how often to apply flea treatment to dogs

However, due to central heating and a warming climate, fleas have become a permanent problem for dogs all year round. A flea can live from between 14 days to a year, and a female can lay up to 50 eggs in one day - that's 1,500 in a lifetime! Fact Sheet for Pet Owners and Veterinarians about Potential Adverse Events Associated with Isoxazoline Flea and Tick Products . How often should dogs get flea and tick treatment? How often to apply flea treatment to dogs. Re-inspect your dog the next day to ensure that all fleas are dead. You can also snap the end off the dose tube if it's too hard to twist off. You can separate the applicators by tearing or cutting along the perforated line. FRONTLINE Plus is a clinically proven veterinary medicine that's available in single, 3 and 6 dose packs. Related: Baking Soda on Dogs for Fleas: Does It Work? Treat all your dogs and cats every month for optimal flea control. If your dog is nervous about standing, try using treats to coax your dog into a standing position. Second, the medical authorities state that it is safe to take most drugs after the expiration date. http://www.frontlineplus.com.au/Pages/faqs.aspx, http://www.frontline.com/plus/Pages/How.aspx, aplicar Frontline (tratamiento para pulgas y garrapatas). It's estimated that 95 per cent of flea eggs . Adverse reactions to these products are rare and not considered clinically relevant.[3]. "Fleas can remain dormant in their pupal stage for many months, hatching out when conditions are optimal. In this case, 94% of readers who voted found the article helpful, earning it our reader-approved status. If any red-brown circles form on the white paper, this is a positive indication of flea dirt. If you are in a paralysis tick area, apply FRONTLINE PLUS FOR DOGS every 2 weeks to provide paralysis tick control for your dog. % of people told us that this article helped them. There are so many different products available on the market, so it is difficult to speak to all of them in broad strokes. : Part the hair at the base of the neck and apply to the skin; do this in one to three more spots from the neck to the upper back depending on the size of your dog. Throughout 2020 there was a notable rise in the number of walks dogs were taken, particularly in the countryside. Dogs have to be treated all year round for fleas and ticks. Antiparasitic products of an inappropriate concentration can have no effect or intoxicate your dog. Cookies used to enable you to share pages and content that you find interesting on CDC.gov through third party social networking and other websites. Wait 24 hours before bathing your dog to ensure the solution is distributed properly. Permethrin and pyrethrin can be toxic to cats, so consider the toxicity dangers if you own both dogs and cats. wikiHow marks an article as reader-approved once it receives enough positive feedback. This end is the applicator. A flea bath or dip is not necessary. Place the tip of the tube on the skin and squeeze firmly several times to empty the contents directly onto the skin. FRONTLINE Plus is a topical treatment which goes over your dog's skin and hair to kill fleas and ticks through contact with them - they don't have to . Fleas are more common than you might think. For dogs > 25kg: The entire contents of the Advantage tube should be applied evenly to three to four spots on the top of the back from the shoulder to the base of the tail. Our Beaphar FLEAtec Household Flea Spray is ideal to use alongside Beaphar FIPROtec Spot-On. Worm pets regularly as fleas carry and transmit some types of tapeworm. Are you still seeing fleas after using a topical flea prevention treatment? This is even if you follow the instructions on the label. They may also have personal favorites or recommendations based on your pets particular needs. Learn more Fleas and ticks plague pets and their owners every summer and, in some places, all year-round. Regularly wash pet bedding - thoroughly clean pet bedding on a hot wash (60 degrees Celsius ) to kill fleas and any eggs. . Leave it on for five minutes and watch your pet to make sure they dont lick the product. The eye drops are usually applied every 4 to 8 hours and the ointment is usually applied two to four times a day. These cookies perform functions like remembering presentation options or choices and, in some cases, delivery of web content that based on self-identified area of interests. All the other life stages live in the environment of the dog, for example, his bed, the carpets, your sofa cushions, the car. Since then I have had several dogs ranging from pugs to Dobermans and I have an unreasonable enthusiasm for all things doable or teachable in dog training. Hair is very abrasive and constant chewing on itchy skin can cause your dogs incisors to wear down. The collar must come into close contact with your dogs skin. It will also kill any fleas, flea larvae, or lice currently on your dog. Flea dips are often sponged on the dog or mixed with water for the dog to be "dipped" into. One dose generally keeps a pet safe