Quick steps for a fresh accident
Remove bedding, blot up liquid immediately and follow your mattress manufacturer’s cleaning instructions. Use as little moisture as possible, and allow the mattress to dry completely before replacing bedding. Stain and odor removal is not guaranteed, particularly if urine has soaked deeply into foam.
- Remove and launder sheets and the protector according to their labels.
- Wear gloves and press clean, dry towels onto the wet area. Replace towels as they become damp; do not rub.
- Check the mattress care label and spot-test any approved cleaning product on a hidden area.
- Lightly dab the surface with the approved cleaner and blot with clean towels. Avoid soaking the mattress.
- Ventilate and dry completely before making the bed. If the mattress remains wet deep inside, seek professional advice.
What you will need
- Gloves and several clean absorbent towels or paper towels.
- A mild detergent and water, if your manufacturer permits spot cleaning.
- A clean cloth and a fan for ventilation.
- For pet accidents, an upholstery enzyme cleaner only if the mattress maker permits it and the product is suitable for the material and household.
First consult the manufacturer: cleaning instructions differ, especially for memory foam, wool, latex and removable covers. Some prohibit enzyme cleaners or specific solvents.
Cleaning fresh urine
Blot from the outside toward the center to limit spreading. If the care label allows mild soap and water, put a small amount on a cloth and dab the surface rather than pouring it onto the bed. Blot again with a clean, slightly damp cloth if the instructions call for rinsing, then with a dry towel.
Avoid steam cleaning and saturating foam: moisture trapped inside can be difficult to remove. Do not strip away a mattress cover unless its manufacturer specifically says it is removable and washable; some covers must remain in place.
Older stains and lingering odor
Dried stains and odors can take more work and may not disappear. Use only a cleaner approved for the mattress and follow its label. An enzyme-based upholstery product may be suitable for urine when the manufacturer permits it; test a hidden area first and follow the required contact time without saturating the bed.
Baking soda may help with residual surface odors once the treated area is dry; check the mattress and vacuum instructions before using it. Vacuum dry powder thoroughly. Avoid peroxide unless the mattress maker approves it: it can discolor fabric. Vinegar, bleach, peroxide and other cleaners should not be mixed, and essential oils can irritate people or pets.
Pet accidents
Blot fresh liquid first. Select a product labeled for pet urine and safe for the mattress material, if the mattress manufacturer allows it. Follow the label, keep pets and children away during cleaning, and let the area dry completely before they return. Persistent odor can mean urine has reached deeper layers; repeated wetting can make drying harder.
If accidents are frequent or unusual, consult a veterinarian. For recurring human bedwetting, ask a healthcare professional for age-appropriate advice; do not restrict a child’s fluids without guidance.
Drying and when to get help
Airflow matters. Open windows when outdoor conditions permit and direct a fan across the surface. If safe and practical, position the mattress to expose the affected area and underside. Check the surface, seams and foundation for moisture before putting the bed back together; drying time varies with the amount of liquid, mattress construction and room conditions.
If urine soaked deeply into the bed, odor returns after drying, or there is a persistent damp or musty smell, contact the manufacturer or a professional mattress cleaner. Severe contamination or moisture trapped inside may make replacement necessary.
Preventing the next spill
A washable, waterproof mattress protector that fits your mattress and any adjustable base makes cleanup easier. Wash and inspect it according to its label; a damaged seam or worn waterproof layer can leak. Keep a spare set of bedding handy for quick changes.
For related advice, see our mattress cleaning guidance. Manufacturer guidance also differs, as illustrated by Casper’s cleaning guide and Saatva’s stain guide; the care instructions for your own mattress take priority.
Common questions
Can a urine stain always be removed?
No. Results depend on how long the stain has been there, the fabric and how deeply liquid penetrated.
Can I soak a memory foam mattress?
No. Use minimal moisture and follow its care label; wet foam can be difficult to dry.
Is vinegar a disinfectant for a mattress?
Do not rely on household vinegar to disinfect a mattress. Follow manufacturer guidance for cleaning and consult a professional if significant contamination is a concern.