{"id":6479,"date":"2025-10-21T06:54:18","date_gmt":"2025-10-21T06:54:18","guid":{"rendered":"https:\/\/www.fluv.com\/tw\/zh-tw\/blog\/?p=6479"},"modified":"2025-11-10T07:55:26","modified_gmt":"2025-11-10T07:55:26","slug":"canine-distemper-dogs","status":"publish","type":"post","link":"https:\/\/www.fluv.com\/tw\/en\/blog\/canine-distemper-dogs\/","title":{"rendered":"What is canine distemper? Symptoms, treatment, and prevention guide for dogs [2025 updated]"},"content":{"rendered":"<p><strong data-start=\"415\" data-end=\"451\">Canine Distemper Virus (CDV)<\/strong> is a common and highly fatal viral disease in dogs. This virus not only attacks the respiratory and digestive systems, but also invades the nervous system, causing seizures, epilepsy, and even permanent paralysis.<br data-start=\"510\" data-end=\"513\" \/>If your dog shows symptoms such as fever, discharge, seizures, or behavioral changes, be alert to the possibility of canine distemper. Below is the most complete guide to <strong data-start=\"556\" data-end=\"577\">canine distemper symptoms, treatment options, and vaccination essentials<\/strong> to help pet owners prevent it early and keep their dogs healthy.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-6482 size-full\" src=\"https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/nicolas-flor-bkyu7bnwVDE-unsplash-scaled.jpg\" alt=\"dog canine distemper\" width=\"2048\" height=\"2560\" srcset=\"https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/nicolas-flor-bkyu7bnwVDE-unsplash-scaled.jpg 2048w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/nicolas-flor-bkyu7bnwVDE-unsplash-240x300.jpg 240w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/nicolas-flor-bkyu7bnwVDE-unsplash-819x1024.jpg 819w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/nicolas-flor-bkyu7bnwVDE-unsplash-768x960.jpg 768w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/nicolas-flor-bkyu7bnwVDE-unsplash-1229x1536.jpg 1229w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/nicolas-flor-bkyu7bnwVDE-unsplash-1638x2048.jpg 1638w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/nicolas-flor-bkyu7bnwVDE-unsplash-809x1011.jpg 809w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><\/p>\n<h2 data-start=\"601\" data-end=\"618\">The pathogen and transmission routes of canine distemper<\/h2>\n<p data-start=\"620\" data-end=\"716\">The canine distemper virus belongs to the <strong data-start=\"627\" data-end=\"659\">family Paramyxoviridae, genus Morbillivirus<\/strong>, and is sensitive to heat and dryness, but can survive longer in cold, humid environments.<br data-start=\"682\" data-end=\"685\" \/>This virus is highly contagious and is <strong data-start=\"696\" data-end=\"715\">one of the most dangerous infectious diseases among dogs<\/strong>.<\/p>\n<p data-start=\"718\" data-end=\"735\">The main <strong data-start=\"721\" data-end=\"732\">transmission routes<\/strong> include:<\/p>\n<ul data-start=\"737\" data-end=\"803\">\n<li data-start=\"737\" data-end=\"766\">\n<p data-start=\"739\" data-end=\"766\">\ud83d\udc3e <strong data-start=\"742\" data-end=\"750\">Droplet transmission<\/strong>: inhaling nasal secretions or saliva from an infected dog.<\/p>\n<\/li>\n<li data-start=\"767\" data-end=\"803\">\n<p data-start=\"769\" data-end=\"803\">\ud83e\uddeb <strong data-start=\"772\" data-end=\"780\">Indirect contact<\/strong>: spreading through shared food bowls, water bowls, toys, or contaminated environments.