Best Rat Poison that Kills Instantly

Rats and mice may small in our eyes but they can cause great damage to our house especially if we do not deal with them right away. Luckily, there is a rat poison that kills instantly. Rats do not only damage our house, but they are also hazardous to human health. It is not great to always see rats and mice running in the panty, dining room, garage, and lawn. They can cause diseases to humans through their urine and droppings.

In addition to that, it is will not be great for your child who is afraid of such pests. That being said, it would be best to take action once you see a rat activity in your house. To help you narrow down your choices of rat poison, we made a review of the 3 best rat poison that kills instantly. These products are proven and effective in getting rid of rats. However, using them is not enough to completely get rid of  the rat. You should regularly clean your house to prevent them from coming back.

rat poison that kills instantlyJT Eaton Rat Poison Check Price
rat poison that kills instantlyNeogen Rat Poison Check Price
rat poison that kills instantlyD-Corner Rat Poison Check Price

Things to Look for When Buying a Rat Poison that Kills Instantly


Safety must be your main concern when looking for the best rat poison that kills instantly. Because these types of poison contain harmful chemicals, you must choose a product that is most safe to use. Safety is very important especially if you have kids and pets at home.

Rat poison comes in two types, natural and chemical poison. If possible, choose natural poison. However, the problem with natural poison is that it is not fast-acting because it is not consist of strong chemicals. The good thing about natural poison is they are safe and the quantity you need to kill a rat is not enough to kill a human.

Buy a product that is safe and prescribed by the US Environmental and Pr0tection Agency regulations. Otherwise. the product is hazardous.


Aside from safety, it is also important to consider the dosage. While rat and mice poisons are usually used interchangeably, the amount needed to kill them is different. Before buying a poison, carefully analyze the type of rodent that is roaming around the house. When determining what type of rodent, the amount of dropping is helpful. If the droppings are prominent, then it most likely to be rat droppings.


Not all rat poison is consist of the same ingredients. However, there is one ingredient that is always present in all poison, rodenticide. This is responsible for attracting the rat and mice. Other ingredients include acute toxins, calcium releases, and anticoagulants. Each of these ingredients is harmful to both animals and humans. When choosing a bait or poison, buy one that will not cause allergy to the user and that is safe for individuals in the house.


Every rat poison is different when it comes to the duration of killing the rat. More often than not, it depends on the size of the pest, age of poison, and the ingredients. If the poison cause hydration to the rats, you will have to wait for 3-4 days until it takes effect. On the off chance the poison aims to damage the internal organs of the rat, it will only take less than a day to get rid of the rodent. Almost all the time, the duration depends on the poison and the type of pest.

*Toxin Forms

Lastly, you should also consider the toxin form when looking for the best rat poison that kills instantly. Each type of rat poison serves its unique purpose but all of them is made up of hazardous ingredients that are dangerous to humans.

Rat pellets work perfectly with bait station and are best used on farms, lawns, garden. Also, some rat poison has zinc phosphite in its ingredient. This type of poison is suitable for agricultural purposes and not safe for indoor use. This is because it releases hazardous gases the moment the rodent ate the bait. The rodent will die once the gas builds up in the atmosphere. If the humans, especially kids and even pets inhale this, it can be deadly. So for indoor use, it is best to choose natural rat poison.

Our Top Pick

OUR TOP PICK: JT Rat and Mouse Poison
rat poison that kills instantly

Product Name: JT Rat and Mouse and Poison

Product Description: For rat poison that kills instantly, we highly recommend the JT Eaton 704-PN Bait Block Rodenticide Anticoagulant for mouse and rat. This peanut butter flavored bait will surely attract rats as they are huge fan of that flavor. This product consists of 64 blocks of 1 ounce rodenticide in a secured resealable pail. The active ingredient of the JT Bait Block poison is Diphacinone 0.005-percent. What is great about this ingredient is that it gets rid of even the small rats and mouse. In addition, it is also perfect for garage and basement keep those rodents away. On top of that, it comes with 1 year warranty.

Availability: InStock

  • Quality
  • Effectiveness
  • Value for Money
  • Flavor


Tried every possible way of getting rid of rodents in your house? You should try this rat poison that kills instantly. It has a peanut butter flavor to attract pests. Aside from that, it comes in a secured pail.


Specifically made for rats and mouse

Peanut butter flavor

Resealable pail



none so far


Runners- Up

NEOGEN Rat Poison

Aside from the JT Mouse and Rat poison that kills instantly, we also recommend the Neogen Rodenticide 40-pack Havoc Mouse and Rat killer. If you have been looking for a bait that will instantly rodents outside and inside your house, you should try this product.

The Neogen Rodenticide is made specifically for Norway rats, the most common type of rats. This type of rat is known to invade most homes. Aside from Norway rats, this rat poison that kills instantly also targets roof rats and house mice. Also, unlike other rat poison that can either be used for indoor or outdoor only, this product is suitable for indoor, outdoor, commercial, agricultural, and public buildings. On top of that, you can use it in transport vehicles.

