{"id":35892,"date":"2023-02-22T08:43:51","date_gmt":"2023-02-22T01:43:51","guid":{"rendered":"https:\/\/www.edrugstore.com\/blog\/?p=35892"},"modified":"2024-02-23T20:48:49","modified_gmt":"2024-02-23T13:48:49","slug":"viagra-visual-side-effects","status":"publish","type":"post","link":"https:\/\/www.edrugstore.com\/blog\/mens-health\/viagra-visual-side-effects\/","title":{"rendered":"FAQ: Blue Vision and Other Viagra Visual Side Effects"},"content":{"rendered":"<p><strong>Highlights<\/strong><\/p>\n<ul>\n<li aria-level=\"1\"><strong>Blue vision and other visual side effects from Viagra are rare at lower doses but somewhat more common at higher ones.<\/strong><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><strong>In almost all cases, visual side effects from Viagra are temporary.<\/strong><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><strong>There are several theories as to possible causes of vision side effects, but they haven\u2019t been fully studied.<\/strong><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><strong>If you have risk factors for visual side effects, talk to your doctor before taking Viagra.<\/strong><\/li>\n<\/ul>\n<hr \/>\n<p><span style=\"font-weight: 400;\">Ever taken Viagra and discovered that all of a sudden, you\u2019re seeing the world in shades of blue? If so, you\u2019re not alone \u2014 blue vision, also known as cyanopsia, is a potential side effect of Viagra. Users have also been known to experience other visual effects from Viagra, as well. The good news is that these visual side effects are almost always temporary and fade away as the medication clears from your body.\u00a0<\/span><\/p>\n<h3>What Are Viagra\u2019s Visual Side Effects?<\/h3>\n<p>Generally, when people taking Viagra <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC7998971\/\">report vision impacts<\/a>, they include:<\/p>\n<ul>\n<li aria-level=\"1\">Cyanopsia, a blue tint to the vision<\/li>\n<li aria-level=\"1\">Photophobia, a increased sensitivity to light<\/li>\n<li aria-level=\"1\">Blurred vision<\/li>\n<\/ul>\n<p>The effects are usually mild to moderate and of short duration. <a href=\"https:\/\/www.edrugstore.com\/viagra-side-effects\/\">Like many side effects<\/a>, they will appear naturally and generally fade over time as the body gets used to the medication. But why do these side effects happen in the first place?<\/p>\n<h3>Does Viagra Affect Your Vision?<\/h3>\n<p>The best place to learn about Viagra side effects is <a href=\"https:\/\/www.accessdata.fda.gov\/drugsatfda_docs\/label\/2014\/20895s039s042lbl.pdf\">the FDA\u2019s label<\/a>. The label has a full table of common adverse reactions from Viagra\u2019s clinical trials and how many in clinical trials experienced those effects and at what dosage. We should note that \u201ccommon\u201d means \u201cexperienced by more than 2% of the participants in the trial.\u201d<\/p>\n<p>Abnormal vision is listed as a common side effect, which the FDA defines as \u201cmild to moderate in severity and transient, predominantly color tinge to vision, but also increased sensitivity to light, or blurred vision.\u201d But at low dosages, there doesn\u2019t seem to be much to worry about, as only 1% of the participants experienced any abnormal vision at 25 milligrams, and 2% at 50 milligrams.<\/p>\n<p>However, at 100 milligrams, the percentage goes up to 11%.<\/p>\n<p>Interestingly, though, a second trial found different results. It was a \u201cflexible dose\u201d trial, where dosage was changed according to the data collected during the trial, letting the researchers fine tune the dosage to limit side effects. In that trial, only 3% reported abnormal vision.<\/p>\n<p>In short, the clinical trials found it\u2019s possible to experience vision issues while taking Viagra, but it\u2019s relatively rare except at higher dosages. Further case reports <a href=\"https:\/\/www.aao.org\/eye-health\/news\/viagra-sildenafil-overdose-vision-side-effects\">reflected similar results<\/a>.<\/p>\n<h3>Why Does Viagra Cause Blue Vision and Other Visual Side Effects?<\/h3>\n<p>There are a few theories as to why Viagra can affect vision, including:<\/p>\n<ul>\n<li aria-level=\"1\"><strong>Enzyme interaction.<\/strong> While Viagra predominantly targets the enzyme phosphodiesterase 5 (PDE5), it can also affect PDE4, which is found in the eye.<\/li>\n<li aria-level=\"1\"><strong>Changes in blood flow. <\/strong>Viagra is a vasodilator, meaning that it works by opening blood vessels to allow better blood flow into the penis. However, this effect isn\u2019t limited to the penis; it affects blood vessels throughout the body, including in the eyes.<\/li>\n<li aria-level=\"1\"><strong>Interaction with other medical conditions. <\/strong>It\u2019s possible that chronic conditions that affect the eyes, like high blood pressure, might interact with Viagra to increase the risk of visual side effects.<\/li>\n<\/ul>\n<p>These theories have yet to be investigated in large-scale clinical trials, so for now, they\u2019re still theories.<\/p>\n<h3>Can I Take Viagra If I Have an Eye Condition?<\/h3>\n<p><a href=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/man-at-the-eye-doctor.