Bed Bug Treatment Methods: What Works and What Does Not

Bed bugs are eliminated by stacking several methods, not by finding one magic product. The approach that works combines preparation and decluttering, heat from a clothes dryer, careful vacuuming and steam, mattress encasements, interceptors under the bed, and professional treatment with heat, insecticides or both. Then comes the part many people skip: months of monitoring to confirm the bugs are gone.

This page walks through each method, what it does and its limits. It does not give pesticide rates or instructions. Always read and follow the label of any product you use.

Confirm it is bed bugs

Many things get mistaken for bed bugs, including carpet beetle larvae, fleas, bat bugs and plain skin irritation. Bites alone cannot confirm bed bugs. The CDC notes that bite marks can take up to two weeks to appear and can look like mosquito or flea bites. Look for the insects themselves, their shed skins, tiny pale eggs, or dark fecal spots along mattress seams and bed frames. Our guides to signs of bed bugs and carpet beetle vs bed bug can help. The EPA suggests asking your county extension office for a free identification if you are unsure.

If you rent, tell your landlord early. Bed bugs move between units, and in many places the landlord has a role in treatment. Check your local housing rules.

Make a plan and keep records

The EPA notes that bed bug control often takes weeks to months and depends on the size of the infestation, clutter, neighboring units and whether everyone in the home takes part. Before you start, write down where you have found bugs and on which dates. Keep adding to that record through treatment. It helps you and any professional judge whether the effort is working.

Prepare the room

Preparation is required whether you treat yourself or hire someone. EPA guidance boils down to these steps.

Reduce clutter without spreading bugs

Clutter gives bed bugs countless hiding places and makes treatment harder. Remove papers, clothing piles and cardboard boxes, but bag items in sealed plastic before you move them out of the room so you do not carry bugs to clean areas. Inspect items before you discard them.

Make the bed an island

Pull the bed at least 6 inches (about 15 cm) from the wall. Keep sheets and blankets from touching the floor. Clear out anything stored under the bed, inspect and clean it, and keep it in the same room. This limits the routes bugs can use to reach a sleeping person.

Seal hiding places

Caulk cracks along baseboards, repair loose wallpaper and damaged wallboard, and clean outlet and switch covers. Fewer cracks means fewer places for bugs to hide.

Laundering and dryer heat

Heat is one of the most reliable ways to kill every life stage on items that can tolerate it. The EPA recommends putting items in a hot dryer for 30 minutes, noting that washing alone may not kill bugs and eggs. University of Kentucky Entomology adds that many dry-clean-only fabrics tolerate a moderate dryer setting.

• Bag items in the infested room and carry them sealed to the laundry.
• Dry on high heat, or launder and then dry.
• Store treated items in clean, sealed bags until the infestation is over.

The EPA also notes that freezing can work only if items stay at 0°F (-18°C) for at least three days, verified with a thermometer. Many home freezers do not get that cold.

Mattress and box spring encasements

Zippered encasements made for bed bugs trap any bugs inside the mattress and box spring until they die, and they remove the seams and folds that bugs like to hide in. UK Entomology points out that encasements do not stop bugs from crawling onto the bed, but a smooth cover makes any bugs on the surface easier to spot. Leave encasements on through the whole effort and check them for tears.

Interceptors

Interceptors are dish-shaped pitfall traps placed under each bed or furniture leg. Bugs climb in from the floor but cannot climb out the slick inner wall. UK Entomology describes them as useful for early detection, for checking for survivors after treatment and for reducing bites. The EPA recommends checking them daily at first and keeping them in place for at least a year.

Interceptors only work if the bed is an island. A blanket touching the floor or a bed pushed against the wall gives bugs a way around them. Ordinary sticky traps are not a substitute. The EPA notes they do not catch bed bugs well.

Vacuuming and steam

Vacuuming

UK Entomology notes that general floor vacuuming rarely reaches bed bug hiding places, but targeted vacuuming of mattress seams, bed frames, furniture folds and carpet edges can remove many bugs before treatment. Use a crevice tool, then seal the bag or canister contents in a plastic bag and put it in an outdoor trash container right away.

