How To Clean Up Pee From a Mattress: Simple Steps That Actually Work
If you’re searching for How To Clean Up Pee From a Mattress, you probably need fast, clear instructions you can trust. Whether the accident came from a child, pet, or adult, the goal is the same: remove moisture quickly, reduce odor, and prevent long‑term stains.
This guide explains what to do right away, how to deal with dried stains, and when it may be smart to stop and protect your mattress instead of scrubbing.
What should I do first when someone pees on the mattress?
Time matters. The sooner you act, the better your chances of avoiding stain and odor.
Strip the bed immediately
Remove sheets, mattress protector, and bedding so you can reach the wet area.Blot, don’t rub
Use clean, absorbent towels or paper towels to press firmly on the wet spot.- Work from the edges toward the center.
- Avoid scrubbing, which can push urine deeper into the foam or padding.
Check how deep it went
Lightly press the mattress surface. If it still feels very wet, continue blotting. If it feels only damp, you’re ready to clean.
How To Clean Up Pee From a Mattress (Fresh Stains)
Once you’ve removed as much liquid as possible, you can clean the area with common household items.
Step-by-step method for fresh urine
Apply a mild cleaning solution
Mix a gentle cleaning solution in a spray bottle, such as:- Cool water with a small amount of mild liquid soap, or
- A light mixture of water and a household disinfecting solution suitable for fabrics (always spot‑test first).
Lightly spray the stained area—it should feel damp, not soaked.
Blot again
Use clean towels to lift out the solution and remaining urine. Repeat until very little moisture lifts from the mattress.Use an odor absorber (optional but helpful)
Sprinkle a generous layer of baking soda over the damp area.- Leave it for several hours, ideally overnight, to help absorb odor and moisture.
- Vacuum it off thoroughly once dry.
Dry the mattress completely
Let the mattress air dry in a well‑ventilated room. If possible:- Place it near an open window or fan
- Use a low, indirect airflow setting to speed drying
The surface should feel completely dry before you put sheets back on.
How do I clean dried pee stains from a mattress?
If you only notice the accident later, the stain may already be set and odor stronger. Cleaning dried urine usually takes a bit more patience.
Steps for older or dried urine stains
Lightly re-dampen the spot
Mist the stained area with plain water. The goal is to soften and re-activate the dried residue, not soak the mattress.Apply a fabric-safe cleaning solution
Use a mild solution meant for fabrics or upholstery (and always test on a small hidden area first). Spray the stain until it’s damp.Let it sit briefly
Allow the solution to sit for 5–10 minutes so it can work on the stain and odor.Blot thoroughly
Press with clean, dry towels. Replace towels as they become damp. Continue until you’re lifting very little moisture.Use baking soda and vacuum
- Cover the area with baking soda.
- Let it sit for several hours.
- Vacuum slowly to remove all powder.
Older stains may not disappear completely, but odor and discoloration usually improve significantly with one or two rounds of this process.
Is it safe to use strong cleaners or steam on my mattress?
Many people wonder if they should reach for harsh chemicals or steam cleaners to deal with pee on a mattress.
Harsh chemicals:
Strong cleaners can damage mattress fabrics or foams and may leave behind odors of their own. Unless the mattress care tag clearly indicates they’re safe, it’s usually better to avoid them.Steam cleaners:
Steam pushes hot moisture deep into the mattress. This can make drying difficult and may trap odors instead of removing them. For most mattresses, light surface cleaning and thorough air drying are safer.
Always check your mattress label for cleaning instructions and warnings before using any new method.
How can I keep odor from coming back?
Odor tends to linger when urine or cleaning solution stays trapped inside the mattress. To reduce this:
- Use minimal liquid while cleaning—enough to treat the spot but not enough to soak through.
- Blot repeatedly until towels come away mostly dry.
- Allow extended drying time before making the bed again.
- Consider repeating the baking soda step if any smell remains after the first cleaning.
If a strong odor persists even after careful cleaning and drying, the urine may have penetrated deeply into the core or multiple accidents may have occurred in the same spot.
How do I prevent future pee stains on my mattress?
Once you’ve learned How To Clean Up Pee From a Mattress, the next step is prevention to make future incidents easier to handle.
Common protective options include:
- Waterproof mattress protector above the mattress and under the fitted sheet
- Washable encasement that zips around the entire mattress
- Extra absorbent pad layered in areas where accidents are more likely
These layers help keep urine out of the mattress itself, so next time you mostly just need to wash bedding instead of deep-cleaning foam.
✅ Quick Mattress Takeaways
Key points to understand about How To Clean Up Pee From a Mattress
- Act fast: Strip bedding and blot, don’t rub to remove as much urine as possible.
- Use gentle cleaners: Mild, fabric-safe solutions are usually better than harsh chemicals or heavy soaking.
- Control odor: Baking soda on a damp, cleaned spot can help absorb both moisture and smells.
- Let it dry fully: Good airflow and patience are essential before making the bed again.
- Be cautious with steam and strong products: They can drive moisture deeper or damage materials.
- Protect for next time: A water-resistant barrier between sleeper and mattress makes future cleanups much easier.
With prompt action, gentle cleaning, and thorough drying, most urine accidents can be managed without ruining your mattress.