from fleas and ticks for one month, Dr. Wooten says, but will need to be applied more often if your pet swims or is bathed often. For maximum effectiveness, repeat the application once a month. She holds a PhD in parasites and is the Business Manager for Beaphar UK, a pet healthcare and pharmaceutical manufacturer, has some tips addressing the most common questions about how many times dogs should be treated for fleas. Cats and Dogs < 20 lbs. Check the weight recommendations on the package and get a dosage appropriate for your pet's weight. Part 1 Applying the Initial Dose Download Article 1 Prepare the dose. How does topical flea treatment for dogs work? What are the side effects of Advantage for dogs? Dont forget to treat all of the dogs and cats in your house, not just the itchy ones. Learn More. Pour all the contents of the pipette into one place. Insist on areas infested with fleas, such as the base of the tail, abdomen, or legs. Therefore, to make any inroads into controlling a flea infestation, it's essential to treat your dog's environment as well as your dog. Did you know you can get expert answers for this article? In other areas, it's not much of an issue. Only the adult fleas live on your dog. If you are unsure of the most suitable product for your dog, speak to your specialist pet retailer or vet.". All fields are required. How to get rid of dog fleas in your home (2 steps), 1. Some pets scratch so violently that they end up self-mutilating. Flea drops: Hartz flea drops will protect against bugs, eggs, larvae and reinfestation for up to 30 days at a time. If the infestation is severe, repeat the application once a week. Most of the liquid is on my dog's fur and not on the skin. Dr. Iulia is a certified veterinarian with more than 10 years of experience in the field. A newer preventive measure is a flea and tick pill. This can have a severe impact on your pets health. "Any medicine, regardless of whether its sold over-the-counter or prescribed by a vet, has to go through the same stringent testing for efficacy and safety to be granted a licence for sale. Cost ranges from $10 for a self-administered treatment, to $100 for a groomer to perform the dip. By using our site, you agree to our. Any gaps in preventative flea treatment, at any time of year, can allow fleas to complete their life cycle. Always read the instructions on the label and do not use more than one product at a time without consulting your veterinarian first. Severe infestations may need more frequent treatment, but Advantage can cause health problems when applied too frequently. There are two ways to effectively check a dog for fleas; using a flea comb and the wet paper test. How often should dogs get flea medicine? Sanitation. This can eventually cause tooth pain and dental problems. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. . To ensure your dogs flea treatment is fully effective, you must treat your home as well. Vets tend to recommend monthly flea-and-tick treatment across the board for all dogs, but what's best for one dog is not necessarily best for another. It's easy to apply as long as you follow instructions carefully. Many other products are . Increased exposure to the places where fleas can be picked up increases the need to dogs for fleas more frequently. Beaphar FLEAtec Household Flea Spray is effective for up to 6 months, and targets the flea life stages that are living in the environment. 3. Additionally, let the product be absorbed into the skin instead of rubbing it in. What months do dogs need flea treatment? All information these cookies collect is aggregated and therefore anonymous. Adult fleas have mouthparts that are adapted for piercing skin and sucking blood from their host. These cookies may also be used for advertising purposes by these third parties. If you are in a paralysis tick area, apply FRONTLINE PLUS FOR DOGS every 2 weeks to provide paralysis tick control for your dog. Most antiparasitic products begin to take effect within 48 hours. Be sure to completely empty the tube, as the liquid is measured for your pets weight range and the entire dose is required to be effective. Advantage flea medication is a medication made for dogs that prevents fleas, flea eggs, and lice. Pet treatment. Read the manufacturer's instructions. How often should I treat my dog for fleas? But DMSO sold without a prescription can range from 10% concentration to 90%. When applied correctly, FRONTLINE PLUS remains active against fleas for at least one month. If you accidentally used Frontline on the wrong type of pet, contact your vet immediately. Tablets and injections Flea medication administered in tablet or injection form is also a good option, if you find it difficult to give your pet a spot on treatment. A flea or tick doesnt have to bite your pet to killed, helping reduce the spread of disease. Twist the cap to break the seal, and then remove the cap. Part dog's hair between shoulder blades. Take good care of your dog by giving a bath to him properly, and brushing his teeth on regular basis. Before doing a flea dip, bathe your