{"id":13,"date":"2026-04-13T10:20:00","date_gmt":"2026-04-13T10:20:00","guid":{"rendered":"http:\/\/travelmedicineoflongisland.com\/?p=13"},"modified":"2026-04-13T10:20:00","modified_gmt":"2026-04-13T10:20:00","slug":"travellers-diarrhoea-how-to-avoid-it-and-treat-it-yourself","status":"publish","type":"post","link":"https:\/\/travelmedicineoflongisland.com\/?p=13","title":{"rendered":"Travellers&#8217; Diarrhoea: How to Avoid It and Treat It Yourself"},"content":{"rendered":"<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/travelmedicineoflongisland.com\/wp-content\/uploads\/2026\/06\/bc_29990_25518.jpg\" alt=\"\"\/><\/figure>\n<p>Of all the ailments that interrupt a trip abroad, travellers&#8217; diarrhoea is by far the most common. Depending on the destination, between twenty and sixty percent of travellers to lower-income regions experience it, usually within the first week. While rarely dangerous for otherwise healthy adults, it can ruin days of a carefully planned journey, and in vulnerable people it can become serious. Knowing how to lower your risk and, just as importantly, how to treat yourself effectively when it strikes, is one of the most practical skills a traveller can carry.<\/p>\n<h2>What causes it and where the risk lies<\/h2>\n<p>Travellers&#8217; diarrhoea is usually caused by bacteria picked up from contaminated food or water, with certain strains of E. coli being the most frequent culprit. Viruses and parasites account for a smaller share of cases. The common thread is faecal-oral transmission, meaning microscopic amounts of contaminated material reach your mouth, typically through food prepared in unhygienic conditions, water that has not been properly treated, or hands that have not been washed.<\/p>\n<p>Risk varies sharply by region. Parts of South Asia, sub-Saharan Africa, and Latin America carry the highest risk, while much of East Asia and the Caribbean fall into a middle band. The setting matters as much as the country: street food handled with bare hands and salads washed in untreated water are riskier than freshly cooked, piping-hot meals, regardless of how upmarket the venue appears.<\/p>\n<h2>Sensible prevention without the paranoia<\/h2>\n<p>The old advice to &#8220;boil it, cook it, peel it, or forget it&#8221; captures the spirit of prevention, even if no traveller follows it perfectly. The goal is to tilt the odds in your favour through consistent habits rather than to eat in fear. The most effective measures focus on what reaches your mouth:<\/p>\n<ul>\n<li>Favour food that is freshly cooked and served steaming hot, since heat kills most pathogens.<\/li>\n<li>Be cautious with raw vegetables, salads, and unpeeled fruit that may have been washed in untreated water; fruit you peel yourself is safer.<\/li>\n<li>Drink bottled water with an intact seal, or water that has been boiled, filtered, or chemically treated, and use it for brushing teeth where tap water is suspect.<\/li>\n<li>Avoid ice unless you are confident it was made from safe water.<\/li>\n<li>Be wary of unpasteurised dairy, undercooked meat and seafood, and food that has been sitting at room temperature on buffets.<\/li>\n<li>Wash your hands frequently with soap, or use an alcohol-based sanitiser before eating, since your own hands are a major route of transmission.<\/li>\n<\/ul>\n<p>Despite popular belief, routine antibiotics to prevent diarrhoea are generally not recommended, because they encourage resistance and carry their own risks. They may be considered only for short, critical trips in specific high-risk individuals, and that is a decision for a clinician. For most travellers, good food and water habits plus prompt self-treatment is the smarter strategy.<\/p>\n<h2>The cornerstone of treatment: staying hydrated<\/h2>\n<p>If diarrhoea does arrive, the most important response is not an antibiotic but fluid. The real danger of diarrhoea, particularly in children and older adults, is dehydration. Drink more than usual, taking frequent small sips if nausea is a problem. For mild cases in healthy adults, water, diluted fruit juice, soups, and other clear fluids are usually sufficient, alongside bland foods such as rice, bananas, toast, and crackers as appetite allows.<\/p>\n<p>For more significant fluid loss, oral rehydration salts are the gold standard. These sachets, dissolved in safe water, contain a precise balance of salts and glucose that helps the gut absorb fluid far more efficiently than water alone. They are cheap, light, and worth carrying in any travel health kit, especially when travelling with children. If you run out, a basic substitute can be made with safe water, a little salt, and sugar, though commercial sachets are more reliable. Watch for warning signs of serious dehydration, including marked thirst, dark or scant urine, dizziness on standing, and lethargy.