One pellet of can kill a rat in just ONE NIGHT. You need not wait for a couple of days to get rid of the rodents. The poison will start working its magic once eaten by the rat. Another great thing about this, is that you can place the pellet even without removing the bait. Remember, rats are strong when it comes to chewing. That being said, they will chew through the package.

This all-weather bait is also perfect even for the most extreme rodent infestation in your house. The dimension of this product is 12 x 12 x 14 inches and it weighs 10 pounds.


  • Kills rats in just one night
  • You do not need to remove the bait
  • Suitable for Norway rats, roof rats, and house mice
  • All-weather bait


  • May not be suitable to other types of rats

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Runner Up

D-Con Rat Poison

Last on our list of the best rat poison that kills instantly, but definitely not the least, is the D-Con Rat Poison. This D-Con Corner Fit Mouse Poison Bait Station has 1 Trap and 20 Bait Refills. If you are looking for a rat poison that kills instantly, and at the same time safe to use, we recommend this product. This is the safest bait station,  and is resistant from tampering by kids and pets. 

rat poison that kills instantly

Another great thing about this product is that it is compact. Also, it is low profile and the mice and rats in your house will not have the slightest idea that it is a bait. Furthermore, it is suitable for indoor and outdoor. With its unique design, you can use it on both inside spaces and outdoor spaces. After eating the bait, the rat will start to die at the third day. The rat will simple enter the station, eat the bait and just leave. Suitable for your attic, pantry, basement, bathroom, bedroom, and other similar places.

To use the product, simply pull the latch of the station and press the top bottom. After that swing the window. When removing the bait, make sure to wear gloves and place it on the station. Swing the window back.


  • Suitable for indoor and outdoor use
  • Weather-resistant
  • Compact design
  • Safe bait station


  • It may tight at least 2 days to kill the rats and mouse

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Frequently Asked Questions

Q: Does rat poison that kills instantly really work?

A: Rat poison or rodenticides are baits that are made up of pesticides in order to kill pests. Since poison is consists of pesticides, which are chemical, it is effective in killing rodents. Also, rat poison can come in the form of block baits, pellets, liquid baits, to name a few. Moreover, there are two main classifications of these baits, coagulants and anti-coagulants. Baits that are classified under anti-coagulants cause internal bleeding and death among rats. On the other hand, bait classified under coagulant cause organ failure and death.

Q: How long does it take for rat poison to kill the rat?

A: This depends on the rat poison that you will use. There is rodenticide that kills rats and mice in less than a day. These baits are usually expensive. On the other hand, there are also poison that will only kill the pests in the third or fourth day.

If the poison that you will use causes dehydration, wait for 3-5 days. There are poisons that target the lungs. In this case, it will work in less than 12 hours. While several rat poison that kills instantly claim that it will kill the rat in few day, it normally takes 4-7 days for the poison to take effect.

Q: Is it safe to use rat poison?

A: Poison in general is dangerous. Even though rodenticides are specifically made for rats and mice, it is still hazardous. This is why when keeping rodenticides at home, you should make sure that it is out of reach from kids and pets. Also, store it in a safe container. While the quantity of poison to kill rats and mice and insufficient to kill a person, children and other animals in your house are at high risk. You must also take note that there are rodenticides that are lethal and cause death to humans. Natural rodenticides are not that hazardous to humans provided that you use them properly.

Q: What is the fastest way to get rid of rats and mice in my house?

A: Rats and mice infestation is never a great experience. Fortunately, there are several rat poison that kills instantly.  The good thing about rat poison that kills instantly is that you do not need to kill the rat from too much pain. It acts quickly and kills the rat in less than a day.

If you don’t use poison because you believe that it is an inhumane way to get rid of pests, you can always try other methods. For instance, using mouse traps such as live trap and trap and release. These traps will not necessarily kill the rats in brutal way. Also, in order to keep rodents away from your home, you should keep your house well sanitized because rats find comfort in untidy places.

Q: Where is the best area or spot to place the bait?

A: The best place to put the bait is near the place where you often see the rats. If you do not often see the rat, you must look for the areas that have urine, droppings, and chewed boxes. Also, it is best to place the bait where there is rat activity or the place where you hear squeaking noise. In addition to that, make sure to place the bait near the wall because rodents do not have good vision so they tend to run near the walls. Lastly, make sure to put them in a place that is out of reach from kids and pets.

Q: Do still get o see rat infestation even after using rat poison?

A: Definitely yes. Using a rat poison does not guarantee that your house will be free from rats. If, after getting rid of rats in your house, you will not maintain cleanliness outside and inside your house, they will keep coming back. That being said, it is important to properly store foods. Also, if the rats keep coming back, it is possible that the bait is not effective. We recommend using a sing pellet that rats can finish eating inside the station.

Final Words

Finding urine, droppings, and chewed boxes in some areas in your house are signs of rat activity. These rat poison that kills instantly will get rid of the rats and mice in your house in a fast way. In addition to they are also safe to use. For the best rat poison, we recommend JT Rodenticide Anticoagunalt. You can also try products of Neogen and D-Con. Regardless of the product that you choose, remember to strictly follow the instructions and store the bait in a place that is out of reach from children and pets.