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Does Alcohol Kill Bed Bugs? The Ultimate Guide

Does Alcohol Kill Bed Bugs? The Ultimate Guide

If you’re here, it means you’re desperate for a solution to the nightmarish problem that’s been keeping you awake: bed bugs. There are myriad solutions touted on the internet, but one frequently debated is the use of alcohol.

Does alcohol kill bed bugs? We’ll answer this question and provide a comprehensive look at the types of alcohol that might work, how effective they are, and the associated risks.

Will Alcohol Kill Bed Bugs?

Alcohol can kill bed bugs but isn’t recommended as a comprehensive solution. It kills on contact but doesn’t have a residual effect, meaning it won’t kill bed bugs that come later.

How Does Alcohol Kill Bed Bugs?

Alcohol acts as a desiccant, drying out the bed bugs’ exoskeleton and leading them to dehydrate and die. However, the approach has its flaws. Alcohol evaporates quickly, which can reduce its effectiveness in areas where bed bugs are hiding.

How Long Does it Take for Alcohol to Kill Bed Bugs?

The killing speed depends on the alcohol’s concentration and the directness of contact. However, alcohol is primarily a contact killer, which means it has to be applied directly on the bug for fast-acting results.

How to Kill Bed Bugs with Alcohol

  1. Direct Spray: Alcohol can be sprayed directly on the bugs for immediate results.
  2. Cracks and Crevices: Inject alcohol into these common hiding spots.
  3. Bedding: Use alcohol sparingly on bedding materials.

Note: When treating your bedding for bed bugs, consider the role your mattress plays in pest control. A Puffy Lux Mattress has hypoallergenic properties that can assist in reducing potential hiding spots for bed bugs.

Check out Puffy mattress reviews from real customers and see how we compare with other brands.

Does Isopropyl Alcohol Kill Bed Bugs?

Isopropyl alcohol is effective, but like other types of alcohol, it’s a contact killer. The higher the concentration, the more effective it usually is, although concentrations above 90% can evaporate too quickly to be effective.

Does Spraying Alcohol Kill Bed Bugs?

Yes, spraying alcohol can kill bed bugs, but it comes with risks, such as potential harm to fabrics and the highly flammable nature of alcohol.

Does 100% Alcohol Kill Bed Bugs?

While 100% alcohol would theoretically be the most effective, it is not commonly available. Additionally, its high concentration makes it more volatile and flammable.

Does 99% Alcohol Kill Bed Bugs?

99% alcohol has similar issues to 100% alcohol: it is more effective but evaporates too quickly and is highly flammable.

Does 91% Alcohol Kill Bed Bugs?

91% alcohol balances efficacy and evaporation rate, making it one of the more effective options for DIY treatment.

Does 90% Alcohol Kill Bed Bugs?

Similar to 91%, 90% alcohol offers a balance between killing efficiency and evaporation rate but is less commonly available.

Does 70% Alcohol Kill Bed Bugs?

70% alcohol can be effective but is less potent compared to higher concentrations. However, it does offer a slower evaporation rate.

The Risks of Using Alcohol

If you’re considering a full extermination process, upgrading your mattress could be beneficial. Puffy mattresses offer a 101-night trial period, enough time to ensure that your new bed is free of these annoying pests.

Use our store locator to find the closest furniture or mattress store near you and feel the cloudlike comfort of our Puffy Mattress in person.


While alcohol can be a quick fix for killing bed bugs, it comes with numerous caveats. The most effective approach involves a combination of methods for long-lasting relief. Consider all your options before settling on a course of action for bed bug extermination.

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