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"805\" data-end=\"884\">Because the canine distemper virus has neurotropic and immunosuppressive properties, infection often leads to <strong data-start=\"838\" data-end=\"852\">multi-organ damage and neurological symptoms<\/strong>.<br data-start=\"853\" data-end=\"856\" \/>Unvaccinated puppies and dogs with weakened immune systems have a particularly high mortality rate after infection.<\/p>\n<h2 data-start=\"891\" data-end=\"910\">How canine distemper infects the body and progresses<\/h2>\n<p data-start=\"912\" data-end=\"932\">Dogs infected with canine distemper typically go through three stages:<\/p>\n<ol data-start=\"934\" data-end=\"1076\">\n<li data-start=\"934\" data-end=\"980\">\n<p data-start=\"937\" data-end=\"980\"><strong data-start=\"937\" data-end=\"952\">Initial infection (respiratory epithelium)<\/strong>: the virus enters the respiratory epithelial cells and is then carried by phagocytes into the lymph nodes.<\/p>\n<\/li>\n<li data-start=\"981\" data-end=\"1032\">\n<p data-start=\"984\" data-end=\"1032\"><strong data-start=\"984\" data-end=\"995\">First viremia<\/strong>: the virus enters the bloodstream, causing a reduction in white blood cells and lymphocytes, leading to <strong data-start=\"1017\" data-end=\"1029\">weakened immunity and high fever<\/strong>.<\/p>\n<\/li>\n<li data-start=\"1033\" data-end=\"1076\">\n<p data-start=\"1036\" data-end=\"1076\"><strong data-start=\"1036\" data-end=\"1045\">Systemic infection phase<\/strong>: the virus spreads to the nervous, respiratory, digestive, and urinary systems, causing multi-systemic lesions.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"1078\" data-end=\"1145\">\ud83d\udc15 If a dog&#8217;s immune system is strong, canine distemper may resolve on its own; however, if the immune system is compromised, it may progress to <strong data-start=\"1116\" data-end=\"1128\">chronic neurological distemper<\/strong>, with epilepsy, tremors, or paralysis appearing months later.<\/p>\n<h2 data-start=\"1230\" data-end=\"1247\">Canine distemper symptoms and disease stages<\/h2>\n<div class=\"_tableContainer_1rjym_1\">\n<div class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1249\" data-end=\"1439\">\n<thead data-start=\"1249\" data-end=\"1262\">\n<tr data-start=\"1249\" data-end=\"1262\">\n<th data-start=\"1249\" data-end=\"1254\" data-col-size=\"sm\">Stage<\/th>\n<th data-start=\"1254\" data-end=\"1262\" data-col-size=\"sm\">Clinical symptoms<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1284\" data-end=\"1439\">\n<tr data-start=\"1284\" data-end=\"1327\">\n<td data-start=\"1284\" data-end=\"1301\" data-col-size=\"sm\"><strong data-start=\"1286\" data-end=\"1300\">Acute phase (days 5\u201310)<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"1301\" data-end=\"1327\">Fever, loss of appetite, eye and nasal discharge (serous \u2192 mucopurulent)<\/td>\n<\/tr>\n<tr data-start=\"1328\" data-end=\"1358\">\n<td data-start=\"1328\" data-end=\"1338\" data-col-size=\"sm\"><strong data-start=\"1330\" data-end=\"1337\">Systemic phase<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"1338\" data-end=\"1358\">Vomiting, diarrhea, difficulty breathing, dehydration, weakness<\/td>\n<\/tr>\n<tr data-start=\"1359\" data-end=\"1399\">\n<td data-start=\"1359\" data-end=\"1375\" data-col-size=\"sm\"><strong data-start=\"1361\" data-end=\"1374\">Neurological phase (around day 7+)<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"1375\" data-end=\"1399\">Muscle tremors, facial twitching, seizures, incoordination, paralysis<\/td>\n<\/tr>\n<tr data-start=\"1400\" data-end=\"1439\">\n<td