{"id":4714,"date":"2025-09-05T06:00:00","date_gmt":"2025-09-05T06:00:00","guid":{"rendered":"https:\/\/www.better2know.co.uk\/blog\/?p=4714"},"modified":"2025-10-02T11:24:45","modified_gmt":"2025-10-02T11:24:45","slug":"do-i-have-thrush-or-an-sti","status":"publish","type":"post","link":"https:\/\/www.better2know.co.uk\/blog\/do-i-have-thrush-or-an-sti\/","title":{"rendered":"Thrush or STI: how to know the difference"},"content":{"rendered":"\n<p>Sexually transmitted infections (STIs) are often tricky to spot from symptoms alone. Most STIs go undetected \u2013 after all, most don&#8217;t produce any symptoms.<\/p>\n\n\n\n<p>But when symptoms do appear, they can easily be confused for other conditions, some of which you might dismiss as unserious.<\/p>\n\n\n\n<p>Thrush symptoms are sometimes mistaken for STI symptoms. It&#8217;s easy to understand why. Thrush and STIs can both affect the genitals can cause pain and irritation.<\/p>\n\n\n\n<p>So, how do you tell?<\/p>\n\n\n\n<p>Keep reading to find out.<\/p>\n\n\n\n<!--more-->\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" src=\"https:\/\/www.better2know.co.uk\/blog\/wp-content\/uploads\/2025\/09\/thrush-or-sti-1-1024x518.png\" alt=\"\" class=\"wp-image-8809\" width=\"768\" height=\"389\" srcset=\"https:\/\/www.better2know.co.uk\/blog\/wp-content\/uploads\/2025\/09\/thrush-or-sti-1-1024x518.png 1024w, https:\/\/www.better2know.co.uk\/blog\/wp-content\/uploads\/2025\/09\/thrush-or-sti-1-300x152.png 300w, https:\/\/www.better2know.co.uk\/blog\/wp-content\/uploads\/2025\/09\/thrush-or-sti-1-768x388.png 768w, https:\/\/www.better2know.co.uk\/blog\/wp-content\/uploads\/2025\/09\/thrush-or-sti-1-1536x777.png 1536w, https:\/\/www.better2know.co.uk\/blog\/wp-content\/uploads\/2025\/09\/thrush-or-sti-1-2048x1036.png 2048w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong>If you think you may have an STI, you should get tested. Book an STI at a sexual health clinic near you today.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/www.better2know.co.uk\/clinics\/book-online\/choose-clinic\">Get tested<\/a><\/div>\n<\/div>\n\n\n\n<h2>What is Thrush?<\/h2>\n\n\n\n<p>Thrush is a common yeast infection that affects both men and women. It\u2019s caused by a fungus called <em>candida, <\/em>which is usually harmless.<\/p>\n\n\n\n<p>A thrush infection can be triggered by factors that disrupt the natural balance of bacteria in your genitals, such as antibiotics, poorly controlled diabetes, a weakened immune system, pregnancy, or hormonal changes like menopause.<\/p>\n\n\n\n<p>Wearing tight clothing, using perfumed hygiene products, or excessive washing can also contribute to its development.<\/p>\n\n\n\n<h2>What is an STI?<\/h2>\n\n\n\n<p>A sexually transmitted infection is an infection that most people get through sex. They&#8217;re usually viruses, bacteria, or parasites that transfer from one person or the other during the sexual act.<\/p>\n\n\n\n<p>The term &#8220;sexually transmitted infection&#8221; can be a bit misleading, though. While the vast majority of STIs transmit through sex, some STIs can be transmitted in other ways, like through kissing, foreplay, oral sex, sharing sex toys, and sharing needles.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Thrush or STI: how to know the difference\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/fd1D_HrKzi8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2>Is Thrush an STI?<\/h2>\n\n\n\n<p>Although Thrush can often occur after sex, it is not sexually transmitted. There is an exchange of bacterial flora between people in sex, which may break down the natural protection your flora provides, and so unleashing an outbreak of thrush.<\/p>\n\n\n\n<p>So, which is it: Thrush or STI?<\/p>\n\n\n\n<p>It can sometimes be tricky to know from symptoms alone.