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-35894\" src=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/man-at-the-eye-doctor.jpg\" alt=\"man at the eye doctor taking an eye test\" width=\"780\" height=\"520\" srcset=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/man-at-the-eye-doctor.jpg 2048w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/man-at-the-eye-doctor-300x200.jpg 300w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/man-at-the-eye-doctor-1024x683.jpg 1024w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/man-at-the-eye-doctor-768x512.jpg 768w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/man-at-the-eye-doctor-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/a><\/p>\n<p>If you have a condition that affects your vision, you should talk to your doctor before taking Viagra. For most common vision problems, such as astigmatism, you\u2019ll likely be cleared for Viagra use.<\/p>\n<p>There are a few exceptions, however:<\/p>\n<ul>\n<li aria-level=\"1\">Retinitis pigmentosa<\/li>\n<li aria-level=\"1\">Any optic nerve abnormality<\/li>\n<li aria-level=\"1\">Any abnormality of the retina or optic disc (the optic head on the retina where the optic nerve begins)<\/li>\n<li aria-level=\"1\">Non-arteritic anterior ischemic optic neuropathy (NAION)<\/li>\n<\/ul>\n<p>If you have any of these conditions, you may be at increased risk of visual problems from Viagra or other prescription erectile dysfunction medications.<\/p>\n<h3>What Is Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION) and Does It Interact With Viagra?<\/h3>\n<p>Non-arteritic anterior ischemic optic neuropathy is a rare condition where the optic nerve degrades because it\u2019s not receiving enough blood. Although it is rare, it\u2019s the most common form of optic nerve disease, primarily affecting those over the age of 50.<\/p>\n<p><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK559045\/\">Risk factors for NAION<\/a> include chronic diseases like diabetes, high blood pressure, and cerebrovascular diseases, but its exact cause is unknown.<\/p>\n<p>It\u2019s not clear that Viagra interacts with NAION based on current studies, in part because people who have these risk factors for NAION are also not good candidates for Viagra. More research would need to be done to draw a definitive conclusion.<\/p>\n<p>If you\u2019re at risk for NAION, check with your doctor before taking Viagra.<\/p>\n<h3>What is Retinitis Pigmentosa and Does It Interact With Viagra?<a href=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/man-at-the-eye-doctor.jpg\"><br \/>\n<\/a><\/h3>\n<p>Retinitis pigmentosa (RP) is a hereditary genetic condition where the rod cells of the eye are progressively lost. It\u2019s not clear if there\u2019s any interaction, but men with RP have reported a higher incidence of visual side effects, and <a href=\"https:\/\/www.sciencedaily.com\/releases\/2014\/09\/140930112037.htm\">a mouse study in 2014 found a potential link<\/a>.<\/p>\n<p>Current FDA guidance states that \u201cthere [is] no controlled clinical data on the safety or efficacy of Viagra in patients with retinitis pigmentosa.\u201d<\/p>\n<p>If you have RP, speak with your doctor about Viagra before seeking a prescription.<\/p>\n<h3>Should I Take Viagra If I Have an Optic Nerve Abnormality?<\/h3>\n<p><a href=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/older-man-at-a-doctors-office.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-35895\" src=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/older-man-at-a-doctors-office.jpg\" alt=\"older man at a doctor's office\" width=\"780\" height=\"520\" srcset=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/older-man-at-a-doctors-office.jpg 2048w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/older-man-at-a-doctors-office-300x200.jpg 300w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/older-man-at-a-doctors-office-1024x683.jpg 1024w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/older-man-at-a-doctors-office-768x512.jpg 768w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/older-man-at-a-doctors-office-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/a><\/p>\n<p>NAION is one of several types of optic nerve abnormality. Others include:<\/p>\n<ul>\n<li aria-level=\"1\"><strong>Optic neuritis.<\/strong> This is the inflammation of the optic nerve that can cause vision problems, pain with eye movement, and even temporary vision loss. Optic neuritis is frequently seen with multiple sclerosis.<\/li>\n<li aria-level=\"1\"><strong>Optic nerve atrophy.<\/strong> This condition involves the gradual degeneration of the optic nerve, leading to vision impairment. It can be caused by various factors, including glaucoma.<\/li>\n<li aria-level=\"1\"><strong>Papilledema.<\/strong> This occurs when there is swelling of the optic nerve head, often due to increased intracranial pressure. It can result from conditions such as intracranial tumors.<\/li>\n<li aria-level=\"1\"><strong>Optic nerve hypoplasia.<\/strong> In this condition, the optic nerve doesn\u2019t develop fully, leading to visual impairment. It can be congenital or acquired.<\/li>\n<li aria-level=\"1\"><strong>Optic nerve glioma.<\/strong> A rare tumor that affects the optic nerve, typically seen in children. It can lead to vision problems.