-video-wrap"},"_links":{"self":[{"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/posts\/408050","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/comments?post=408050"}],"version-history":[{"count":5,"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/posts\/408050\/revisions"}],"predecessor-version":[{"id":440352,"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/posts\/408050\/revisions\/440352"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/media\/408058"}],"wp:attachment":[{"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/media?parent=408050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/categories?post=408050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.goodrxmedicine.com\/blog\/wp-json\/wp\/v2\/tags?post=408050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}