<\/p>\n\n\n\n<p>Even though Thrush is not recognised as an STI, symptoms can be similar to that of a sexually transmitted infection \u2013 making it difficult to know which one is causing your genital discomfort. Similarly, both Thrush and STIs may not present any symptoms even if you\u2019re infected.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Thrush<\/strong><\/td><td><strong>Sexually Transmitted Infection<\/strong><\/td><\/tr><tr><td>Fungus<\/td><td>Bacteria, Virus or Protozoa<\/td><\/tr><tr><td>A result of imbalanced bacterial populations, skin irritation or damage, antibiotics, poorly controlled diabetes, weakened immune system, pregnancy or if you have been through menopause. &nbsp; Sexual activity can sometimes trigger or pass on Thrush.<\/td><td>A result of unprotected sexual activity including oral, vaginal and anal intercourse.<br><br>In some cases, direct skin-to-skin contact is enough to pass on an STI.<\/td><\/tr><tr><td>Symptoms of Thrush can include: \u2013 White discharge from the vagina or penis (like cottage cheese) \u2013 Genital discomfort such as itching, redness \u2013 Pain or burning when urinating \u2013 An unpleasant odour \u2013 Soreness or stinging during sex Men might find it difficult to pull back foreskin<\/td><td>STI symptoms may consist of: \u2013 Unusual discharge from the vagina or penis \u2013 Cuts, blisters, ulcers or lesions \u2013 Genital or anal discomfort \u2013 Pain or burning when urinating \u2013 An unpleasant odour \u2013 Abnormal bleeding \u2013 Pelvic inflammatory disease \u2013 Increased need to urinate more often \u2013 Lower abdominal pain<\/td><\/tr><tr><td>Treatment consists of antifungal medicine and creams that can help relieve irritation.<\/td><td>Depending on the STI you test positive for, antibiotics, antiviral or antiretroviral medication may be prescribed by a doctor.<\/td><\/tr><tr><td>Thrush can clear up within a week with appropriate medication. In some cases, recurrent Thrush may require a longer course of treatment that can last up to six months.<\/td><td>Some sexually transmitted infections require long-term management. <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>You can easily confuse Thrush for an STI because Thrush infections can often be triggered by sexual activity.<\/p>\n\n\n\n<p>Sex can disrupt the natural balance of bacteria and yeast in the genital area. Friction during intercourse may cause micro-abrasions or irritation, making the skin more vulnerable to infection. Additionally, semen has a different pH than the vagina, and this shift in pH can create an environment where <em>Candida albicans<\/em>\u2014the yeast responsible for Thrush\u2014can thrive.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p><em>Telling the difference between a Thrush infection and an STI is difficult for some people. Some of the symptoms are the same and with STIs there are frequently no symptoms at all. <em>But in women, the symptoms will usually be due to irritation in the vagina or vulva, whereas many STIs like Chlamydia will produce symptoms \u201cfurther inside\u201d, with symptoms being deeper as it is the cervix that gets infected.<\/em><\/em> <em>If you have had any kind of sexual encounter which you think might have put you at risk, then book an STI screen to make sure you don&#8217;t have an infection. If your test is negative you will feel happy and relieved, and if it&#8217;s positive, you can get treated and suffer no long-term ill effects.<\/em> <em>However, if you have symptoms and your tests are negative, please make sure you speak to your doctor to find out alternative causes.<\/em><\/p><cite><a rel=\"noreferrer noopener\" href=\"https:\/\/www.better2know.co.uk\/page\/mike-asher\" target=\"_blank\"><strong><em>Mike Asher<\/em><\/strong><\/a><strong><em>, Co-Founder at Better2Know<\/em><\/strong><\/cite><\/blockquote>\n\n\n\n<h2>What STIs can be mistaken for Thrush?<\/h2>\n\n\n\n<p>Some STIs can produce similar symptoms that can be confused with the symptoms of Thrush.