Steam

Steam kills bugs and eggs on contact and leaves no residue. The EPA says the steam must reach at least 130°F (54°C) at the surface and advises using a diffuser so forceful airflow does not scatter the bugs. Steam does not penetrate thick fabric well and offers no lasting protection, so it is a supplement rather than a complete treatment. Work slowly along seams, tufts, frames and baseboards.

Whole-room heat treatment

Professional heat treatment raises room temperatures with portable heaters and fans while sensors track temperatures in hard-to-heat spots. UK Entomology notes that rooms are heated to roughly 120 to 130°F (49 to 54°C), which kills bugs and eggs, and that the work can often be finished in a day.

Heat has no lasting effect, so some companies add an insecticide application. Heat can also damage heat-sensitive belongings, so the company will give you a list of items to remove.

Do not try to heat a room yourself with a thermostat, space heater or fireplace. The EPA warns that this is ineffective and dangerous.

Insecticides and resistance

Insecticides remain part of most professional bed bug programs, but they work best inside a broader plan. The EPA describes several product classes registered for bed bugs, including pyrethrins and pyrethroids, desiccant dusts, a pyrrole, neonicotinoids and insect growth regulators.

Resistance is a serious problem. The EPA notes that some bed bug populations resist pyrethrins and pyrethroids, the most common classes in consumer products. Professionals may combine or rotate products with different modes of action to work around resistance. Desiccant dusts kill by damaging the insect’s waxy outer layer, so bugs cannot easily become resistant, but they are slow.

If you use any product yourself:

• Use only EPA-registered products that list bed bugs on the label.
• Check that the label allows the site you plan to treat, such as mattresses or furniture.
• Follow the label exactly. The EPA notes that using a pesticide in a way that conflicts with its labeling violates federal law. In short, the label is the law.
• Do not use pool-grade or food-grade diatomaceous earth. The EPA warns of inhalation risks and allows only registered desiccant products in cracks and crevices.
• Never use rubbing alcohol, kerosene, gasoline or other flammable liquids. They are dangerous and do not solve the problem.

Follow-up inspections

The EPA notes that very few infestations are controlled with a single treatment. After the first round, inspect every few days, then at least weekly, including checking interceptors. Keep checking for at least a year. Finding even one live bug means more treatment is needed. A professional program should include return visits and monitoring.

What does not work

Foggers

Total release foggers (bug bombs) are a poor choice for bed bugs. The EPA advises that foggers should never be your only method against bed bugs, because the mist does not reach the cracks and crevices where bugs hide. Ohio State University researchers tested three over-the-counter foggers on bed bugs and found them ineffective. The bugs hid where the mist did not reach, and most field populations tested showed some resistance to the pyrethroids in the products. Foggers also carry fire and exposure risks.

Ultrasonic devices

Plug-in sound devices sold to repel pests do not work on bed bugs. A 2012 study in the Journal of Economic Entomology tested four commercial ultrasonic devices and found that bed bugs neither avoided nor were attracted to them.

Throwing out furniture without a plan

Discarding a mattress or couch rarely solves the problem, because bugs are also in the frame, nearby furniture, baseboards and outlets. UK Entomology notes that most belongings do not need to be thrown out. Dragging an infested item through the home can also spread bugs. If you must discard something, the EPA advises sealing or wrapping it first and marking or damaging it so no one else takes it home. Do not buy new furniture until the infestation is under control.

When to bring in a professional

The EPA recommends hiring a pest-management professional early, since do-it-yourself efforts can let an infestation spread. Professional help is the right call when:

• You find bugs in more than one room or in upholstered furniture as well as the bed
• You live in an apartment, condo, dorm or other shared building
• Bites or sightings continue after two or three weeks of careful home efforts
• Anyone in the home cannot safely do heavy preparation, laundering or steaming

A good company inspects thoroughly, which may include dismantling bed frames, and explains a plan that combines methods such as vacuuming, heat and insecticides. Expect several visits and ongoing monitoring, and expect to do preparation work yourself. Ask about the company’s bed bug experience, what follow-up visits are included and what you need to do before each visit. Check the license with your state’s pesticide regulatory agency.

For more on choosing a company, see when to call a pest control professional. For bed bug biology and spread, see our bed bugs hub.