FAQs

Depending on temperature and humidity, flea development from egg to adult can vary from less than 2 weeks (in summer) to well over 6 months (in winter). Existing pupal fleas in their cocoons are protected and need to develop and emerge as new fleas before they can be killed.

Our EPA-approved FRONTLINE products have no expiration date. Simply store the product in the original packaging.

Addressing flea eggs is crucial in the battle against flea infestations, as neglecting these tiny yet resilient entities can undermine any effort to eliminate adult fleas. Flea eggs are tiny, non-sticky, and well-hidden in the environment, often nestled in carpets, bedding, and crevices. Overlooking their tested medication allows them to hatch into larvae and eventually mature into adult fleas, perpetuating the infestation cycle. By solely targeting adult fleas, one may overlook a significant portion of the population, leading to a persistent problem. Attending to flea eggs is vital for comprehensive pest control, ensuring that both current and potential threats are addressed, thereby breaking the reproductive cycle and preventing reinfestations. Tested medications that address multiple stages of the flea life cycle are key to achieving lasting success in managing flea infestations and maintaining a pest-free environment.

For any specific product questions, please call Boehringer Ingelheim Animal Health at 1-888-637-4251.

Signs of fleas on dogs include excessive scratching, biting, and chewing, along with visible tiny dark specks (flea dirt) in their fur, and sometimes red, irritated skin or hair loss. It’s essential to recognize these signs early to prevent flea infestations and their potential health issues for your dog.

If dogs go unprotected from fleas, it can lead to a range of health problems, including skin irritations, allergic reactions, anemia due to blood loss, and the potential spread of diseases. Timely flea control is crucial to ensure the well-being of your dog and prevent these complications.

Yes, even indoor-only dogs can become exposed to fleas. Adult fleas can hitch a ride on your clothing, get into your home, and then on your dog. Even if your dog only goes outside in your fenced-in backyard, that fence won’t keep out wildlife that can carry fleas. Your dog can still be exposed to fleas in your yard, especially in areas protected from the sun, like under bushes and in crawlspaces.

Yes. Although the likelihood of your dog being affected by fleas decreases in the winter months, they can still pose a threat to your dog. Fleas also continue to develop indoors, thanks to warmer indoor temperatures. Therefore, dogs can be exposed to fleas in the winter months. It is important to protect your pet throughout the year.

If you don’t promptly remove a tick from a dog, it can continue to feed on the dog’s blood and it increases the potential for transmission of diseases, such as Lyme disease. Delayed tick removal may increase the risk of health issues for your pet, so it’s essential to remove ticks as soon as possible. Even a dead tick attached to a dog can lead to or prolong tick paralysis, with the dog not recovering until the tick is removed. Tick paralysis is not reported in cats.

Several tick species can be dangerous to dogs, with some of the most notable ones being the deer tick, American dog tick, brown dog tick, and lone star tick. These ticks can transmit various diseases, including Lyme disease, anaplasmosis, babesiosis, ehrlichiosis, and Rocky Mountain spotted fever, making it crucial to protect dogs from these potential health threats.

External parasites in dogs are organisms that live on or in the dog’s skin, fur, or ears, causing various health issues. Common external parasites include fleas, ticks, mites, lice, and mosquitoes (mosquitoes are not technically parasites, but still get nutrition from the blood of your animal), which can lead to skin irritation, discomfort, and the spread of diseases if not effectively managed.

You are likely seeing NEW fleas on your pet, which are jumping on your pet as it moves through infested areas in and around your home. Depending on the severity of the existing infestation, you may continue to see new fleas jumping on your pet for 3 months or more.

FRONTLINE Brand Products are primarily designed to kill fleas and ticks that are already on your dog. When used monthly they work by disrupting the parasites’ nervous system and preventing them from reproducing. While they can help control infestations, these products may not necessarily deter fleas from initially jumping onto your dog.