<\/p>\n\n\n\n<h3>Chlamydia<\/h3>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/www.better2know.co.uk\/std-sti-testing\/chlamydia\" target=\"_blank\"><strong>Chlamydia<\/strong><\/a>\u00a0can cause abnormal vaginal discharge pain during urination\u2014symptoms that could overlap with Thrush \u2013 there may also occasionally be vaginal redness that confuses us. Unlike Thrush, it may also lead to pelvic pain or bleeding between periods in women, and testicular discomfort in men.<\/p>\n\n\n\n<h3>Gonorrhoea<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.better2know.co.uk\/std-sti-testing\/gonorrhoea\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Gonorrhoea<\/strong><\/a> often presents with a thick, yellow or green discharge and a burning sensation when urinating. These symptoms can resemble Thrush, especially when discharge and irritation are present.<\/p>\n\n\n\n<h3>Genital Herpes<\/h3>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/www.better2know.co.uk\/page\/herpes\" target=\"_blank\"><strong>Genital Herpes<\/strong><\/a> can cause some itching, burning, and redness similar to Thrush. However, it\u2019s usually accompanied by painful blisters or sores, which are not a feature of Thrush.<\/p>\n\n\n\n<h3>Trichomonas<\/h3>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/www.better2know.co.uk\/std-sti-testing\/trichomonas\" target=\"_blank\"><strong>Trichomonas<\/strong><\/a> may cause a frothy, foul-smelling discharge, genital itching and redness, as well as discomfort during sex\u2014symptoms that can be easily mistaken for Thrush.<\/p>\n\n\n\n<h3>Gardnerella<\/h3>\n\n\n\n<p>Gardnerella can be very difficult to distinguish from thrush as it also produces, genital itching and redness, but usually there is also a change in smell.<\/p>\n\n\n\n<h2>Preventing Thrush symptoms<\/h2>\n\n\n\n<p>To prevent Thrush from reoccurring or to ease symptoms you can:<\/p>\n\n\n\n<ul><li>Wear cotton underwear<\/li><li>Avoid sex until Thrush has cleared<\/li><li>Use a condom to prevent transmission to your partner<\/li><li>Taking showers instead of baths, but avoid excessive hygiene<\/li><li>Use water or emollient body washes to clean the vagina or penis<\/li><li>Dry the area properly after washing<\/li><\/ul>\n\n\n\n<h2>Preventing sexually transmitted infections<\/h2>\n\n\n\n<p>If you&#8217;re concerned about STIs and you&#8217;re sexually actives, you should practice safe sex. You can do this through the consistent and correct use of barrier methods such as condoms and dental dams.<\/p>\n\n\n\n<h2>Get tested at a sexual health clinic near you<\/h2>\n\n\n\n<p>Sexual health clinics or&nbsp;<a href=\"https:\/\/www.better2know.co.uk\/clinics\/search\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>private GUM clinics<\/strong><\/a>&nbsp;can provide treatment for thrush or sexually transmitted infections following a positive result. Your doctor or nurse may examine the vagina or penis and take a swab of discharge to test for infections. If you are concerned about any symptoms, or your sexual health more generally, you should get tested at your earliest convenience.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"752\" height=\"380\" src=\"https:\/\/www.better2know.co.uk\/blog\/wp-content\/uploads\/2025\/09\/image.jpeg\" alt=\"Doctor checking her patient's glands\" class=\"wp-image-8806\" srcset=\"https:\/\/www.better2know.co.uk\/blog\/wp-content\/uploads\/2025\/09\/image.jpeg 752w, https:\/\/www.better2know.co.uk\/blog\/wp-content\/uploads\/2025\/09\/image-300x152.jpeg 300w\" sizes=\"(max-width: 752px) 100vw, 752px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><strong>Don&#8217;t leave your sexual health to chance.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/www.better2know.co.uk\/clinics\/book-online\/choose-clinic\">Get tested<\/a><\/div>\n<\/div>\n\n\n\n<!-- Simple Share Buttons Adder (8.1.2) simplesharebuttons.com --><div class=\"ssba-classic-2 ssba ssbp-wrap left ssbp--theme-1\"><div style=\"text-align:left\"><span class=\"ssba-share-text\">Share this...