How To Get Dried Pee Out Of Mattress: Simple FAQ Guide
If you’re searching for “How To Get Dried Pee Out Of Mattress”, you’re likely dealing with an older stain that has already soaked in, left an odor, or both. This guide walks you through what works, what doesn’t, and how to refresh your mattress as much as possible.
Why Is Dried Pee So Hard To Remove From a Mattress?
When urine dries, it leaves behind salts and organic residues that can:
- Soak deep into foam and fabric
- Cause lingering odors
- Leave yellow or dark stains
Unlike fresh spills you can blot up quickly, dried pee is already set, so it usually takes more than one cleaning round to see real improvement.
What Is the Best Method for How To Get Dried Pee Out Of Mattress?
Here’s a commonly used, home-friendly method for tackling dried urine stains and odors.
Step 1: Strip and Vacuum
- Remove all bedding and wash it separately.
- Gently vacuum the mattress surface to pick up dust and dried residue.
Step 2: Lightly Re-Dampen the Stain
Dried pee responds better when slightly rehydrated.
- Lightly mist the stained area with plain water from a spray bottle.
- Do not soak the mattress; aim for damp, not wet.
Step 3: Apply a Cleaning Solution
A simple solution many people use is:
- 1 part white vinegar to 2 parts water, plus a small amount of mild liquid soap.
Spray the solution on the affected area until it’s well covered but not heavily saturated.
- Let it sit for 10–15 minutes to help break down the dried residue.
- Gently blot with a clean, absorbent cloth or towel—press, don’t scrub, to avoid damaging the fabric or pushing the stain deeper.
Step 4: Use Baking Soda to Deodorize
After blotting:
- Sprinkle a generous layer of baking soda over the damp area.
- Leave it on for several hours, or ideally overnight, to absorb moisture and odors.
- Vacuum the baking soda thoroughly.
If the smell or stain remains, you can repeat this process. Old, heavy stains often need more than one round.
Can I Use Hydrogen Peroxide or Stronger Cleaners?
Some people use mixtures that include hydrogen peroxide or stronger detergents for tougher dried stains. These can sometimes help with discoloration, but they also come with risks:
- Bleaching or lightening of mattress fabric
- Possible damage to foam if used repeatedly or in high concentration
If you choose to try this, test a small, hidden area first, use a mild solution, and avoid over-soaking.
How Do I Get Rid of the Smell of Dried Pee?
Odor is often the most stubborn part. For how to get dried pee out of mattress and reduce the smell:
- Make sure you blot thoroughly after using any liquid cleaner.
- Use baking soda generously and give it enough time to work.
- If possible, allow the mattress to air out in a well-ventilated room. Some people also open windows or use fans to speed drying.
Persistent odors usually mean urine is still deep inside the mattress, so a second or third cleaning may be necessary.
Is It Safe to Sleep on a Mattress After Cleaning Pee?
You’ll want to make sure the mattress is:
- Completely dry to the touch
- Free from any strong cleaner smell
Sleeping on a damp mattress can be uncomfortable and may affect the mattress materials over time. Many people clean in the morning and let the mattress dry for the rest of the day before remaking the bed.
How Can I Prevent Future Pee Stains on My Mattress?
Once you’ve done the work of getting dried pee out, most people want to avoid repeating it. Common prevention steps include:
- Using a waterproof mattress protector
- Adding washable pads or covers on top, especially for children or pets
- Treating fresh accidents immediately before they have time to dry
These steps can make future cleanups much faster and help keep your mattress in better condition.
When Is It Time To Consider Replacing the Mattress?
Even with careful cleaning, older or heavy urine damage can leave:
- Permanent staining
- Lingering odor that doesn’t fully go away
- Areas that feel uneven or degraded compared to the rest of the mattress
In these cases, continued cleaning may only offer partial improvement. Some people decide to move the mattress to a less-used room or eventually replace it when it no longer feels comfortable or fresh.
✔️ Quick Mattress Takeaways
Key points to remember about how to get dried pee out of mattress:
- Act in stages:
- Lightly re-dampen the stain
- Clean with a gentle solution
- Blot, then apply baking soda and vacuum
- Avoid soaking: Too much liquid can push urine deeper and slow drying.
- Be patient: Old dried stains often need more than one cleaning session.
- Deodorizing matters: Baking soda and good ventilation help with lingering smells.
- Protection helps: A washable, waterproof layer can prevent new stains from soaking into the mattress.
With a careful, step-by-step approach, you can usually reduce stains and odors significantly, even when dealing with dried pee on a mattress.