<\/p>\n<h2>Medications that help, and when to use them<\/h2>\n<p>Two types of medication form the core of self-treatment, and they serve different purposes. Loperamide is an anti-motility drug that slows the gut and quickly reduces the frequency of stools, which can be invaluable on a long bus journey or flight. It treats the symptom rather than the cause and should be avoided if you have a high fever or blood in the stool, as those may signal an infection where slowing the gut is unwise. It is also not recommended for young children.<\/p>\n<p>An antibiotic, prescribed in advance by your travel clinician, can shorten more severe episodes by targeting the underlying bacteria. The modern approach reserves antibiotics for moderate to severe cases, often a single dose or a short course, rather than treating every loose stool. Combining an appropriate antibiotic with loperamide for moderate cases can be particularly effective for getting a traveller back on their feet quickly. Because resistance patterns differ by region, the choice of antibiotic should be made by a clinician who knows your destination.<\/p>\n<h2>When self-care is not enough<\/h2>\n<p>Most episodes settle within a few days with simple measures, but certain features mean you should seek medical care rather than continue treating yourself. Be alert to:<\/p>\n<ul>\n<li>Blood or mucus in the stool, which suggests a more invasive infection.<\/li>\n<li>A high fever that does not settle.<\/li>\n<li>Severe abdominal pain or persistent vomiting that prevents you keeping fluids down.<\/li>\n<li>Signs of significant dehydration.<\/li>\n<li>Symptoms lasting more than a few days, or any diarrhoea in a very young child, an older adult, a pregnant woman, or someone with a weakened immune system.<\/li>\n<\/ul>\n<p>Diarrhoea that begins or persists after returning home also deserves a doctor&#8217;s attention, since persistent symptoms can point to a parasite that needs specific treatment. Mentioning your recent travel helps the clinician investigate the right causes.<\/p>\n<h2>Travelling prepared<\/h2>\n<p>The traveller who packs oral rehydration sachets, loperamide, and any antibiotic prescribed by their clinician, and who understands when to use each, is well equipped to handle the most common travel illness with minimal disruption. Combine that small kit with sensible food and water habits and an awareness of the warning signs, and travellers&#8217; diarrhoea becomes a manageable inconvenience rather than a trip-ending ordeal.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Of all the ailments that interrupt a trip abroad, travellers&#8217; diarrhoea is by far the most common. Depending on the destination, between twenty and sixty percent of travellers to lower-income regions experience it, usually within the first week. While rarely dangerous for otherwise healthy adults, it can ruin days of a carefully planned journey, and &#8230; <a title=\"Travellers&#8217; Diarrhoea: How to Avoid It and Treat It Yourself\" class=\"read-more\" href=\"https:\/\/travelmedicineoflongisland.com\/?p=13\" aria-label=\"Read more about Travellers&#8217; Diarrhoea: How to Avoid It and Treat It Yourself\">Read more<\/a><\/p>\n","protected":false},"author":0,"featured_media":12,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-13","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/travelmedicineoflongisland.com\/index.php?rest_route=\/wp\/v2\/posts\/13","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/travelmedicineoflongisland.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/travelmedicineoflongisland.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/travelmedicineoflongisland.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13"}],"version-history":[{"count":0,"href":"https:\/\/travelmedicineoflongisland.com\/index.php?rest_route=\/wp\/v2\/posts\/13\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/travelmedicineoflongisland.com\/index.php?rest_route=\/wp\/v2\/media\/12"}],"wp:attachment":[{"href":"https:\/\/travelmedicineoflongisland.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/travelmedicineoflongisland.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/travelmedicineoflongisland.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}