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Best Oral Flea Treatment for Cats

February 26, 2019


Best Oral Flea Treatment for Cats

With the right medication, you can give your cats relief from fleas and ticks and keep those pests away.

You’ll have to choose carefully though, since there are a lot of flea and tick medications that just don’t work effectively.

We are going to show you what you should be looking for, what kinds of things to avoid and recommend some of the best medications that are available today.

  • Reasonably effective
  • Can be used on both cats and dogs
  • Affordably priced
  • Useful for both cats and dogs
  • Great at killing adult fleas
  • Trusted brand name
  • Very effective
  • Kills fleas before they bite
  • Kills all types of fleas
  • Easy to use
  • Safe for dogs and cats
  • Incredibly safe
  • Soothing for cats
  • Made with natural components

The Top 5 Best Oral Flea Treatment for Cats

Now that you are better prepared to shop for flea and tick medications, we want to show you some of our top picks for this type of treatment.

Here are our top picks for the best oral flea treatment for cats you should consider:

1. SENTRY Cap guard (nitenpyram) Oral Flea Control Medication


  • Reasonably effective.
  • Can be used on both cats and dogs.
  • Affordably priced.


  • Not as effective as some of the competition.

This is one of the multifunctional flea treatments that you can use with both cats and dogs and comes in tablet form. Most of the time, you don’t want to use something that is for your dog to treat your cat with, but in this case, the medication is made to be safe for both types of animals to use. Be aware that this feature makes it less effective compared to much of the competition, but it still does a decent job of keeping away ticks and fleas.

2. Novartis Capstar Flea Tablets for Dogs and Cats


  • Useful for both cats and dogs.
  • Great at killing adult fleas.


  • Not so good at killing flea eggs.

This flea and tick tablet treatment is pretty reasonably priced as well, and it also works on both cats and dogs. It kills adult fleas very well, but it isn’t very effective against flea eggs, so you may need to use it a few times before you get rid of all the fleas on your cat. Just be sure to vacuum over the next few days following its use, as you need to get rid of the dead fleas and their eggs.

3. Bayer Advantage II Flea Prevention for Cats


  • Trusted brand name.
  • Very effective.
  • Kills fleas before they bite.


  • More expensive than most other options.
  • May cause irritation in some cats.

A lot of flea treatments for pets require the flea to bite the pet to feel the effects of the treatment, but this one by Bayer acts so quickly and so effectively that it doesn’t need to wait for the fleas to take a bite out of your pet. It’s one of the most potent and yet safe flea treatments you can get. The treatment is easy to apply – just apply it once a month on your cat’s skin, according to instructions. By killing both adult fleas and flea eggs, the flea life cycle is broken, thus making this treatment very effective.

4. Adventure Plus - Flea Drops - MADE IN THE USA


  • Kills all types of fleas.
  • Easy to use.
  • Safe for dogs and cats.


  • A bit expensive.

This fleea treatment is a bit on the expensive side as well. It’s very easy to use, though, and you should have no problem applying the drops to your cat’s skin. This one is made for cats and dogs, and it is effective enough to get rid of flea eggs and adult fleas.

5. Raw Paws Organic Virgin Coconut Oil for Dogs & Cats - Supports Immune System, Digestion, Oral Health, Thyroid


  • Incredibly safe.
  • Soothing for cats.
  • Made with natural components.


  • Not as effective as some of the other options.

You can simply apply this medication like lotion onto your cat’s skin. It works on dogs too, but still manages to be reasonably effective and safe. It’s affordably priced and should not irritate your cat’s skin. That’s because it is made from mostly natural ingredients, so your cat should not mind it on their skin.

Causes and Risks of Flea Infestations

Look for indications that your cat has fleas, as these can be incredibly uncomfortable to live with.

Fleas will likely cause your cat to itch, act irritable and behave erratically. Look for red marks on your cat and signs that it is not happy.