<\/span><br\/><a data-site=\"\" class=\"ssba_facebook_share\" href=\"http:\/\/www.facebook.com\/sharer.php?u=https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/posts\/4714\"  target=\"_blank\" ><img src=\"https:\/\/www.better2know.co.uk\/blog\/wp-content\/plugins\/simple-share-buttons-adder\/buttons\/somacro\/facebook.png\" style=\"width: 35px;\" title=\"Facebook\" class=\"ssba ssba-img\" alt=\"Share on Facebook\" \/><div title=\"Facebook\" class=\"ssbp-text\">Facebook<\/div><\/a><a data-site='pinterest' class='ssba_pinterest_share' href='javascript:void((function()%7Bvar%20e=document.createElement(&apos;script&apos;);e.setAttribute(&apos;type&apos;,&apos;text\/javascript&apos;);e.setAttribute(&apos;charset&apos;,&apos;UTF-8&apos;);e.setAttribute(&apos;src&apos;,&apos;\/\/assets.pinterest.com\/js\/pinmarklet.js?r=&apos;+Math.random()*99999999);document.body.appendChild(e)%7D)());'><img src=\"https:\/\/www.better2know.co.uk\/blog\/wp-content\/plugins\/simple-share-buttons-adder\/buttons\/somacro\/pinterest.png\" style=\"width: 35px;\" title=\"Pinterest\" class=\"ssba ssba-img\" alt=\"Pin on Pinterest\" \/><div title=\"Pinterest\" class=\"ssbp-text\">Pinterest<\/div><\/a><a data-site=\"\" class=\"ssba_twitter_share\" href=\"http:\/\/twitter.com\/share?url=https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/posts\/4714&amp;text=Thrush%20or%20STI%3A%20how%20to%20know%20the%20difference%20\"  target=&quot;_blank&quot; ><img src=\"https:\/\/www.better2know.co.uk\/blog\/wp-content\/plugins\/simple-share-buttons-adder\/buttons\/somacro\/twitter.png\" style=\"width: 35px;\" title=\"Twitter\" class=\"ssba ssba-img\" alt=\"Tweet about this on Twitter\" \/><div title=\"Twitter\" class=\"ssbp-text\">Twitter<\/div><\/a><a data-site=\"linkedin\" class=\"ssba_linkedin_share ssba_share_link\" href=\"http:\/\/www.linkedin.com\/shareArticle?mini=true&amp;url=https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/posts\/4714\"  target=&quot;_blank&quot; ><img src=\"https:\/\/www.better2know.co.uk\/blog\/wp-content\/plugins\/simple-share-buttons-adder\/buttons\/somacro\/linkedin.png\" style=\"width: 35px;\" title=\"LinkedIn\" class=\"ssba ssba-img\" alt=\"Share on LinkedIn\" \/><div title=\"Linkedin\" class=\"ssbp-text\">Linkedin<\/div><\/a><\/div><\/div>\n\n\n\n<p><em>This article first appeared on <strong>18\/09\/2020<\/strong>. Last updated <strong>05\/09\/2025<\/strong>.<\/em><\/p>\n\n\n\n<p><em>This article has been medically reviewed by <a href=\"https:\/\/www.better2know.co.uk\/page\/dr-steve-chapman\"><strong>Dr. Steve Chapman<\/strong><\/a>, <strong>02\/10\/2025<\/strong>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sexually transmitted infections (STIs) are often tricky to spot from symptoms alone. Most STIs go undetected \u2013 after all, most don&#8217;t produce any symptoms. But when symptoms do appear, they can easily be confused for other conditions, some of which you might dismiss as unserious. Thrush symptoms are sometimes mistaken for STI symptoms. It&#8217;s easy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_s2mail":""},"categories":[20,16,19],"tags":[554],"yst_prominent_words":[563,961,560,869,558,725,2257,1564,561,2140],"_links":{"self":[{"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/posts\/4714"}],"collection":[{"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=4714"}],"version-history":[{"count":42,"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/posts\/4714\/revisions"}],"predecessor-version":[{"id":8846,"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/posts\/4714\/revisions\/8846"}],"wp:attachment":[{"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=4714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=4714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=4714"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/www.better2know.co.uk\/blog\/wp-json\/wp\/v2\/yst_prominent_words?post=4714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}