If you don’t promptly remove a tick from a cat, it can continue to feed on the cat’s blood and it increases the potential for transmission of diseases, such as Lyme disease. Delayed tick removal may increase the risk of health issues for your pet, so it’s essential to remove ticks as soon as possible.

Several tick species can be dangerous to cats, including the American dog tick, brown dog tick, and lone star tick. These ticks can transmit diseases like cytauxzoonosis, anaplasmosis, and ehrlichiosis, which can pose significant health risks to cats. It’s important to protect your cat from these ticks and the potential diseases they carry.

External parasites in cats are organisms that live on or in the cat’s skin, fur, or ears, causing various health issues. Common external parasites include fleas, ticks, mites, lice, and mosquitoes (mosquitoes are not technically parasites, but still get nutrition from the blood of your animal), which can lead to skin irritation, discomfort, and the spread of diseases if not effectively managed.

Yes. Although the likelihood of your cat being affected by fleas decreases in the winter months, they can still pose a threat to your cat. Fleas also continue to develop indoors, thanks to warmer indoor temperatures. Therefore, cats can be exposed to fleas in the winter months. It is important to protect your pet throughout the year.

Cats can get fleas through contact with infested animals, exposure to flea-infested environments, or even from fleas hitchhiking indoors. To get rid of fleas on your cat and in your home, use veterinarian-recommended flea treatments like FRONTLINE Brand Products for your cat monthly, clean your home thoroughly, use flea control products, wash and treat other pets, maintain consistent flea prevention, and consult your veterinarian if needed.

If cats go unprotected from fleas, it can cause itching, skin irritation, and discomfort. Infestations may lead to allergic reactions, anemia, and the transmission of diseases. In severe cases, fleas can result in skin infections and behavioral changes in cats. Addressing fleas promptly is essential to prevent these issues.

Yes, indoor cats can still get fleas, especially if you have other pets or if fleas are brought in on your clothing. It’s advisable to use flea prevention methods like FRONTLINE Brand Products monthly for your cat to avoid infestations. Consult with your veterinarian to choose the most appropriate preventive measures.

You are likely seeing NEW fleas on your pet, which are jumping on your pet as it moves through infested areas in and around your home. Depending on the severity of the existing infestation, you may continue to see new fleas jumping on your pet for 3 months or more.

FRONTLINE Brand Products are primarily designed to kill fleas and ticks that are already on your cat. When used monthly they work by disrupting the parasites’ nervous system and preventing them from reproducing. While they can help control infestations, these products may not necessarily deter fleas from initially jumping onto your cat.

FRONTLINE^® Plus for Dogs spreads from the single point of application, rapidly covering the entire dog and localizing in the hair, on the surface of the skin, and in the sebaceous glands. These glands act as a reservoir, continuously replenishing FRONTLINE Plus for Dogs onto the skin and hair coat, so it keeps working even if the dog gets wet.*

*Your pet needs to be dry at the time FRONTLINE Plus is applied and remain dry 24 hours after application.

Yes, FRONTLINE Plus for Dogs is an approved flea and tick control product for use on dogs. It’s applied to a dog’s skin to protect them from fleas, ticks, and chewing lice. Always follow the instructions on the product label, and consult your veterinarian for guidance on the appropriate use and dosage for your specific dog.

FRONTLINE Plus for Dogs is specifically formulated and approved for use on dogs. It should not be used on other animals, such as cats, as the active ingredients and their concentrations in the product can vary significantly between different formulations designed for different species. Using the wrong product on an animal can be dangerous and ineffective, and it may result in adverse reactions or inadequate protection. If you have multiple pets of different species, it’s important to use the appropriate flea and tick control product for each one. Consult your veterinarian for guidance on the right products for your pets. Do not use on rabbits, as adverse events could occur, including death.

FRONTLINE Plus for Dogs is typically considered acceptable for use in breeding, pregnant, and lactating dogs when used according to the manufacturer’s instructions. However, it’s always a good idea to consult with your veterinarian before using any flea or tick control product on a pregnant or lactating dog, as individual circumstances may vary. Your veterinarian can provide specific guidance based on your dog’s health and needs to ensure the proper use and effectiveness of the product during these life stages.

