How Do You Clean Urine Out Of a Mattress? Step‑by‑Step Guide
If you’re searching for “How Do You Clean Urine Out Of a Mattress”, you’re likely dealing with a fresh accident or discovering an older stain. This guide explains exactly what to do, how to handle fresh vs. dried urine, and how to reduce odor while protecting your mattress.
What’s the Best Way to Clean Urine From a Mattress?
When people ask, “How Do You Clean Urine Out Of a Mattress?”, they usually want a method that is:
- Safe for most mattress types
- Simple to do with common household ingredients
- Effective at reducing both stains and smells
Basic step‑by‑step method for fresh urine
Act quickly and blot, don’t rub
- Use clean, dry towels or paper towels to blot up as much liquid as possible.
- Press firmly; avoid scrubbing, which can push urine deeper into the mattress.
Mix a mild cleaning solution
- Combine cool water with a small amount of gentle liquid soap or mild detergent.
- Avoid harsh cleaners or anything heavily perfumed, which may irritate some sleepers or damage materials.
Lightly apply the solution
- Dampen (don’t soak) a clean cloth with the solution.
- Gently dab the stained area, working from the outside in to keep the spot from spreading.
Rinse by blotting with plain water
- Use another cloth dampened with clean, cool water to blot the area and remove soapy residue.
- Do not overwet the mattress; excess moisture can be hard to dry out.
Absorb moisture and let it dry completely
- Blot again with dry towels to pull up as much liquid as possible.
- Allow the mattress to air‑dry fully, ideally in a well‑ventilated room with airflow.
How Do You Clean Urine Out Of a Mattress When It’s Already Dried?
Dried urine can leave yellowish stains and a lingering ammonia‑like odor. While old stains can be more stubborn, you can still often improve both appearance and smell.
Steps for older or dried urine stains
Slightly rehydrate the stain
- Lightly mist or dab the area with cool water to loosen dried residue. Avoid soaking.
Use a gentle cleaning solution
- Apply the same mild soap‑and‑water mixture as above.
- Let it sit on the stain for a few minutes to help break it up.
Blot thoroughly
- Blot with a clean, dry cloth until you’re no longer lifting moisture from the mattress.
Allow extra drying time
- Older stains may require longer drying and sometimes more than one cleaning session.
How Can You Reduce Urine Odor in a Mattress?
Even after cleaning, some people notice a lingering smell. This is a common concern when asking, “How Do You Clean Urine Out Of a Mattress?”
Simple odor‑reduction tips
Ventilate the room
Open windows or use a fan to keep air moving while the mattress dries.Use a light layer of baking soda
- Once the mattress is only slightly damp or fully dry, you can sprinkle a thin layer of baking soda over the cleaned area.
- Let it sit for several hours, then gently vacuum it up.
- Many people find this helps with residual odor.
Repeat if necessary
For strong smells, some sleepers repeat a light cleaning and deodorizing process more than once.
What Should You Avoid When Cleaning Urine From a Mattress?
To keep your mattress in good condition, it helps to know what not to do.
Avoid:
- Hot water, which can set some stains and odors
- Soaking the mattress, which can lead to moisture getting trapped inside
- Harsh chemicals or bleach, which may damage foam, fabric, or comfort layers
- Aggressive scrubbing, which can spread the stain and wear down the cover
Can You Use the Same Method on Any Mattress Type?
Many people use similar cleaning steps on:
- Traditional innerspring mattresses
- Foam mattresses
- Hybrid mattresses
However, mattress materials can vary, and some covers are more delicate than others.
If your mattress has a removable cover:
- Check the care label for washing instructions.
- Some covers can be washed separately on gentle settings, while others are spot‑clean only.
If in doubt, test your cleaning solution on a small, hidden area of the fabric before treating the full stain.
How Do You Protect a Mattress From Future Urine Stains?
Once someone has dealt with “How Do You Clean Urine Out Of a Mattress” once, they usually want to prevent it from happening again.
Common protective steps include:
- Using a water‑resistant mattress protector
- Washing bedding promptly after accidents
- Keeping a set of spare sheets and protectors ready, especially for children or pets
These measures can make any future cleanup faster and help keep the mattress surface fresher over time.
✅ Quick Mattress Takeaways
Key points about How Do You Clean Urine Out Of a Mattress:
- Act fast: Blot fresh urine immediately with dry towels; don’t rub.
- Use mild cleaners: A small amount of gentle soap in cool water is usually enough.
- Avoid oversoaking: Too much liquid can damage materials and slow drying.
- Help it dry: Good airflow and time are essential for minimizing odor.
- Old stains take patience: Older or dried urine may need repeated, gentle cleaning.
- Protect going forward: A mattress protector and prompt sheet changes can greatly reduce future issues.
With calm, careful steps, most people can significantly reduce both stains and smells and keep their mattress comfortable for regular use.

