How to get rid of dust mites in your mattress.
Learn the signs of dust mites in your mattress, what causes them to thrive, and how to manage them — or when to call in a pro.
Edited by Julie Stoller•Home Improvement Expert•Last updated May 11, 2026
Julie has written and edited articles for home improvement companies and other businesses since 2012.
Last updated May 11, 2026
Highlights
- Because dust mites are invisible, allergic reactions like sneezing or an itchy nose are often the primary sign.
- The mites themselves are harmless, but their waste can trigger allergy symptoms in sensitive people.
- You can suspect a problem from your symptoms, but a home test kit may be needed for confirmation.
- Dust mites thrive in warm, humid environments and feed on dead skin cells commonly found in bedding.
- Regularly using allergen-proof covers and washing bedding in hot water can help manage dust mite levels.
If you're waking up with a stuffy nose or itchy skin, you might be dealing with dust mites in your mattress. You may be wondering if your allergy symptoms are caused by these microscopic pests and what you can do about them.
This guide will help you figure out if you have a dust mite problem and explain what causes them to thrive in your bedding. We'll cover what you can do yourself to manage them and when you might need professional help. If you decide you need an expert, we'll also show you how to find a top-rated cleaning service on Thumbtack.
What to know before checking for dust mites in a mattress
Before you start your inspection, taking a few simple safety precautions can help you avoid making the problem worse.
- Wear protective gear. Putting on a mask and gloves may help reduce your exposure to allergens. This is especially important if you suspect mold is also present.
- Ensure good ventilation. Opening a window or turning on a fan can help circulate fresh air and disperse any airborne particles you stir up during the inspection.
- Limit disturbance. Try not to shake bedding or vacuum vigorously until you know what you're dealing with. This can prevent spreading dust mites and their allergens throughout the room.
- Look for dampness. Dust mites thrive in humidity. Note any signs of moisture or mildew, but do not touch suspected mold without protective equipment.
- Handle electronics with care. If you use an electric blanket or heated mattress pad, unplug it before you inspect the area. Do not handle any wiring or electrical components.
- Clear the area. It may be a good idea to keep pets and small children out of the room during your inspection to limit their exposure to potential allergens.
Signs of dust mites in your mattress
Recognizing a dust mite issue is often a process of elimination, as the mites themselves are too small to see. This guide can help you identify common signs, but remember that appearances can vary. For a definitive assessment, a professional mattress cleaning service or an allergist can often provide more insight.
Worsening allergy symptoms
- What it looks like: Sneezing, a runny or stuffy nose, and itchy eyes that are often worse in the morning or at night.
- What it may indicate: An allergic reaction to dust mite waste. Symptoms may improve when you are away from the bedroom.
- What to do next: Monitor your symptoms. If they persist, you might consider consulting an allergist for a proper diagnosis.
Unexplained skin irritation
- What it looks like: Red, itchy rashes or eczema flare-ups that appear overnight or are most noticeable after waking up.
- What it may indicate: Your skin may be reacting to allergens from dust mites that have accumulated in your bedding.
- What to do next: Wash all bedding in hot water (at least 130°F). If irritation continues, consulting a dermatologist may be helpful.
Increased asthma at night
- What it looks like: More frequent wheezing, coughing, or shortness of breath, particularly while you are in bed or right after waking.
- What it may indicate: Dust mite allergens are a known trigger for asthma. High concentrations in your mattress can worsen symptoms.
- What to do next: Follow your prescribed asthma action plan. You may also want to discuss environmental triggers with your doctor.
A musty or damp odor
- What it looks like: A persistent, stale, or mildew-like smell coming from your mattress or bedding, even when it appears clean.
- What it may indicate: High humidity in your mattress, which creates an ideal breeding ground for both dust mites and mold.
- What to do next: Check the room's humidity. Using a dehumidifier can help reduce moisture and make the environment less hospitable for mites.
A positive test kit result
- What it looks like: A home dust mite test kit that shows a positive result for high levels of allergens in a sample.
- What it may indicate: This provides a more definitive confirmation that a significant concentration of dust mite allergens is present in your mattress.
- What to do next: Follow the test kit's recommendations, which often involve deep cleaning or calling a professional mattress cleaning service.
Tools and supplies for inspecting and managing dust mites
Gathering a few basic supplies can help you inspect your mattress and manage minor dust mite issues. These tools are for initial assessment and simple cleaning, not for eliminating a severe infestation or fixing underlying humidity problems:
- Mask and gloves to protect yourself from airborne allergens during inspection.
- Flashlight for checking dark crevices for signs of moisture or mildew.
- Vacuum with a HEPA filter to trap allergens when cleaning the mattress surface.
- Dust mite test kit for confirming high levels of mite allergens in your bedding.
- Allergen-proof mattress and pillow covers to create a barrier against mites.
- Laundry detergent for washing bedding in hot water to kill mites.
- Dehumidifier to help reduce the humidity that dust mites need to survive.
What to do when you find dust mite issues in your home
For minor or surface-level issues, you can often take some initial steps yourself. Anything widespread, structural, or health-related should go to a pro.
Step 1 – Assess the situation.
- Confirm the signs. Note any worsening allergy symptoms, skin irritation, or musty odors, especially in the morning. These are common indicators of a dust mite problem.
- Check humidity levels. Use a hygrometer to measure the room's humidity. A reading consistently above 50% creates an ideal environment for dust mites to thrive.
- Consider a test kit. If you want more certainty, a home dust mite test kit can help confirm the presence of high allergen levels in your mattress and bedding.
