If you are here right now, then we can safely assume that your bed has bugs. Unfortunately, you managed to kill one, and now your whole room stinks. Why do bed bugs smell when you kill them is a question that comes to everyone’s mind after killing one. Today’s short blog post will address this question. First, let us answer another question.

Why Do Bed Bugs Smell?

These bugs are smelly irrespective of whether they are dead or alive. There are various reasons for it, and one of them is their excretions. When they are moving about, the bugs excrete on the bed and other places. It can quickly stink up the room. The excretions are only one reason, as the second most common cause is their exoskeleton. When bugs roam around in search of a meal, they discard their exoskeletons. When combined with the excretions, it is a recipe for a foul, unbearable smell. Lastly, male bed bugs let out pheromones to attract females. While the pheromones might be attractive for lady bed bugs, they are outright disgusting for humans.

Why Do Bed Bugs Smell when you Kill them?

We already know that bed bugs are smelly. If you squish them, the foul smell becomes unbearable. The reason is that their blood, fluids, and body parts are now all out on your bed. Each of them has a unique foul smell. When combined, it is enough to make any person nauseous. It would be best if you tried avoiding killing bed bugs. Why? They can leave a nasty stain that is difficult to remove.

Secondly, bed bugs stink when you kill them because they release a pheromone when they are in danger. The purpose is to warn other bed bugs. In most cases, the pheromone’s smell is like that of the bug. In other cases, the odor might be distinct. Nevertheless, the smell ranges from coriander to moldy clothes.

Now, you know why bed bugs smell when you kill them. Let us discuss how to get rid of the smell.

How to Get Rid of Bed Bugs Smell After Killing Them?

There are several things that you can do:

Hot Water

You need to wash the bed sheet, clothing, or any other affected item with boiling water. There is no other way to wash out the smell. We suggest that you boil the water and then use it to rinse the affected area. Once done, you can put the item in the washing machine.

Trust us when we say that the best way to get rid of the smell is by removing the bugs. So, let us focus on that instead.

You may also like to Check: Best Steamer for Bed Bugs

How to Get Rid of Bed Bugs?

Again, there are various options:


We recommend having two vacuum cleaners. Use one for the bed and the other one for the household. Vacuum the bed and the area around it frequently.


Humans cannot stand bed bugs, while they cannot bear cinnamon. Place cinnamon sticks on your bed and the area around it. You will notice that the bugs are not bothering you anymore.


It will give your house a fresh and clean smell. At the same time, it will help you kill the bed bugs.

Professional Exterminator

You can hire the services of a professional exterminator to remove the bugs. Undoubtedly, they will cost a lot more than any DIY method. But rest assured, you will not see bed bugs for a long time. The benefit of hiring a professional exterminator is that they will identify the source of the infestation and remove it.


After reading this article, we are confident that you will no longer need to Google ‘why do bed bugs stink when you kill them’ or ‘how to kill bed bugs and remove their smell’. Thank You & Good Luck.

Editorial Team
The Spadone Home Editorial Team consists of seasoned professionals with extensive knowledge and experience in the domains of Home, Interior Design, Renovation, and Exterior Improvement. Our dedicated team of writers and researchers is committed to delivering well researched content that offers insightful solutions to your home-related inquiries. At Spadone Home, we understand the importance of a well-maintained and aesthetically pleasing home. Our mission is to provide you with practical, step-by-step guidance and expert insights to enhance your living space. Whether you're seeking DIY projects, product recommendations for your house, or interior and exterior design inspiration, our team is here to empower you with the knowledge and advice you need to make your house truly exceptional.