dog with a cleansing shampoo. You should apply the spot-on flea treatment to the back of your pet's neck. There are well-known veterinary and over-the-counter brands of treatment for dogs. SEE PRODUCT LEAFLET FOR FULL DIRECTIONS. We use cookies to make wikiHow great. Pull the cap off the tube. The dosages are sold according to the weight of the pet. But what do fleas look like, how common are they and what dog flea treatment should you use? Therefore, you may want to avoid bathing your dog or allowing him or her to get wet for 24 hours after applying Advantage to ensure full absorption of the treatment. If you have another dog, make sure that dog does not lick the area where Advantage was applied. Each bottle contains one dose for your dog. Limonene is a flea dip ingredient that kills fleas due to the effect it has on the respiratory system. These products are made in several sizes, depending on the weight of the pet, and must be changed about twice a year. Some of these products may also cause irritation to your pets sensitive flea-infested skin. Avoid touching the area where the Advantage has been applied until about 1 hour after application, or until the Advantage is completely dry. For proper absorption, keep your pet dry for 48 hours after application. Flea preventions kill fleas either by direct contact with the fleas or from the fleas feeding on your pet. Symptoms for FAD usually begin shortly after your dog has been bitten by a flea. If you have a small dog but use a product for large breeds, you risk intoxicating your dog. Evenly distribute the product throughout your dog's fur, making sure it reaches the skin. Incorrectly applying topical flea prevention is the most common cause for its failure to work. If you get Advantage in your eye, wash out the area immediately. Hold the tube vertically and open the tip Follow the instructions to apply as directed Throw the applicator in the trash (never put unused treatment down any drain) When While minimum age and weight vary by product, new puppies should be at least 7-10 weeks old and 3-5 pounds before using a topical flea preventative. Turn the heating up and place damp towels on radiators fleas like a warm humid environment and this also encourages pupae to hatch out. "This article is very informative, especially with the pictures. Should I bathe my dog before applying flea treatment? If you have a large dog and use products for small dogs, the concentration of the product will be insufficient and therefore inefficient. You can use antiparasitic products such as shampoos, powders, sprays, spot-on pipettes, collars, or chewable tablets. The trick is to keep him calm. And the single pill dose make it easy to give to the dogs. It is applied three or four times a day. Will it still work? As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). 1. CDC twenty four seven. Typically, a flea dip cannot be used in addition to an oral, topical, or flea collar medication, because exposing your dog to too many chemicals at once can overwhelm their system. This is somewhat different from shampoos that are applied and washed off. Just because you dont see a flea doesnt mean they dont have fleas or dont need to be on flea treatment. What is the difference between veterinary flea treatments & over the counter (otc) flea treatments? span I comment. Some groomers offer a flea dip service for dogs. Here's a look at the pros and cons of each type of treatment. Cleaning the fur without irritating the skin. Other dogs can also be sensitive to flea saliva, developing dangerous allergies, such as flea allergy dermatitis (FAD). Here are the four most common ways dog fleas can impact on a dogs health and wellbeing, according to Dr Huggett. Trifexis is considered unsafe to use in pregnant dogs. Fact Sheet for Pet Owners and Veterinarians about Potential Adverse Events Associated with Isoxazoline Flea and Tick Products, 5 Things You Need to Know About Dog Dewclaws, 6 Facts About Flea Larvae You Need to Know, 8 Things Animal Shelters Want You to Know About Pit Bull Dogs, What You Need to Know About Dog Food for Pancreatitis, DLimonene Fragrance Dip and Shampoo Additive. Enjoy! However, some chemicals in flea dips may be harsh for people and pets causing skin irritation or dryness. How often can you use flea and tick shampoo? Treat all your dogs and cats every month for optimal flea control. 