data-start=\"1400\" data-end=\"1412\" data-col-size=\"sm\"><strong data-start=\"1402\" data-end=\"1411\">Chronic complications<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"1412\" data-end=\"1439\">Dental enamel hypoplasia, nasal\/pad hyperkeratosis, retinal degeneration, behavioral changes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<blockquote data-start=\"1441\" data-end=\"1481\">\n<p data-start=\"1443\" data-end=\"1481\">\ud83d\udca1 If your dog shows a combination of fever, eye\/nasal discharge, and seizures, take them to a vet immediately for a canine distemper check.<\/p>\n<p data-start=\"1443\" data-end=\"1481\"><\/blockquote>\n<h2 data-start=\"1436\" data-end=\"1455\">How canine distemper is diagnosed<\/h2>\n<p data-start=\"1457\" data-end=\"1482\">When diagnosing canine distemper, vets assess clinical symptoms alongside the following tests:<\/p>\n<ol data-start=\"1484\" data-end=\"1657\">\n<li data-start=\"1484\" data-end=\"1513\">\n<p data-start=\"1487\" data-end=\"1513\"><strong data-start=\"1487\" data-end=\"1496\">Hematology<\/strong>: checking for reduced white blood cell and lymphocyte counts.<\/p>\n<\/li>\n<li data-start=\"1514\" data-end=\"1565\">\n<p data-start=\"1517\" data-end=\"1565\"><strong data-start=\"1517\" data-end=\"1549\">Rapid antigen test (SNAP CDV antigen kit)<\/strong>: can detect canine distemper virus antigens in real time.<\/p>\n<\/li>\n<li data-start=\"1566\" data-end=\"1607\">\n<p data-start=\"1569\" data-end=\"1607\"><strong data-start=\"1569\" data-end=\"1582\">RT-PCR testing<\/strong>: the most accurate method, suitable for cases where distemper is suspected but the antigen test is negative.<\/p>\n<\/li>\n<li data-start=\"1608\" data-end=\"1657\">\n<p data-start=\"1611\" data-end=\"1657\"><strong data-start=\"1611\" data-end=\"1626\">Cerebrospinal fluid (CSF) analysis<\/strong>: in dogs with seizures or neurological symptoms, elevated protein levels and increased lymphocytes are commonly found.<\/p>\n<\/li>\n<\/ol>\n<blockquote data-start=\"1659\" data-end=\"1700\">\n<p data-start=\"1661\" data-end=\"1700\">\ud83d\udd0e Note: if your dog is already showing neurological symptoms, seek veterinary care as soon as possible \u2014 delays significantly reduce the chances of successful treatment.<\/p>\n<p data-start=\"1661\" data-end=\"1700\"><\/blockquote>\n<h2 data-start=\"1707\" data-end=\"1724\">Treatment and care for canine distemper<\/h2>\n<p data-start=\"1726\" data-end=\"1779\">There is currently <strong data-start=\"1731\" data-end=\"1740\">no specific cure<\/strong> for canine distemper. Treatment focuses on supportive care, with the goal of <strong data-start=\"1754\" data-end=\"1776\">stabilizing vital signs, managing symptoms, and preventing secondary infections<\/strong>.<\/p>\n<p data-start=\"1781\" data-end=\"1790\">Main treatment approaches include:<\/p>\n<ul data-start=\"1792\" data-end=\"1961\">\n<li data-start=\"1792\" data-end=\"1822\">\n<p data-start=\"1794\" data-end=\"1822\">\ud83d\udca7 <strong data-start=\"1797\" data-end=\"1809\">Fluid and electrolyte therapy<\/strong>: to prevent dehydration and maintain circulation.<\/p>\n<\/li>\n<li data-start=\"1823\" data-end=\"1848\">\n<p data-start=\"1825\" data-end=\"1848\">\ud83d\udc8a <strong data-start=\"1828\" data-end=\"1835\">Antibiotics<\/strong>: to prevent secondary bacterial infections.<\/p>\n<\/li>\n<li data-start=\"1849\" data-end=\"1878\">\n<p data-start=\"1851\" data-end=\"1878\">\ud83e\udd22 <strong data-start=\"1854\" data-end=\"1863\">Anti-emetics and anti-diarrheals<\/strong>: to stabilize the gut and maintain nutrient absorption.