Step 2 – Complete easy cleaning tasks.
- Wash all bedding in hot water. Strip your bed and wash all sheets, pillowcases, and blankets in water that is at least 130°F to kill dust mites and wash away allergens.
- Vacuum the mattress. Use a vacuum with a HEPA filter to thoroughly clean the entire surface of your mattress, including the sides and crevices.
- Encase your mattress and pillows. Put allergen-proof covers on your mattress, box spring, and pillows to create a barrier that prevents mites from getting in or out.
- Reduce humidity. Use a dehumidifier or air conditioner to keep the humidity in your bedroom below 50%. Improving ventilation by opening windows may also help.
- Declutter the bedroom. Remove items that collect dust, such as upholstered furniture, curtains, and carpets, if possible. This reduces the number of places where dust mites can live.
Step 3 – Consider calling a professional.
Sometimes, DIY cleaning isn't enough to kill dust mites. Here's when it makes sense to hire a pro instead:
- Your allergy or asthma symptoms are severe or do not improve after cleaning.
- You suspect a large-scale infestation that extends beyond your mattress to carpets and furniture.
- There are signs of mold or excessive moisture that you cannot resolve on your own.
- You want a deep, professional-grade steam cleaning to thoroughly sanitize your mattress.
If your own efforts do not provide relief or the problem seems too big to handle, hiring a professional cleaning service is often the better option. They have the specialized equipment and expertise to effectively reduce allergens and can offer solutions for long-term management. For persistent health symptoms, you may also want to contact a licensed medical pro.
What causes dust mites in mattresses?
Understanding what causes dust mites can help you decide on the best way to manage them. These factors often depend on your home's environment, so what works for one person might not work for another:
An available food source
- How to spot it: You can't see skin flakes, but they are always present in bedding where people sleep. It is a natural process.
- Why it happens: Dust mites feed on the dead skin cells that humans naturally shed every day, especially during sleep.
- What to do next: Wash bedding weekly in hot water. Using allergen-proof mattress covers can also create a barrier against mites.
High indoor humidity levels
- How to spot it: You may notice condensation on windows, a damp feeling in the air, or a musty smell in the room.
- Why it happens: Dust mites absorb moisture from the air. Humidity above 50% helps them thrive and reproduce.
- What to do next: Use a dehumidifier to keep humidity below 50%. Ensure good airflow by opening windows or using fans.
Consistently warm temperatures
- How to spot it: The bedroom feels consistently warm, especially at night. Your thermostat is regularly set between 68°F and 77°F.
- Why it happens: Dust mites reproduce best in warm environments. Your body heat also warms the mattress, creating an ideal habitat.
- What to do next: You might try lowering the thermostat slightly at night. This can make the environment less hospitable for mites.
Infrequent mattress cleaning
- How to spot it: The mattress has not been vacuumed or deep cleaned in over six months. Visible dust may accumulate on surfaces.
- Why it happens: Without regular cleaning, dust, skin cells, and mite allergens build up over time, creating a large colony.
- What to do next: Vacuum your mattress with a HEPA filter monthly. You may want to consider a professional for a deeper clean.
Poor bedroom ventilation
- How to spot it: The air in the room feels stale or stuffy. The room lacks windows, or they are rarely opened.
- Why it happens: Poor airflow traps heat and humidity, creating the perfect warm, damp environment that dust mites need to survive.
- What to do next: Open windows regularly to circulate fresh air. Using an air purifier with a HEPA filter may also help.
Waking up with allergy symptoms can be frustrating, but identifying a potential dust mite issue is an important first step. You now know the signs to look for, what causes mites to thrive, and the next steps you can take to manage them.
If your symptoms are severe or you suspect a widespread problem, it may be time to contact a professional. Many pros can provide a thorough assessment and a clear action plan, helping you create a healthier sleeping environment.
Hire a pro: Find a mattress cleaning service in your area.
FAQs
Can I see dust mites on my mattress?
Dust mites are microscopic and cannot be seen with the naked eye. You often identify a problem through allergic reactions, such as sneezing or skin irritation, rather than by sight. A home test kit may also help confirm their presence by detecting high levels of allergens.
How often should I clean my mattress to prevent dust mites?
For ongoing prevention, you might vacuum your mattress with a HEPA filter monthly. Washing your bedding in hot water weekly is also a key step in managing their food source. A professional deep cleaning every six months to a year can often help maintain a lower allergen level.
Are dust mites harmful to my health?
The mites themselves do not bite or sting and are generally harmless. However, their waste products contain proteins that can trigger allergic reactions or asthma symptoms in sensitive individuals. If your symptoms are severe, you may want to consult a medical expert for advice.
When should I call a professional for a dust mite problem?
You might consider calling a pro if your allergy symptoms persist after thorough home cleaning. An expert can also be helpful if you suspect the infestation has spread to carpets and furniture. They have specialized equipment, like steam cleaners, that can provide a deeper sanitation than most home methods.
Will washing my bedding in cold water get rid of dust mites?
Washing bedding in cold water can help remove some allergens, but it may not be hot enough to kill the dust mites themselves. To effectively kill mites, it is often recommended to wash fabrics in water that is at least 130°F. Using allergen-proof covers can also create a protective barrier regardless of wash temperature.
How it works.
Search.
Browse profiles, see prices and use filters to find pros who match your project.
Chat.
Contact the pros you like to discuss project details.
Hire.
Check pro availability and book appointments right in the app.
Find local pros for your project
Tell us what you're looking for and we'll show you pros right for the job, with prices.