Using FRONTLINE Plus for Dogs with other medications should be done with caution and only under the guidance of a veterinarian. It’s important to consult with your veterinarian before combining FRONTLINE Plus with other medications, especially if your dog is on antibiotics, steroids, NSAIDS, anesthetics, antihistamines, other topical treatments, or oral medications.

No, FRONTLINE Plus for Dogs should not be used on cats, and FRONTLINE Plus for Cats should not be used on dogs. The formulations for these products are specifically designed for their respective species, and the active ingredients and concentrations are different. Using the wrong product on your pet can be ineffective and potentially harmful.

It’s crucial to use the appropriate flea and tick control product designed for your pet’s species and weight. If you have both cats and dogs in your household, make sure to use the correct product for each animal, and consult your veterinarian if you have any questions about which product is suitable for your pets.

Your dog needs to be dry at the time FRONTLINE Plus for Dogs is applied and remain dry for 24 hours after application.

In general, FRONTLINE Plus for Dogs is typically acceptable for use in dogs that are at least 8 weeks old and weigh at least 5 pounds. However, it’s essential to read and follow the instructions on the product label carefully.

To ensure the proper use  and effectiveness of FRONTLINE Plus for your dog, consult the product packaging or your veterinarian for precise guidance on age and weight requirements, and always use the product according to the provided instructions.

One dose (pipette) of FRONTLINE Plus for Dogs should be applied once per month to protect against fleas and ticks. Year-round application is essential for pets.

FRONTLINE Plus for Dogs is generally considered acceptable for use in most dog breeds. However, individual dogs may have different sensitivities or reactions to medications, including flea and tick control products. It’s essential to consider your dog’s specific health and any known sensitivities when using any medication or protection.

If you have concerns or specific questions about using FRONTLINE Plus for Dogs in a particular breed of dog, it’s a good idea to consult with your veterinarian. They can provide guidance based on your dog’s breed, size, and overall health to ensure the proper and effective use of the product.

FRONTLINE^® Plus for Cats is fast-acting, spreading from a single point of application to the entire cat and localizing in the hair, on the surface of the skin, and in the sebaceous glands. These glands act as a reservoir, continuously replenishing FRONTLINE Plus for Cats onto the skin and hair coat, so it keeps working even if the cat gets wet.

Yes, FRONTLINE Plus for Cats is an approved flea and tick control product for use on cats. It’s a tested medication that is applied to a cat’s skin to protect them from fleas, ticks, and chewing lice. Always follow the instructions on the product label, and consult your veterinarian for guidance on the appropriate use and dosage for your specific cat.

FRONTLINE Plus for Cats is specifically formulated and approved for use on cats. It should not be used on other animals, such as dogs, as the active ingredients and their concentrations in the product can vary significantly between different formulations designed for different species. Using the wrong product on an animal can be dangerous and ineffective, and it may result in adverse reactions or inadequate protection. If you have multiple pets of different species, it’s important to use the appropriate flea and tick control product for each one. Do not use on rabbits, as adverse events could occur, including death. Consult your veterinarian for guidance on the right products for your pets.

FRONTLINE Plus for Cats is typically considered acceptable for use in breeding, pregnant, and lactating cats when used according to the manufacturer’s instructions. However, it’s always a good idea to consult with your veterinarian before using any flea or tick control product on a pregnant or lactating cat, as individual circumstances may vary. Your veterinarian can provide specific guidance based on your cat’s health and needs to ensure the proper use and effectiveness of the product during these life stages.

Using FRONTLINE Plus for Cats with other medications should be done with caution and only under the guidance of a veterinarian. It’s important to consult with your veterinarian before combining FRONTLINE Plus with other medications, especially if your cat is on antibiotics, steroids, NSAIDS, anesthetics, antihistamines, or oral medications.

Some medications or products may interact with each other, potentially reducing effectiveness or causing adverse reactions. Your veterinarian can assess your cat’s specific health and medication needs to determine if there are any potential conflicts.