<\/p>\n<\/li>\n<li data-start=\"1879\" data-end=\"1905\">\n<p data-start=\"1881\" data-end=\"1905\">\u26a1 <strong data-start=\"1883\" data-end=\"1892\">Anticonvulsants<\/strong>: to control seizures and muscle spasms.<\/p>\n<\/li>\n<li data-start=\"1906\" data-end=\"1961\">\n<p data-start=\"1908\" data-end=\"1961\">\ud83e\uddec <strong data-start=\"1911\" data-end=\"1934\">Immune stimulants (interferon-\u03c9)<\/strong>: can stimulate immune response in the early stages (currently considered a supplementary therapy).<\/p>\n<\/li>\n<\/ul>\n<blockquote data-start=\"1963\" data-end=\"2006\">\n<p data-start=\"1965\" data-end=\"2006\">\ud83d\udc36 Many dogs that recover from canine distemper may still experience lasting effects such as behavioral changes or hyperkeratosis, requiring long-term monitoring and care.<\/p>\n<p data-start=\"1965\" data-end=\"2006\"><\/blockquote>\n<p data-start=\"1965\" data-end=\"2006\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-6484\" src=\"https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/title-11.png\" alt=\"\" width=\"2240\" height=\"1260\" srcset=\"https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/title-11.png 2240w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/title-11-300x169.png 300w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/title-11-1024x576.png 1024w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/title-11-768x432.png 768w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/title-11-1536x864.png 1536w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/title-11-2048x1152.png 2048w, https:\/\/www.fluv.com\/tw\/wp-content\/uploads\/sites\/2\/2025\/10\/title-11-809x455.png 809w\" sizes=\"auto, (max-width: 2240px) 100vw, 2240px\" \/><\/p>\n<h2 data-start=\"2013\" data-end=\"2032\">Prevention and vaccination schedule for canine distemper<\/h2>\n<p data-start=\"2034\" data-end=\"2070\">Canine distemper is one of the <strong data-start=\"2039\" data-end=\"2051\">core vaccines for dogs<\/strong> and is highly effective at preventing infection. The recommended vaccination schedule is as follows:<\/p>\n<ul data-start=\"2072\" data-end=\"2134\">\n<li data-start=\"2072\" data-end=\"2093\">\n<p data-start=\"2074\" data-end=\"2093\">Puppies: one dose each at 6, 9, and 12 weeks of age<\/p>\n<\/li>\n<li data-start=\"2094\" data-end=\"2114\">\n<p data-start=\"2096\" data-end=\"2114\">Booster: one additional dose at 16 weeks of age<\/p>\n<\/li>\n<li data-start=\"2115\" data-end=\"2134\">\n<p data-start=\"2117\" data-end=\"2134\">Adult dogs: annual booster to maintain immunity<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2136\" data-end=\"2191\">\ud83d\udc89 The canine distemper vaccine is typically combined with parvovirus, infectious hepatitis, and adenovirus vaccines into a &#8220;5-in-1&#8221; or &#8220;6-in-1&#8221; vaccine, with a protection rate of up to 98%.<\/p>\n<h2 data-start=\"2091\" data-end=\"2105\">\u2753 Frequently asked questions (FAQ)<\/h2>\n<p data-start=\"2107\" data-end=\"2159\"><strong data-start=\"2107\" data-end=\"2124\">Q1: Can canine distemper spread to humans?<\/strong><br data-start=\"2124\" data-end=\"2127\" \/>No. The canine distemper virus only infects canines and has no zoonotic transmission.<\/p>\n<p data-start=\"2161\" data-end=\"2212\"><strong data-start=\"2161\" data-end=\"2181\">Q2: What&#8217;s the difference between canine distemper and parvovirus?<\/strong><br data-start=\"2181\" data-end=\"2184\" \/>Canine distemper affects the nervous and respiratory systems; parvovirus primarily causes enteritis and bloody diarrhea.