If you have cockroaches in your home, they can be very hard to deal with because they are dirty and gross. We look at what you can do to get rid of the cockroaches as quickly as possible.

The article discusses the DIY approach, the effectiveness of natural solutions, and calling a professional exterminator. Let’s get right to what kills cockroaches instantly, and I will tell you there is not really anything on the market that kills a cockroach instantly besides stepping on them. Do not fear here is what you can use to get rid of all the roaches in your home. It just may take a little bit longer than you would like.

What Kills Cockroaches Instantly

Our Pick
Roach Kit

Roach Kit


Keep pesky cockroaches away for good with this Roach Control Kit! This multi-pronged approach to pest control combines:

  • Catchmaster 100i roach Monitor glue boards,
  • Maxforce FC Magnum roach bait gel,
  • Gentrol Point Source Stations (Insect growth regulator)
  • Temprid FX insecticide concentrate.
  • Everything you need in one kit
  • Easy to use
  • Eliminates roaches fast
  • Cheaper than exterminator

I. Chemical Solutions

One of the most effective chemical solutions for killing cockroaches instantly is using pyrethroid-based sprays. Using products that have this chemical will allow you to eliminate the roaches quickly before the infestation gets out of hand.

You do need to remember to follow directions and wear the proper safety gear when using poisonous chemicals.

Roach gels, traps, and IGR are the key to eliminating cockroaches in the home. We have listed the roach kit we would use if you are going to do this yourself.

Another popular option is boric acid, which can be mixed with bait like peanut butter to create a lethal trap for roaches. You need to be careful using boric acid, and please keep it away from children and pets.

II. Natural Remedies

Natural remedies can kill some cockroaches. We advise against using any of the natural remedies below because they will not kill that many and will not get rid of the cockroach infestation.

Diatomaceous earth can help kill some cockroaches, but it will not kill them all. This substance is made from the fossilized remains of diatoms, which have abrasive properties that damage the roach’s exoskeleton, eventually killing them.

To use diatomaceous earth, simply sprinkle it in areas where you suspect roach activity.

Bleach is another natural remedy that people try. The problem is bleach has a strong smell and you have to get the bleach directly on the roach to possibly kill it. Good luck with that since they like to hide in hard-to-reach areas of the home.

Vinegar is the same as bleach you must actually spray it on the cockroach to maybe kill it. You would be better off focusing on using insecticide, gels, and IGR (Insect Growth Regulators) to get rid of roaches.

Using a combination of chemical and natural remedies can increase the effectiveness of killing all cockroaches.

When to Call an Exterminator

Guy spraying to get rid of cockroaches kitchen cabinets

While there are various DIY methods to eliminate cockroaches, sometimes it’s necessary to call a professional exterminator. Consider calling an exterminator if:

  • Your DIY methods have proven ineffective, and the problem persists or worsens.
  • The infestation is too large for you to handle on your own.
  • You have children or pets in your home and want to minimize the chance of exposure to potentially harmful chemicals.
  • You’re unsure which species of cockroach you’re dealing with, as certain species can be more difficult to eradicate.

An exterminator can quickly and effectively eliminate not only the visible cockroaches but also identify and target hidden nesting areas to ensure complete removal.

Pest control companies use professional-grade products and tools which may be more effective than some store-bought treatments.

The DIY products we recommend are actually professional grade so just follow the directions and be careful using these chemicals.

Many people just pay for yearly pest control, especially in the southern US states with it being so warm throughout the year. The 2 to 4 times the pest control company comes out to spray will help prevent or stop an infestation from happening.

Remember, when it comes to dealing with cockroach infestations, acting quickly is essential. The longer you wait, the harder it may become to kill the cockroaches.

You will need to DIY or contact a pest control company as soon as you see one cockroach because if you see one there are definitely more.

Factors Affecting Cockroach Treatment

There are some key factors we need to discuss when it comes to treating a roach invasion. Here are some things we will discuss such as cockroach species, environmental conditions, and resistance to pesticides.

I. Cockroach Species

You need to know what type of cockroach is in your home to know what to use to kill it. For example, German cockroaches are more likely to be found inside homes and buildings, while American cockroaches prefer outdoor environments.

Knowing the type of roach will help you understand how to kill them. Some common cockroach species include:

II. Environmental Conditions

Environmental conditions in the infested home can also impact the success of cockroach treatment methods. Factors such as temperature, humidity, and access to food and water sources can influence the cockroach population.

Keeping the kitchen and bathrooms dry and free of food particles can help to minimize attracting roaches into the home.

To create an unfavorable environment for cockroaches, you should:

  • Eliminate food sources by cleaning up crumbs and storing food in sealed containers
  • Reduce moisture by fixing leaks and using a dehumidifier in humid areas
  • Remove clutter and potential hiding spaces by keeping the space clean and organized

III. Resistance to Pesticides

Over time, some cockroach populations have developed resistance to certain pesticides, making it hard to kill them. You can use other methods listed to help with the extermination of the roaches. Some options to consider are:

  • Sticky traps for monitoring and reducing their numbers
  • Boric acid can help eliminate some cockroaches but needs to be used with gels and IGR
  • You can also use different types of chemicals to see which one is working

Safety Precautions

When dealing with cockroach infestations, it’s essential to follow safety precautions to protect yourself, your family, and your home.

Handling Chemicals

When using chemical methods such as aerosol sprays, bleach, or insecticides, always follow the product instructions provided to ensure your safety.

Ensure proper ventilation by opening windows and doors and take care when applying chemicals in confined spaces. Use gloves and other protective equipment where recommended.

Protecting Pets and Children

Keep all chemical treatments out of reach of pets and children.

You definitely need to keep the food and water bowls for pets away from treated areas. Once you have completed your treatment, let it dry for a few hours before letting the pets and kids back into the home.

Preventing Future Infestations

Here is what you need to do so you will not attract cockroaches into your home or business. These are simple steps that are important.

Smiling young black woman with sponge and rubber gloves cleaning kitchen


Maintaining a clean and sanitary living environment is essential in preventing cockroaches from invading your home. Here are some tips for keeping your home clean:

  • Store food in airtight containers and avoid leaving it out overnight
  • Clean up spills and crumbs immediately
  • Take out garbage daily or store it in a sealed container
  • Keep your kitchen appliances clean and free of food debris
  • Refrain from leaving dirty dishes in the sink overnight

Exclusion Techniques

Exclusion techniques involve sealing off possible entry points for cockroaches to prevent them from entering your home. This can be done by:

  • Sealing cracks and crevices in walls and floors with caulk or other sealants
  • Installing door sweeps or weatherstripping to eliminate gaps around doors
  • Screening windows and vents to prevent cockroach entry
  • Regularly inspecting and fixing any damage to your home’s foundation and structure

Routine Monitoring

Regularly monitoring your home for signs of cockroach activity is crucial in keeping infestations under control. Methods of routine monitoring include:

  • Inspecting your home for droppings, egg cases, and other signs of roach activity
  • Setting up sticky traps in areas where roaches are likely to travel and checking them regularly
  • Consulting with a professional pest control company for periodic inspections and treatment recommendations

By practicing proper sanitation, implementing exclusion techniques, and engaging in routine monitoring, you can significantly reduce the likelihood of a future cockroach infestation in your home.


In your battle against cockroaches, several methods can help you in getting rid of them forever. Among the most effective options are using gels, insecticide, and IGR.

Make sure to seal up areas around the home that could be an entryway for cockroaches. If you can keep them out, then you will not have to worry about getting rid of roaches.

You need to maintain a clean and sanitary environment to prevent future infestations. Follow these steps we have laid out for a roach-free home.