Your cat needs to be dry at the time FRONTLINE Plus for Cats is applied and remain dry 24 hours after application.

In general, FRONTLINE Plus for Cats is typically acceptable for use in cats that are at least 8 weeks old and weigh at least 1.5 pounds (approximately 0.75 kilograms). 

To ensure the proper use of FRONTLINE Plus for your cat, it’s essential to read and follow the instructions on the product label carefully, as there may be variations in age and weight requirements depending on the specific formulation.

If you have concerns or questions about using FRONTLINE Plus for your cat, especially if your cat is very young, very small, or has specific health issues, it’s a good idea to consult with your veterinarian for guidance on the appropriate use of the product.

One dose (pipette) of FRONTLINE Plus for Cats should be applied once per month to protect against fleas and ticks. Year-round application is essential for pets in many parts of the country.

FRONTLINE Plus for Cats is generally considered acceptable for use in most cat breeds. However, individual cats may have different sensitivities or reactions to medications, including flea and tick control products. It’s essential to consider your cat’s specific health and any known sensitivities when using any tested medications.

If you have concerns or specific questions about using FRONTLINE Plus for Cats in a particular breed of cat, it’s a good idea to consult with your veterinarian. They can provide guidance based on your cat’s breed, size, and overall health to ensure the proper and effective use of the product.

A monthly application of FRONTLINE Shield for Dogs kills existing fleas and prevents new fleas from developing, kills ticks, and chewing lice, and repels mosquitos and stable flies. Preventing mosquito bites is essential, as infected mosquitoes can transmit diseases such as heartworm in dogs.

Once applied, FRONTLINE^® Shield for Dogs is stored in the sebaceous glands in your dog’s skin and spreads over the whole-body surface with their natural oils protecting your dog for 30 days. Fleas and ticks are killed through contact with your dog’s skin and coat, so they do not need to bite to be killed.

Yes, FRONTLINE Shield for Dogs is an approved flea and tick control product for use on dogs. It’s a tested topical medication that is applied to a dog’s skin to protect them from fleas, ticks, and chewing lice. Always follow the instructions on the product label, and consult your veterinarian for guidance on the appropriate use and dosage for your specific dog.

No, FRONTLINE Shield for Dogs is specifically formulated and approved for use on dogs. The improper use of this medication on other home animals like cats can result in fatalities. It should never be used on other animals, such as cats, as the active ingredients and their concentrations in the product can vary significantly between different formulations designed for different species. Using the wrong product on an animal can be dangerous and ineffective, and it may result in adverse reactions, inadequate protection, or even death. 

If you have multiple pets of different species, it’s important to use the appropriate flea and tick control product for each one and consult your veterinarian for guidance on the right products for your pets.

Never use products that have not been specifically developed and licensed for that pet species on your pet, as severe reactions, including death, could result. FRONTLINE Shield for Dogs is specifically formulated for and can only be used on dogs.

FRONTLINE Shield for Dogs is typically considered acceptable for use in breeding, pregnant, and lactating dogs when used according to the manufacturer’s instructions. However, it’s always a good idea to consult with your veterinarian before using any flea or tick control product on a pregnant or lactating dog, as individual circumstances may vary. Your veterinarian can provide specific guidance based on your dog’s health and needs to ensure the proper use and effectiveness of the product during these life stages.

Using FRONTLINE Shield for Dogs with other medications should be done with caution and only under the guidance of a veterinarian. It’s important to consult with your veterinarian before combining FRONTLINE Shield with other medications, especially if your dog is on antibiotics, steroids, NSAIDS, anesthetics, antihistamines, other topical treatments, or oral medications.

Some medications or products may interact with each other, potentially reducing effectiveness or causing adverse reactions. Your veterinarian can assess your dog’s specific health and medication needs to determine if there are any potential conflicts.