It can catch fleas from other cats or really any kind of animal they spend time around. They can also get fleas just by being outdoors or spending time in dirty areas. A clean home usually reduces the risks of fleas, so if you have an indoor cat, try to keep the home as clean as possible.

You can find out for sure if your cat is suffering from fleas. Take a wet paper towel and wipe it across your cat’s fur. Then inspect the cloth to see if there are any dark specks that upon closer examination turn out to be fleas.

Beware of Flea Infestations

Flea bites can become infected, if your cat scratches them. Your cat can experience discomfort and increased agitation from flea bites as well. You should be very careful with flea infestations because fleas infesting your cat can make it anemic. They can drain so much blood from your cat that is has little energy left and needs medical attention to get back on its feet. This can be a serious medical problem, and you need to do all you can to keep fleas away from your pet.

What to Consider Before You Buy Any Treatment

There are some things that you should factor in as you try to find the right medication for your pet:

  • Reputable Company- Only buy flea medication from a company that you trust. Do your research and ensure that the company follows safety regulations and sources their ingredients ethically. They should also test their products extensively before putting them on the market. You need to be careful of any flea medicine that hasn’t been extensively researched and proven to be safe for cats.
  • Health Issues- If your cat has any medical problems, then those need to be taken into account before you buy or apply any flea and tick medication. You just don’t know what kind of interaction the medication will have with your cat’s health problems, so talk to your veterinarian first just to be safe.
  • Usage- There are lots of different kinds of pet medications for fleas. We are focusing on creams and oral treatments here, but you also need to be aware that there are wipes, collars and tons of other treatment methods. Consider your situation and how the medication will be used before you make your purchase. You want to get whatever is best for your cat. For more info on that, Our friends at wrote a terrific guide about flea treatment for cats
  • Effectiveness on Pest Species– Not all flea and tick medications will be effective on every kind of flea and tick. Depending on where you live or what your cat is infested with, you may need to choose one kind of medication over another. Do what is best for your pet and for its specific situation and research the kind of medication you are going to use before you apply it. That way, you can be sure you are not wasting your money or harming your pet.

What to Avoid

Not all medications meant to treat fleas and ticks on your cat will be worthwhile, nor will all of them be safe. Please try to avoid the following as you attempt to pick out the right one for your cat:

  • Dog Medication- Some cat owners think that whatever is okay for their dog is okay for their cat as well. This is risky behavior, and if you have leftover medication from treating your dog’s flea or tick infestation, you might be tempted to reuse that medication, but we have to caution against it. That can hurt your cat or prove ineffective in treating its problem. Use only what is formulated especially for cats. We should note that there are some products (including some we have on our recommended list), that are specially made for both cats and dogs. If the product you are getting is labeled as suitable for both animals, then it is safe for use on cats. Therefore, read the labeling carefully. If the product is made only for dogs, don’t use it on your cat.
  • Overreacting- Just because your cat is scratching, that does not mean that it has fleas. There could be a dermatological reason for the problem or it could just be that your cat is allergic to something in your home. That’s why you should keep your home clean not only to avoid ticks and fleas finding a nice place to stay, but also to get rid of many allergens that could irritate your cat.
  • Only Using Flea Medication– There are other things you can be doing besides just using medication to get rid of fleas. Cleaning your house is a great method of treating flea infections, but you can also wash your cat (some cats enjoy being washed) and make sure your cat is eating the right foods to have natural protection against fleas. Don’t rely solely on medication to do the work for you.
  • Using Irritating Chemicals- There are some kinds of flea medications that will irritate your cat, and you need to pay attention to your cat’s reaction when you apply ointment or oral medication. Check their skin for signs of a reaction and closely monitor their behavior after you give them medication.


In this article we have covered some of the very best flea and tick medications we could find, and we hope that this information helps you as you try to treat your precious pet.

Your cat is worth taking the time and doing the research to ensure that you get something appropriate for it, so please make use of the information here as you go to make a purchase.

Most importantly, remember to read instructions carefully, and follow the labeling precisely. Doing so will ensure you have a healthy and happy cat.

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