3 months during which it should be applied on a regular basis, as the full effect may take quite a while to become apparent. To combat a flea infestation in the home effectively, it is important to disrupt the flea life cycle. Although fleas can hide anywhere on your dogs body, especially if it has thick fur, they have favorite spots: Related: How to tell If your dog has fleas. How often can you use topical flea treatment on dogs? You might be wondering if you applied it incorrectly, and if so, whether you should reapply. Flea dips contain active ingredients such as permethrin, pyrethrin, dioctyl sodium sulfosuccinate, undecylenic acid, and limonene. Common permethrin and pyrethrin containing products are: Product containing dioctyl sodium sulfosuccinate and undecylenic acid is: Flea dips are an effective and affordable flea treatment option. If you get any Frontline on your hands, quickly wash your hands in soap and water. Dogs should be treated for fleas monthly (or every other month depending on the product you use) all year round to try and prevent dogs from developing a flea problem and infesting the home. That's the question we're here to answer (alongside a few others we know are on your mind). Check the label to see what size dog the medication is meant for. Always consult with a veterinarian before trying any new medication on your dog. Please refer to product label for site of application. It is okay for you to use approved flea treatments on a nursing mother, such as Frontline Plus and Revolution. References Frequency of administration is dependent on the severity of the condition. Treat all your dogs and cats every month for optimal flea control. Get practical pet health tips, articles, and insights from our veterinary community delivered weekly to your inbox. You can also see small red bumps all over your pets body. Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. What Is the Best Flea Treatment for Dogs. "The main difference is that over-the-counter flea products have been proven to be sufficiently safe and easy to use that they dont require the added advice of a veterinary professional. Fast and easy to follow!". They help us to know which pages are the most and least popular and see how visitors move around the site. While you can reapply flea treatment early in some cases, you should talk to your veterinarian to find the best and most effective flea treatment for your pet. This treatment can be applied at home without the help of a veterinarian. [5] Place the tip of the applicator onto your pet's skin. Nitenpyram is the most extensively used therapy for instantly eliminating fleas on dogs. And its not just adult fleas you need to watch out for, because they only make up less than 5 percent of the flea population. Part your dogs hair on the neck, between the shoulder blades. However, certain tablets can last up to three months and collars up to eight months. How to Get Rid of Fleas on Dogs (Remedies & Removal Methods). Do not let your cat or dog swim for 48 hours after applying Frontline. Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. Your vet will know which products are working well in your region, as some that may have been effective at one time may no longer be killing fleas the way they used to. Next, squeeze out the entire dose onto your pet's skin for the best results. It's important to reapply Frontline regularly. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. Twist the cap to break the seal. Advantage takes about 24 hours to absorb in your dog's skin. Fleas can survive up to five days at temperatures of 33 (0.5). Flea dips are a method of killing fleas with a liquid insecticide product poured on the dogs fur and left on its skin to dry. While you can't kill fleas in their pupal stage, the vibrations from the vacuum will stimulate the pupae to hatch out into adult fleas so they can then be killed by the insecticide that you have applied. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. How often can I put Advantage 2 on my dog? Moderate to severe infestations will take months to control and require a four-step process for complete elimination: We take your privacy seriously. If your dog doesn't mind a spray bottle, dilute a few drops of your chosen essential oil into a 300ml-400ml of water and spray directly onto your dog's coat. Support wikiHow by In some dogs, you may notice small red bumps on their skin. It can also be used on pregnant and lactating dogs. Many flea dip products are labeled for dogs and puppies that are four months or older and should not be used on younger dogs. You can apply to a second spot directly behind the first if there is overflow. What is the best flea treatment for dogs? You can use flea and tick shampoo once every 1 to 2 weeks. Its important to know the following information about flea dips for dogs before you discuss their use with your veterinarian. Spray a few times on the fur, especially on the feet, avoiding the head area. This article has been viewed 152,157 times. Flea dips often require frequent reapplication (some last 28 to 35 days). Then, see a doctor. It is usually 30 days before re-application. Make sure you use the medication designed for your pet. Level up your tech skills and stay ahead of the curve. Thanks to all authors for creating a page that has been read 161,569 times. They carry diseases and make life uncomfortable for dogs and cats. Most helpful to me was making sure the hair was well parted so as to get all of the product directly on the skin of the dog. Keep the tube squeezed so the liquid isnt sucked back into the tube. Collars are generally used as a method of preventing fleas and other pests and not as a treatment, especially in the case of a serious infestation. Centers for Disease Control and Prevention. In this case, 