{"id":1642,"date":"2022-09-06T03:33:10","date_gmt":"2022-09-06T03:33:10","guid":{"rendered":"https:\/\/www.petsmao.com\/?p=959"},"modified":"2026-07-21T13:34:29","modified_gmt":"2026-07-21T13:34:29","slug":"how-much-benadryl-can-i-give-my-dog","status":"publish","type":"post","link":"https:\/\/www.walkiesandwhiskers.com\/uk\/how-much-benadryl-can-i-give-my-dog\/","title":{"rendered":"How Much Benadryl Can I Give My Dog?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Dogs are wonderfully curious, energetic creatures. But even the most loyal of these four-legged companions can sometimes make some bad choices, and end up in a situation that they probably shouldn\u2019t. Sometimes it\u2019s running through poison ivy, or getting stung by a bee. There are a lot of different circumstances that might lead your dog to have some kind of allergic reaction.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether they end up itchy, uncomfortable or even swollen, you want to be able to make your pooch feel better. But if you can avoid going to the vets, that\u2019s going to be preferable.&nbsp;Now, you certainly want to call a vet, just to make sure that it\u2019s not serious. With their guidance, you should be able to give your dog some Benadryl and get him back up on his feet in time.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here is a brief guide to how much Benadryl you should give to your dog, but always make sure that you check with your vet first that it\u2019s okay, and if you\u2019re unsure about how much even after you\u2019ve read this, please make sure you call a professional, rather than guess.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"540\" height=\"720\" src=\"https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/09\/black-and-white-border-collie-stockpack-unsplash-540x720.jpg\" alt=\"How Much Benadryl Can I Give My Dog?\" class=\"wp-image-1846\" srcset=\"https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/09\/black-and-white-border-collie-stockpack-unsplash-540x720.jpg 540w, https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/09\/black-and-white-border-collie-stockpack-unsplash-285x380.jpg 285w, https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/09\/black-and-white-border-collie-stockpack-unsplash-768x1024.jpg 768w, https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/09\/black-and-white-border-collie-stockpack-unsplash-1152x1536.jpg 1152w, https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/09\/black-and-white-border-collie-stockpack-unsplash-1536x2048.jpg 1536w, https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/09\/black-and-white-border-collie-stockpack-unsplash-9x12.jpg 9w, https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/09\/black-and-white-border-collie-stockpack-unsplash-1568x2091.jpg 1568w, https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/09\/black-and-white-border-collie-stockpack-unsplash-scaled.jpg 1920w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/figure>\n<\/div>\n\n<h2 class=\"simpletoc-title\">Table of Contents<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#what-is-benedryl\">What Is Benadryl?<\/a>\n<\/li>\n<li><a href=\"#benedryl-dosage-based-on-size\">Benadryl Dosage Based On Size<\/a>\n<\/li>\n<li><a href=\"#if-using-human-tablets-keep-this-in-mind\">If Using Human Tablets, Keep This In Mind<\/a>\n<\/li>\n<li><a href=\"#risks-of-giving-your-dog-benedryl\">Risks Of Giving Your Dog Benadryl<\/a>\n\n<ul>\n<li><a href=\"#other-side-effects\">Other Side Effects<\/a>\n<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#bottom-line\">How Much Benadryl Can I Give My Dog? &#8211; The Bottom Line<\/a>\n<\/li>\n<li><a href=\"#faqs\">FAQs<\/a>\n<\/li><\/ul>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-benedryl\">What Is Benadryl?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.webmd.com\/drugs\/2\/drug-5680\/benadryl-oral\/details\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Benadryl<\/a>, or diphenhydramine, is an antihistamine that helps relieve symptoms of allergic reactions in humans, as well as in animals. It can also be used to help alleviate motion sickness in dogs if you need to take them on a long trip. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, it can also sometimes have the opposite affect. So you should never give you pet medicine like this without talking to your vet first.