<\/li>\n<\/ul>\n<p>If you have one of these conditions, speak with your doctor before taking Viagra or any other ED medication.<\/p>\n<h3>How Do I Know if Visual Side Effects From Viagra Are Serious?<\/h3>\n<p>Some visual side effects could be serious and require immediate medical attention.<\/p>\n<p>These include:<\/p>\n<ul>\n<li aria-level=\"1\"><strong>Sudden vision loss.<\/strong> This is rare but can be a sign of a serious problem that requires immediate medical attention.<\/li>\n<li aria-level=\"1\"><strong>Persistent vision changes.<\/strong> If your visual symptoms don\u2019t resolve after the drug has worn off, that\u2019s a signal to seek medical attention.<\/li>\n<li aria-level=\"1\"><strong>Double vision or severe blurriness.<\/strong> These could be signs of a serious problem that may require immediate treatment.<\/li>\n<li aria-level=\"1\"><strong>Eye pain. <\/strong>Pain in the eyes, sometimes accompanied by vision changes, can be a sign of a severe issue.<\/li>\n<\/ul>\n<p>If you experience any of these more serious effects, get medical attention right away.<\/p>\n<h3>What Should I Do To Limit The Vision Side Effects From Viagra?<\/h3>\n<p>There are a few steps you can take if you\u2019re worried about visual side effects from Viagra.<\/p>\n<ul>\n<li aria-level=\"1\"><strong>Get an eye exam before taking Viagra.<\/strong> This is especially important if you\u2019re over 50. Even if you have no history of eye problems, an eye exam will help identify any potential concerns.<\/li>\n<li aria-level=\"1\"><strong>Start with a lower dose.<\/strong> As we noted above, lower doses had much lower incidence of vision effects.<\/li>\n<li aria-level=\"1\"><strong>Check for potential drug interactions.<\/strong> Like any drug, Viagra can interact with other medications in unexpected ways. An easy way to find out if Viagra might interact with a medication you\u2019re currently taking is to check the Drugs.com <a href=\"https:\/\/www.drugs.com\/drug_interactions.html\">Drug Interaction Checker<\/a>. Also, be sure your provider knows about every medication and supplement you\u2019re taking before starting Viagra.<\/li>\n<li aria-level=\"1\"><strong>Buy from a trusted source.<\/strong> Be sure you\u2019re taking authentic, FDA-approved Viagra. Viagra is one of the world\u2019s most popular medications, so it\u2019s a favorite target of <a href=\"https:\/\/www.edrugstore.com\/blog\/erectile-dysfunction\/how-to-spot-fakes-l0512\/\">counterfeiters<\/a>. The FDA keeps track of <a href=\"https:\/\/www.edrugstore.com\/blog\/current-health-news\/fda-warns-online-pharmacies-l1001\/\">fake pharmacies<\/a> and <a href=\"https:\/\/www.fda.gov\/drugs\/medication-health-fraud\/tainted-sexual-enhancement-products\">tainted supplements<\/a> as well. Because they\u2019re unregulated, these products can have unexpected side effects.<\/li>\n<\/ul>\n<h3>Buy Your Viagra From eDrugstore, a Source You Can Trust<\/h3>\n<p><a href=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/optometrist-giving-an-eye-test-.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-35896\" src=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/optometrist-giving-an-eye-test-.jpg\" alt=\"optometrist giving an eye test\" width=\"780\" height=\"521\" srcset=\"https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/optometrist-giving-an-eye-test-.jpg 2048w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/optometrist-giving-an-eye-test--300x200.jpg 300w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/optometrist-giving-an-eye-test--1024x684.jpg 1024w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/optometrist-giving-an-eye-test--768x513.jpg 768w, https:\/\/www.edrugstore.com\/blog\/wp-content\/uploads\/2023\/10\/optometrist-giving-an-eye-test--1536x1025.jpg 1536w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/a><\/p>\n<p>Viagra has been on the market for nearly three decades and is carefully monitored by authorities around the world, including the FDA. It\u2019s a well-understood medication, and as long as you buy from a trustworthy source, your risk of serious side effects is very low.<\/p>\n<p>At eDrugstore, we\u2019ve been in business since 1998, and we sell only legitimate, FDA-approved\u00a0 medications. Our professional pharmacy and medical staff will answer your questions and help you find the right drug at the right price. We\u2019ll then ship it for free, directly to your door.<\/p>\n<p>To learn more about Viagra and your other ED medication options, visit our <a href=\"https:\/\/www.edrugstore.com\/erectile-dysfunction\/?__mscta=2392_98297_35\">erectile dysfunction<\/a> page.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn about Viagra and its potential visual side effects, including blue vision, and when there may be cause for concern.<\/p>\n","protected":false},"author":15,"featured_media":35898,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_autoblog_aioseo_focus_keyphrase":"","_autoblog_aioseo_title":"","_autoblog_aioseo_description":"","footnotes":""},"categories":[20,5],"tags":[],"class_list":["post-35892","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-erectile-dysfunction","category-mens-health"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in 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