<\/p>\n<p data-start=\"2214\" data-end=\"2270\"><strong data-start=\"2214\" data-end=\"2236\">Q3: Does a dog that has had canine distemper still need to be vaccinated?<\/strong><br data-start=\"2236\" data-end=\"2239\" \/>Although some antibodies are produced after infection, regular vaccination is still recommended to guard against viral variants.<\/p>\n<h2 data-start=\"2388\" data-end=\"2405\">Prevent early, protect your dog&#8217;s health<\/h2>\n<p data-start=\"2407\" data-end=\"2487\">Once a dog is infected with canine distemper, treatment is lengthy and the mortality rate is high.<br data-start=\"2425\" data-end=\"2428\" \/>The most effective approach is to <strong data-start=\"2435\" data-end=\"2445\">vaccinate early<\/strong> and avoid close contact with unfamiliar dogs.<br data-start=\"2458\" data-end=\"2461\" \/>If your dog shows warning signs such as fever, runny nose, or seizures, take them to the vet immediately.<\/p>\n<div style=\"background-color: #FFFAF0; border: 2px dashed #FFA500; padding: 30px; border-radius: 15px; margin-top: 40px; text-align: center;\">\n<h2 id=\"section8\" style=\"color: #E67E22; margin-top: 0;\">Fluv special offers | Limited-time deals for devoted pet owners<\/h2>\n<p style=\"color: #666; font-style: italic;\">#Give your pet the best \u2014 and the most fitting<\/p>\n<p>If you want to give your pet a more personalized, home-like care experience, why not try Fluv&#8217;s in-home pet sitter service?<\/p>\n<div style=\"background-color: #fff; padding: 20px; border-radius: 10px; margin: 20px 0;\">\n<p style=\"margin: 0; font-size: 1.1em;\">\ud83c\udf81 <strong>New users: enter promo code<\/strong><\/p>\n<p style=\"font-size: 2em; color: #D35400; font-weight: bold; margin: 10px 0;\">NEW95<\/p>\n<p style=\"margin: 0;\">Book now and enjoy <strong>5% off<\/strong> your first booking!<\/p>\n<\/div>\n<p>\ud83d\udc49 Looking for a caring, professional pet sitter for your furry friend?<\/p>\n<div style=\"margin-top: 20px;\"><a style=\"background-color: #E67E22; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; font-weight: bold; display: inline-block;\" href=\"https:\/\/www.fluv.com\/tw\/zh-tw\/download\" target=\"_blank\" rel=\"noopener\">Download the Fluv app now<\/a><\/div>\n<\/div>\n<p>Views: 3177<\/p>","protected":false},"excerpt":{"rendered":"<p>Canine Distemper Virus (CDV) is a deadly viral disease in dogs that attacks the respiratory, digestive, and nervous systems. Learn symptoms, treatment, and how to protect your dog.<\/p>","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4,2443],"tags":[2452,2447,1353,2449,2448,2450,2451],"class_list":["post-6479","post","type-post","status-publish","format-standard","hentry","category-pet-health","category-dog-health","tag-2452","tag-2447","tag-1353","tag-2449","tag-2448","tag-2450","tag-2451"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/posts\/6479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/comments?post=6479"}],"version-history":[{"count":7,"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/posts\/6479\/revisions"}],"predecessor-version":[{"id":6633,"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/posts\/6479\/revisions\/6633"}],"wp:attachment":[{"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/media?parent=6479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/categories?post=6479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fluv.com\/tw\/en\/blog\/wp-json\/wp\/v2\/tags?post=6479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}