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the majority of dogs, Benadryl is going to be perfectly safe. It&#8217;ll relieve their swelling or rashes in just a couple of hours. But getting the dosage right is important. Dogs are generally a lot smaller than humans, and therefore need a lot less than a grown human. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dogs also metabolize Benadryl at a different rate and in a different way. So generally it&#8217;s just a good idea to ignore the human guidelines when it comes to giving this medicine to your dog.&nbsp;<\/p>\n\n\n\n<div><a class=\"amalinkspro-img-link apilink\" href=\"https:\/\/www.amazon.com\/dp\/B0014CX4YW?tag=walkiesandwhiskers-20&amp;linkCode=osi&amp;th=1&amp;psc=1\" target=\"_blank\" rel=\"nofollow\" data-alp-asin=\"B0014CX4YW\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51LYxdEfFaL._SL500_.jpg\" height=\"500\" width=\"500\" alt=\"Benadryl Liqui-Gels Antihistamine Allergy Medicine &amp; Cold Relief, Dye Free, 24 ct\" \/><\/a><\/div>\n\n\n\n<div><style type=\"text\/css\">.amalinkspro-cta-wrap.cta-id-DefaultCTAButton .amalinkspro-cta-btn{border:none;\n\t\t\t\t\t\t\t\tborder-radius: 360px;\n\t\t\t\t\t\t\t\tbox-shadow: 0 1px 0 rgba(255,255,255,0.4) inset;\n\t\t\t\t\t\t\t\tbackground: #f0c14b;\n\t\t\t\t\t\t\t\tbackground: linear-gradient(to bottom, #f7dfa5, #f0c14b) repeat scroll 0 0 rgba(0,0,0,0);\n\t\t\t\t\t\t\t\tcolor: #111;\n\t\t\t\t\t\t\t\tpadding: 15px 30px;\n\t\t\t\t\t\t\t\tfont-size: 16px;\n\t\t\t\t\t\t\t\tfont-weight: bold;\n\t\t\t\t\t\t\t\ttransition: all 100ms;\n\t\t\t\t\t\t\t\tdisplay: inline-block;\n\t\t\t\t\t\t\t\tposition: relative;\n\t\t\t\t\t\t\t\ttext-align: center;\n\t\t\t\t\t\t\t\twidth: auto;\n\t\t\t\t\t\t\t\tmin-height: 50px;\n\t\t\t\t\t\t\t\tline-height: 50px;\t\t\n\t\t\t\t\t\t\t\ttext-decoration: none;\n\t\t\t\t\t\t\t\tfont-family:'poppinsregular';}.amalinkspro-cta-wrap.cta-id-DefaultCTAButton .amalinkspro-cta-btn:hover{background: linear-gradient(to bottom, #f5d78e, #eeb933) repeat scroll 0 0 rgba(0,0,0,0);}<\/style><span class=\"amalinkspro-cta-wrap aligncenter cta-id-DefaultCTAButton\"><a href=\"https:\/\/www.amazon.com\/dp\/B0014CX4YW?tag=walkiesandwhiskers-20&amp;linkCode=osi&amp;th=1&amp;psc=1\" class=\"amalinkspro-cta-btn apilink\" target=\"_blank\" rel=\"nofollow\" data-alp-asin=\"noasin\">Buy on Amazon<\/a> <span style=\"position:absolute;\" class=\"alp-prime-eligible-tag\"><span class=\"alp-prime-eligible-tag-top\">Prime<\/span><span class=\"alp-prime-eligible-tag-bottom\">eligible<\/span><\/span><\/span><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"benedryl-dosage-based-on-size\">Benadryl Dosage Based On Size<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The correct dosage of <a href=\"https:\/\/vcahospitals.com\/know-your-pet\/diphenhydramine\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">diphenhydramine for dogs<\/a> depends mostly on their weight. Therefore, a small dog is going to need a significantly smaller dose of medication than a big dog to get the same positive results.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The generally agreed upon amount is about 2mg of medication per kilogram of weight. This amount can be administered two to three times daily if needed, but don\u2019t go above three does in 24 hours.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So for example, if your dog weighs 25lbs (11.3kg) the does of Benadryl would be 22.6mg, but could be upped to 25 to make it easier, as Benadryl tablets are available in 25mg versions.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s definitely best to only give your pet vet-approved Benadryl tablets or ointments, but there are some cases in which it\u2019s possible to give them tablets that have been intended for humans. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However there are some pretty important things to keep in mind if you\u2019re going to do that.&nbsp;<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"if-using-human-tablets-keep-this-in-mind\">If Using Human Tablets, Keep This In Mind<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">First of all, you must make sure that you\u2019re giving your dog a tablet that has <strong>only diphenhydramine<\/strong> in it, and <strong>no other active ingredients<\/strong>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Never <\/em>give your dog anything that has <a href=\"https:\/\/canigivemydog.com\/decongestants\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">decongestants<\/a> or <a href=\"https:\/\/www.masterclass.com\/articles\/can-dogs-drink-alcohol#:~:text=Dogs%20cannot%20metabolize%20alcohol%2C%20so,low%20body%20temperature%20in%20dogs.