Your dog needs to be dry at the time FRONTLINE Shield for Dogs is applied and remain dry for 24 hours after application. If they do come into contact with water before 24 hours, the efficacy of the treatment may be impaired, and reapplication may be warranted. If this is the case, please contact your veterinarian for advice.

In general, FRONTLINE Shield for Dogs is typically acceptable for use in dogs that are at least 9 weeks old and weigh at least 5 pounds. However, it’s essential to read and follow the instructions on the product label carefully.

To ensure the proper use  and effectiveness of FRONTLINE Shield for your dog, consult the product packaging or your veterinarian for precise guidance on age and weight requirements, and always use the product according to the provided instructions.

One dose (pipette) of FRONTLINE Shield for Dogs should be applied once per month to protect against fleas and ticks. Year-round application is essential for pets in many parts of the country.

FRONTLINE Shield for Dogs is generally considered acceptable for use in most dog breeds. However, individual dogs may have different sensitivities or reactions to medications, including flea and tick control products. It’s essential to consider your dog’s specific health and any known sensitivities when using any tested medications.

If you have concerns or specific questions about using FRONTLINE Shield in a particular breed of dog, it’s a good idea to consult with your veterinarian. They can provide guidance based on your dog’s breed, size, and overall health to ensure the proper and effective use of the product.

FRONTLINE^® Gold for Dogs spreads from the single point of application, rapidly covering the entire dog and localizing in the hair, on the surface of the skin, and in the sebaceous glands. These glands act as a reservoir, continuously replenishing FRONTLINE Gold for Dogs onto the skin and hair coat, so it keeps working even if the dog gets wet.

Yes, FRONTLINE Gold for Dogs is an approved flea and tick control product for use on dogs. It’s a tested medication that is applied to a dog’s skin to protect them from fleas, ticks, and chewing lice. Always follow the instructions on the product label and consult your veterinarian for guidance on the appropriate use and dosage for your specific dog.

FRONTLINE Gold for Dogs is specifically formulated and approved for use on dogs. Using the wrong product on an animal can be dangerous and ineffective, and it may result in adverse reactions or inadequate protection. If you have multiple pets of different species, it’s important to use the appropriate flea and tick control product for each one. Consult your veterinarian for guidance on the right products for your pets.

FRONTLINE Gold for Dogs is typically considered acceptable for use in breeding, pregnant, and lactating dogs when used according to the manufacturer’s instructions. However, it’s always a good idea to consult with your veterinarian before using any flea or tick control product on a pregnant or lactating dog, as individual circumstances may vary. Your veterinarian can provide specific guidance based on your dog’s health and needs to ensure the proper use and effectiveness of the product during these life stages.

Using FRONTLINE Gold for Dogs other medications should be done with caution and only under the guidance of a veterinarian. It’s important to consult with your veterinarian before combining FRONTLINE Gold for Dogs with other medications, especially if your dog is on antibiotics, steroids, NSAIDS, anesthetics, antihistamines, or oral medications.

Some medications or products may interact with each other, potentially reducing effectiveness or causing adverse reactions. Your veterinarian can assess your dog’s specific health and medication needs to determine if there are any potential conflicts.

No, FRONTLINE Gold for Dogs should not be used on cats, and FRONTLINE Gold for Cats should not be used on dogs. The formulations for these products are specifically designed for their respective species, and the active ingredients and concentrations are different. Using the wrong product on your pet can be ineffective and potentially harmful.

It’s crucial to use the appropriate flea and tick control product designed for your pet’s species and weight. If you have both cats and dogs in your household, make sure to use the correct product for each animal, and consult your veterinarian if you have any questions about which product is suitable for your pets.

Your dog needs to be dry at the time FRONTLINE Gold for Dogs is applied and remain dry for 48 hours after application. 

In general, FRONTLINE Gold for Dogs is typically acceptable for use in dogs that are at least 8 weeks old and weigh at least 5 pounds. However, it’s essential to read and follow the instructions on the product label carefully.

To ensure the proper use and effectiveness of FRONTLINE Gold for your dog, consult the product packaging or your veterinarian for precise guidance on age and weight requirements, and always use the product according to the provided instructions.