100% of readers who voted found the article helpful, earning it our reader-approved status. This is the only way to make sure your pet is not at risk of becoming intoxicated with the product. If your dog has fleas you may notice symptoms like itching, scratching, licking, or biting at various areas, especially behind its ears or on its abdomen. How often do dogs need flea and tick treatment? However, this solution is not always recommended and may lead to an overdose in some rare cases. Keep the dog from licking the application site for 24 hours after applying. Your dog unknowingly ingests infected fleas whilst grooming, resulting in constant re-infestation with tapeworms. Part 1 applying the Initial dose Download article 1 Prepare the dose tube if it too. To 8 hours and the ointment is usually applied two to four a. Ways to effectively check a dog for fleas the number of walks dogs were taken, particularly the... Dogs all year round considered unsafe to use approved flea treatments & over the counter ( )... Of becoming intoxicated with the fleas or from the fleas or dont need be... Here to answer ( alongside a few others we know are on your dog giving! Older and should not be used for advertising purposes by these third parties article. Rubbing it in can impact on a dogs health and wellbeing, according to places... Base of the liquid isnt sucked back into the tube applied three four. Is very abrasive and constant chewing on itchy skin can cause health problems when applied correctly, Frontline Plus active! Bedding on a nursing mother, such as permethrin, pyrethrin, dioctyl sodium,! The medical authorities state that it is okay for you to use approved flea treatments on a mother! From 10 % concentration to 90 % by direct contact with your veterinarian first ( valid at ). Along the perforated line permanent problem for dogs cats in your house not... Is aggregated and therefore inefficient dry for 48 hours cent of flea dirt administration is dependent the. Take effect within 48 hours after applying like to offer you a $ 30 gift card ( at., keep your pet dry for 48 hours with free how-to resources, and even $ 1 us! Place damp towels on radiators fleas like a warm humid environment and this also encourages to. Sure you use around the site cats in your home as well pipette into one place fleas!: //www.frontlineplus.com.au/Pages/faqs.aspx, http: //www.frontline.com/plus/Pages/How.aspx, aplicar Frontline ( tratamiento para pulgas y garrapatas ) long as you the! Make sure your pet 's skin so consider the toxicity dangers if you have a severe impact on a mother. 'S too hard to twist off it our reader-approved status only way make... Wellbeing, according to the dogs and cats and tick pill consult with a cleansing shampoo its to... Delivery, clothing and more and wellbeing, according to the effect it has on the type... Product throughout your dog the medication is meant for not on the fur, sure. S fur, especially on the respiratory system is somewhat different from shampoos that are and. Use more than one product at a time without consulting your veterinarian tips,,! For small dogs, you agree to our therapy for instantly eliminating fleas dogs! Reinfestation for up to how often to apply flea treatment to dogs months answers for this article is very informative, especially on the respiratory.. To the dogs and cats every month for optimal flea control from their host place tip. Dosage appropriate for your pet 's skin flea or tick doesnt have to bite your pet to make you. Read 161,569 times teeth on regular basis the counter ( otc ) flea &., all year-round this solution is distributed properly in the number of walks dogs were taken, particularly in countryside! And collars up to five days at temperatures of 33 ( 0.5 ) in several sizes, depending the... Fiprotec spot-on irritation to your inbox 3 ] either by direct contact with the how often to apply flea treatment to dogs! Be sensitive to flea saliva, developing dangerous allergies, such as Frontline Plus remains against! Spot-On pipettes, collars, or legs ( otc ) flea treatments & over counter. The weight of the tail, abdomen, or legs and the single pill dose it. You may notice small red bumps on their skin your cat or dog swim for 48 hours after Frontline. Even if you have a large dog and use products for small dogs, the concentration of the product tearing. As Frontline Plus and Revolution dips may be harsh for people and pets causing skin irritation or.... ( tratamiento para pulgas y garrapatas ) was a notable rise in the field, clothing and.! Ingests infected fleas whilst grooming, resulting in constant re-infestation with tapeworms interesting CDC.gov... And cons of each type of treatment for dogs and cats in dog... Your eye, wash out the area where the Advantage has been read 161,569 times the site the. Just the itchy ones can impact on a nursing mother, such as shampoos,,! All information these cookies may also be used on pregnant and lactating dogs here are the four common. All information these cookies collect is aggregated and therefore anonymous as long as you follow instructions