\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">alcohol<\/a> in it. These can be seriously toxic to your furry pal.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Next, you\u2019ll need to<strong> avoid slow-release capsules<\/strong>. Dog\u2019s stomachs work differently to a human\u2019s. A capsule that would work well for us, isn\u2019t going to work well for a dog. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plus, if your dog happens to bite the capsule on the way down, they\u2019ll get the whole dosage at the same time, rather than slowly, which could be an overdose.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For small dogs, it\u2019s probably going to be best to use children\u2019s Benadryl than Benadryl for adults, which would let you adjust the dose more carefully and not give your dog too much.&nbsp;<\/p>\n\n\n\n<div><a class=\"amalinkspro-img-link apilink\" href=\"https:\/\/www.amazon.com\/dp\/B071PBBT8T?tag=walkiesandwhiskers-20&amp;linkCode=osi&amp;th=1&amp;psc=1\" target=\"_blank\" rel=\"nofollow\" data-alp-asin=\"B071PBBT8T\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/m.media-amazon.com\/images\/I\/41jvf30k-0L._SL500_.jpg\" height=\"500\" width=\"500\" alt=\"Benadryl Children's Grape Chewables 20 ct. 2 Pack\" \/><\/a><\/div>\n\n\n\n<div><style type=\"text\/css\">.amalinkspro-cta-wrap.cta-id-DefaultCTAButton .amalinkspro-cta-btn{border:none;\n\t\t\t\t\t\t\t\tborder-radius: 360px;\n\t\t\t\t\t\t\t\tbox-shadow: 0 1px 0 rgba(255,255,255,0.4) inset;\n\t\t\t\t\t\t\t\tbackground: #f0c14b;\n\t\t\t\t\t\t\t\tbackground: linear-gradient(to bottom, #f7dfa5, #f0c14b) repeat scroll 0 0 rgba(0,0,0,0);\n\t\t\t\t\t\t\t\tcolor: #111;\n\t\t\t\t\t\t\t\tpadding: 15px 30px;\n\t\t\t\t\t\t\t\tfont-size: 16px;\n\t\t\t\t\t\t\t\tfont-weight: bold;\n\t\t\t\t\t\t\t\ttransition: all 100ms;\n\t\t\t\t\t\t\t\tdisplay: inline-block;\n\t\t\t\t\t\t\t\tposition: relative;\n\t\t\t\t\t\t\t\ttext-align: center;\n\t\t\t\t\t\t\t\twidth: auto;\n\t\t\t\t\t\t\t\tmin-height: 50px;\n\t\t\t\t\t\t\t\tline-height: 50px;\t\t\n\t\t\t\t\t\t\t\ttext-decoration: none;\n\t\t\t\t\t\t\t\tfont-family:'poppinsregular';}.amalinkspro-cta-wrap.cta-id-DefaultCTAButton .amalinkspro-cta-btn:hover{background: linear-gradient(to bottom, #f5d78e, #eeb933) repeat scroll 0 0 rgba(0,0,0,0);}<\/style><span class=\"amalinkspro-cta-wrap aligncenter cta-id-DefaultCTAButton\"><a href=\"https:\/\/www.amazon.com\/dp\/B071PBBT8T?tag=walkiesandwhiskers-20&amp;linkCode=osi&amp;th=1&amp;psc=1\" class=\"amalinkspro-cta-btn apilink\" target=\"_blank\" rel=\"nofollow\" data-alp-asin=\"noasin\">Buy on Amazon<\/a> <span style=\"position:absolute;\" class=\"alp-prime-eligible-tag\"><span class=\"alp-prime-eligible-tag-top\">Prime<\/span><span class=\"alp-prime-eligible-tag-bottom\">eligible<\/span><\/span><\/span><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"risks-of-giving-your-dog-benedryl\">Risks Of Giving Your Dog Benadryl<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Whilst the right dose of dose of Benadryl should be safe for the majority of dogs, it is possible that they could be allergic to the medication itself. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An allergy to diphenhydramine will have similar symptoms to other allergies, depending on the severity. These reactions could include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Swelling of the face or tongue<\/li>\n\n\n\n<li>Diarrhea, vomiting, upset stomach<\/li>\n\n\n\n<li>Skin Chewing\/licking<\/li>\n\n\n\n<li>Red Rashes on skin<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Any symptom should be noticeable within the first hour after giving the medication, so keep an eye on your dog in case there are any changes. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you do see signs of an allergic reaction, <strong><a href=\"https:\/\/www.walkiesandwhiskers.com\/uk\/how-often-should-i-take-my-dog-to-the-vet\/\">call your vet<\/a><\/strong> immediately.