One dose (pipette) of FRONTLINE Gold for Dogs should be applied once per month to protect against fleas and ticks. Year-round application is essential for pets in many parts of the country.

FRONTLINE Gold for Dogs is generally considered acceptable for use in most dog breeds. However, individual dogs may have different sensitivities or reactions to medications, including flea and tick control products. It’s essential to consider your dog’s specific health and any known sensitivities when using any tested medication.

If you have concerns or specific questions about using FRONTLINE Gold for Dogs in a particular breed of dog, it’s a good idea to consult with your veterinarian. They can provide guidance based on your dog’s breed, size, and overall health to ensure the proper and effective use of the product.

FRONTLINE^® Gold for Cats spreads from the single point of application, rapidly covering the entire cat and localizing in the hair, on the surface of the skin, and in the sebaceous glands. These glands act as a reservoir, continuously replenishing FRONTLINE Gold for Cats onto the skin and hair coat, so it keeps working even if the cat gets wet.

Yes, FRONTLINE Gold for Cats is an approved flea and tick control product for use on cats. It’s a topical tested medication that is applied to a cat’s skin to protect them from fleas, ticks, and chewing lice. Always follow the instructions on the product label and consult your veterinarian for guidance on the appropriate use and dosage for your specific cat.

FRONTLINE Gold for Cats is specifically formulated and approved for use on cats. It should not be used on other animals, such as dogs, as the active ingredients and their concentrations in the product can vary significantly between different formulations designed for different species. Using the wrong product on an animal can be dangerous and ineffective, and it may result in adverse reactions or inadequate protection. If you have multiple pets of different species, it’s important to use the appropriate flea and tick control product for each one and consult your veterinarian for guidance on the right products for your pets.

FRONTLINE Gold for Cats is typically considered acceptable for use in breeding, pregnant, and lactating cats when used according to the manufacturer’s instructions. However, it’s always a good idea to consult with your veterinarian before using any flea or tick control product on a pregnant or lactating cat, as individual circumstances may vary. Your veterinarian can provide specific guidance based on your cat’s health and needs to ensure the proper use and effectiveness of the product during these life stages.

Using FRONTLINE Gold for Cats with other medications should be done with caution and only under the guidance of a veterinarian. It’s important to consult with your veterinarian before combining FRONTLINE Gold for Cats with other medications, especially if your cat is on antibiotics, steroids, NSAIDS, anesthetics, antihistamines, or oral medications.

Some medications or products may interact with each other, potentially reducing effectiveness or causing adverse reactions. Your veterinarian can assess your cat’s specific health and medication needs to determine if there are any potential conflicts.

Your cat needs to be dry at the time FRONTLINE Gold for Cats is applied and remain dry 48 hours after application.
 

In general, FRONTLINE Gold for Cats is typically acceptable for use in cats that are at least 8 weeks old and weigh at least 1.5 pounds (approximately 0.75 kilograms).

To ensure the proper use of FRONTLINE Gold for your cat, it’s essential to read and follow the instructions on the product label carefully, as there may be variations in age and weight requirements depending on the specific formulation.

If you have concerns or questions about using FRONTLINE Gold for your cat, especially if your cat is very young, very small, or has specific health issues, it’s a good idea to consult with your veterinarian for guidance on the appropriate use of the product.

One dose (pipette) of FRONTLINE Gold for Cats should be applied once per month to protect against fleas and ticks. Yearround application is essential for pets.

FRONTLINE Gold for Cats is generally considered acceptable for use in most cat breeds. However, individual cats may have different sensitivities or reactions to medications, including flea and tick control products. It’s essential to consider your cat’s specific health and any known sensitivities when using any tested medication.

If you have concerns or specific questions about using FRONTLINE Gold for Cats in a particular breed of cat, it’s a good idea to consult with your veterinarian. They can provide guidance based on your cat’s breed, size, and overall health to ensure the proper and effective use of the product.