How to Safely Treat Fleas on Kittens

Finding a flea on a new kitten is a stressful moment for any owner, but it is also a medical priority that requires immediate attention. 

While a flea infestation might just be an itchy nuisance for an adult cat, it can be life-threatening for a kitten. Kittens have very little blood volume, which means the fleas ingesting the kitten's blood can lead to severe anemia. In extreme cases, this loss of blood can be fatal, so treating the problem quickly is about more than just comfort. 

Treating a kitten also requires a different approach than treating an adult cat. because their bodies are far more sensitive. They cannot metabolize certain chemicals yet, and their lack of body fat makes them prone to getting dangerously cold during baths. 

When you understand how to safely remove these pests, you are protecting your kitten’s immediate health and setting them up for a comfortable, flea-free life.

kitten showing its paw kitten showing its paw

What is the Golden Rule of Safety?

Before you apply any product to your new pet, you must check the label carefully to ensure it is safe for their specific age and weight.

Never use a dog flea product on a kitten. Many products designed for dogs contain permethrin, a chemical that is perfectly safe for canines but toxic to cats. Exposure to this chemical can cause tremors, seizures, and even death in kittens. If you have a dog in your home, make sure their flea treatment has dried completely before letting the kitten snuggle up to them.

How Do You Check Your Kitten for Fleas?

Fleas are masters of hiding, so you might not see the bugs themselves right away. Instead, you can look for the evidence they leave behind.

How Should You Treat Kittens 8 Weeks and Older?

Once kittens are 8 weeks of age and older and weigh 1.8lbs or more, veterinarians can prescribe prescription flea and parasite treatments. 

Your veterinarian can weigh your kitten and prescribe the appropriate treatment as part of their wellness care.

How Can You Treat Your Home?

Vacuum Daily: The vibration of the vacuum stimulates pre-adult fleas to hatch, which allows you to suck them up before they find a host. Be sure to empty the canister outside immediately. 

Wash Bedding: Cycle all pet bedding through a hot wash and dryer cycle to kill any hiding pests.

Frequently Asked Questions

Can I use essential oils to kill fleas?

My kitten never goes outside, so how did they get fleas?

Is flea anemia really that common?

How long does it take to get rid of an infestation?  

Important Safety Information

NexGard® COMBO (esafoxolaner, eprinomectin, and praziquantel topical solution) is for topical use only in cats. Safe for use in cats and kittens 8 weeks of age or older, weighing 1.8 pounds or more. Use with caution in cats with a history of seizures or neurologic disorders. The most frequently reported adverse reactions include vomiting, application site reactions, lethargy, and anorexia. If ingested, hypersalivation may occur. Avoid direct contact with application site until visibly dry. For more information, click here for full prescribing information.