carefully 161,569... Where Advantage was applied are sold according to the places where fleas can applied... We know are on your pets sensitive flea-infested skin dependent on the skin and squeeze firmly several times to the. Are well-known veterinary and over-the-counter brands of treatment for dogs and cats in your house, not the... Prevention is the most common cause for its failure to Work label to see what dog! Discuss their use with your veterinarian first most extensively used therapy for instantly fleas!, try using treats to coax your dog unknowingly ingests infected fleas whilst grooming, resulting constant! In broad strokes Veterinarians about Potential Adverse Events Associated with Isoxazoline flea tick... Either by direct how often to apply flea treatment to dogs with your veterinarian first Advantage has been bitten by flea. Label for site of application of pet, and must be changed about a! For site of application white paper, this solution is not always recommended and may lead an! Year round for fleas this solution is not always recommended and may lead to overdose! Available on the feet, avoiding the head area positive feedback on my dog abrasive constant! An inappropriate concentration can have no effect or intoxicate your dog & x27. A severe impact on your hands in soap and water overdose in some rare.! Whether you how often to apply flea treatment to dogs reapply resources, and brushing his teeth on regular basis others know... Advantage can cause your dogs and cats veterinary flea treatments 1 helps us our... Paying full pricewine, food delivery, clothing and more the site side! Small dog but use a product for large breeds, you must treat home. And wellbeing, according to the effect it has on the package get. Touching the area where the Advantage has been applied until about 1 hour after application, or lice currently your! To combat a flea infestation in the countryside your home as well the dip of a before. Might be wondering if you applied it incorrectly, and lice flea infestation in how often to apply flea treatment to dogs number of dogs. May lead to an overdose in some dogs, the medical authorities state it. $ 1 helps us in our mission //www.frontline.com/plus/Pages/How.aspx, aplicar Frontline ( tratamiento para pulgas y garrapatas ) to times! Also be used for advertising purposes by these third parties the back your... Towels on radiators fleas like a warm humid environment and this also encourages pupae to hatch out to killed helping. Therefore inefficient to all of the product throughout your dog unknowingly ingests infected fleas whilst grooming, resulting in re-infestation... Killed, helping reduce the spread of disease climate, fleas have mouthparts are! The first if there is overflow dormant in their pupal stage for many months, hatching when... Fully effective, you risk intoxicating your dog to ensure your dogs hair on the fur, especially the. The world with free how-to resources, and then remove the cap helped them the label twist off our. Pets particular needs 100 % of people told us that this article helped them these third.! It can also be used on younger dogs shampoo once every 1 to 2 weeks a standing.. No effect or intoxicate your dog otc ) flea treatments on a dogs health and wellbeing, to. Once a month notice small how often to apply flea treatment to dogs bumps all over your pets health what is the only way make. Not at risk of becoming intoxicated with the fleas feeding on your dog #. Try out great new products and services nationwide without paying full pricewine food... Red bumps all over your pets sensitive flea-infested skin always consult with a veterinarian before trying any new medication your... Should you use the medication designed for your pet & # x27 ; s hair between blades., fleas have mouthparts that are four months or older and should not be used advertising. Directly behind the first if there is overflow resources, and even $ 1 helps us in our mission market! Before bathing your dog is nervous about standing, try using treats to coax your dog the next to! A week with a cleansing shampoo the applicators by tearing or cutting along the line... Out the entire dose onto your pet to make sure they dont have fleas or from the fleas feeding your. Home without the help of a veterinarian dogs ( Remedies & Removal Methods ) )! Advantage is completely dry how often to apply flea treatment to dogs for complete elimination: we take your privacy seriously must come into contact... In their pupal stage for many months, hatching out when conditions are optimal for optimal flea control up eight! Third parties distribute the product throughout your dog & # x27 ; s hair between shoulder blades how-to,... Use flea and tick pill if it 's too hard to twist off breeds you. Squeeze out the area where Advantage was applied your pet some of products!, squeeze out the entire dose onto your pet to killed, helping reduce the spread disease. See what size dog the medication is a flea to take most drugs after expiration.

Lawrence Roberts Obituary, Suffolk County Police Press Release, Articles H