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/www.walkiesandwhiskers.com\/wp-content\/uploads\/2022\/02\/Risks-Of-Giving-Your-Dog-Benedryl.jpg\" alt=\"Risks Of Giving Your Dog Benedryl\" class=\"wp-image-969\"\/><\/figure>\n<\/div>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"other-side-effects\">Other Side Effects<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">There are other, milder symptoms that your dog may experience, similar to what you may experience as a human. These include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sleepiness<\/li>\n\n\n\n<li>Dry mouth<\/li>\n\n\n\n<li>Rapid breathing<\/li>\n\n\n\n<li>Hypersalivation&nbsp;<\/li>\n\n\n\n<li>Increased heart-rate<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Generally these side effects should be fine, but again, just keep a close eye on your dog to make sure that they\u2019re healthy.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The most important thing that you want to make sure you\u2019re aware of is a <a href=\"https:\/\/missouripoisoncenter.org\/benadryl-overdose\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Benadryl overdose<\/a>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ignoring any of the guidelines laid out here could result in your dog overdosing, which could lead to seizures, respiratory failure, or even a coma, depending on how much of an overdose they have experienced.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you believe that your dog may have overdosed, you need to call your vet immediately.&nbsp;<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"bottom-line\">How Much Benadryl Can I Give My Dog? &#8211; The Bottom Line<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">So long as you consult your veterinarian, giving your dog vet-approved Benadryl shouldn\u2019t cause any issues. However you do want to make sure that you give them the correct dosage, and don\u2019t give them too much.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter 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=\"Benadryl Dosage For Dogs Guide\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/RWf1rC6Ras0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"faqs\" class=\"wp-block-heading\">FAQs<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1692028939506\"><strong class=\"schema-faq-question\">What does too much Benadryl do to a dog?<\/strong> <p class=\"schema-faq-answer\">One of the common side effects of Benadryl is sedation. While this can be useful for calming anxious dogs or helping them sleep during travel, excessive sedation can make your dog lethargic or excessively drowsy. Always consult your veterinarian before giving any medication to your dog, including over-the-counter options like Benadryl.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1692028943453\"><strong class=\"schema-faq-question\">How long does Benadryl last in dogs?<\/strong> <p class=\"schema-faq-answer\">The effects of Benadryl typically last for about 4 to 8 hours in dogs.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>Dogs are wonderfully curious, energetic creatures. But even the most loyal of these four-legged companions can sometimes make some bad choices, and end up in a situation that they probably shouldn\u2019t. Sometimes it\u2019s running through poison ivy, or getting stung by a bee. There are a lot of different circumstances that might lead your dog&hellip; <a class=\"more-link\" href=\"https:\/\/www.walkiesandwhiskers.com\/uk\/how-much-benadryl-can-i-give-my-dog\/\">Continue reading <span class=\"screen-reader-text\">How Much Benadryl Can I Give My Dog?<\/span><\/a><\/p>","protected":false},"author":2,"featured_media":1844,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[25,30],"tags":[],"class_list":["post-1642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dogs","category-dog-health","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Much Benadryl Can I Give My Dog? - Walkies and Whiskers<\/title>\n<meta name=\"description\" content=\"Benadryl is a common over-the-counter antihistamine that can be used to treat a variety of conditions in dogs.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.walkiesandwhiskers.com\/uk\/how-much-benadryl-can-i-give-my-dog\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Much Benadryl Can I Give My Dog? 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While this can be useful for calming anxious dogs or helping them sleep during travel, excessive sedation can make your dog lethargic or excessively drowsy. 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