How To Get Pee Stain And Smell Out Of Mattress: A Practical FAQ Guide
If you’re searching for “How To Get Pee Stain And Smell Out Of Mattress,” you’re likely dealing with a fresh accident or a long-dried stain and lingering odor. This guide walks through what works, what to avoid, and how to protect your mattress going forward.
What actually happens when urine gets into a mattress?
Urine is mostly water, but it also contains salts, urea, and other compounds. On a mattress, that means:
- Visible stains as the liquid soaks into the upper layers of fabric and foam
- Odor, especially once it dries and breaks down
- Potential bacterial growth in damp spots if the area stays moist
Because mattresses are thick and absorbent, cleaning the surface only usually isn’t enough. Effective cleanup focuses on lifting the stain and neutralizing the smell deeper in the material.
How do I clean a fresh pee stain from a mattress?
If you catch the accident quickly, you usually have the best chance at full removal.
Step-by-step for fresh stains
Blot, don’t rub
- Use clean, dry towels or paper towels.
- Press firmly to soak up as much urine as possible.
- Avoid scrubbing, which can push liquid deeper into the mattress.
Apply a mild cleaning solution
A commonly used option is a mix of cool water and a small amount of gentle liquid detergent.- Lightly spray or dab the solution onto the stained area.
- Do not soak the mattress; aim to dampen, not saturate.
Blot again
- Use fresh towels to pull the solution and urine out.
- Continue until the towel comes away mostly clean and only slightly damp.
Help remove odor
After basic cleaning, many people find it helpful to sprinkle baking soda over the damp area.- Let it sit several hours or overnight to absorb moisture and smell.
- Vacuum thoroughly once it’s completely dry.
How do I get old, dried pee stains and smells out of a mattress?
Dried stains are tougher but can often be improved significantly.
Deep-cleaning for set-in stains
Lightly rehydrate the stain
- Mix cool water with a small amount of gentle detergent.
- Lightly spray or dab the stained area to loosen dried residue.
Use an odor-focused treatment
Many people find success using household solutions designed to help break down organic odors (for example, solutions made with gentle enzymes).- Follow the instructions for light application.
- Avoid over-wetting; the goal is to reach the stain without soaking the mattress core.
Let it sit
- Allow the solution some time to work (often 10–30 minutes, depending on instructions).
- Keep the room ventilated.
Blot thoroughly
- Press with clean, dry towels to remove as much moisture as possible.
- Replace towels as they become damp.
Finish with baking soda
- Sprinkle a generous layer of baking soda over the treated area.
- Leave for several hours or overnight, then vacuum well.
This process may need to be repeated for older, stubborn stains.
How can I be sure the smell is really gone?
Lingering odor usually means some residue is still inside the mattress. To improve results:
- Make sure the mattress dries completely after cleaning.
- Use a fan or open window to speed up airflow.
- Avoid covering the mattress with sheets or protectors until it’s fully dry.
If an odor persists after multiple careful cleanings, some people choose to:
- Focus on masking remaining mild odor with washable mattress covers, or
- Use light, occasional surface deodorizers designed for fabrics (spot-tested first).
Are there cleaning methods I should avoid?
Yes. When figuring out How To Get Pee Stain And Smell Out Of Mattress, be cautious with:
- Excessive water: Soaking the mattress can lead to deeper staining and slow drying.
- Harsh chemicals or undiluted cleaners: These may damage fabrics, foams, or irritate skin.
- Strong scrubbing tools: Rough brushes can fray the mattress surface and push stains deeper.
- High heat directly on the mattress (like some steam devices): Heat can set certain stains and, on some materials, may cause damage.
Always spot test any cleaning product on a small, hidden area first.
Can I use the same method for all mattress types?
Most basic steps—blotting, gentle cleaning, light deodorizing, and thorough drying—are widely used across mattress types. However:
- Some mattresses have special covers or materials that respond differently to liquids.
- Certain foams may be more sensitive to strong chemicals or high heat.
If your mattress came with care instructions, it’s helpful to follow those guidance points while adapting the general techniques here.
How do I prevent future pee stains and smells?
Prevention is often simpler than deep cleaning:
- Use a water-resistant mattress protector that can be removed and washed.
- For young children or pets, consider an additional washable pad on top.
- Address accidents as soon as you notice them to limit staining and odor.
These steps help keep urine on washable layers, not inside the mattress itself.
✔️ Quick Mattress Takeaways
Key points about How To Get Pee Stain And Smell Out Of Mattress:
- Act fast on fresh stains: Blot thoroughly, clean gently, and avoid soaking the mattress.
- For dried stains, lightly rehydrate, use an odor-focused cleaner, then apply baking soda and vacuum.
- Blot, don’t scrub: Rubbing forces urine deeper and can damage the fabric surface.
- Limit moisture: Too much liquid can cause deeper staining and slow drying.
- Let the mattress dry completely before putting sheets or covers back on.
- Use protective layers: A washable protector or pad greatly reduces the impact of future accidents.
- Repeat treatments if needed: Set-in stains and smells may need several careful cleanings rather than one strong, harsh treatment.
With patient, gentle cleaning and good protection going forward, most people can significantly reduce or remove both pee stains and smells from a mattress.

