How to Clean a Mattress After a Bedwetting Accident

Practical steps for families — no shame, just clean results

It happens more often than people think — a small child forgets to get up in time, or a teenager has a one-off accident after an exhausting day. In summer, especially in Florida’s heat and humidity, the smell sets in fast, and stains dry quickly. But a bedwetting accident doesn’t mean you have to replace the mattress or feel embarrassed. With the right steps, you can fully remove the mess — and protect the bed from future issues.

First Things First: Don’t Panic, Act Fast

The sooner you act, the better. Even if you discover the accident hours later, it’s not too late — but you’ll need a more thorough approach.

If the mattress is still wet:

  1. Strip all bedding and place it directly into the wash with mild detergent and a bit of white vinegar.
  2. Blot the mattress with a dry towel to absorb as much moisture as possible — do not rub.
  3. Prepare a gentle solution:
    • 1 cup warm water
    • 2 tbsp white vinegar
    • A few drops of dish soap
  4. Use a sponge to gently dab the stained area.
  5. Blot again with a clean towel.

If the stain is already dry, continue below with deodorizing and deep cleaning.

Neutralizing the Smell (Even in Humid Weather)

Urine contains uric acid, which lingers and smells stronger as the temperature rises. That’s why proper neutralization is key.

Use baking soda — generously.
Sprinkle it directly on the damp or cleaned area and let it sit for 8–12 hours, ideally overnight. Baking soda absorbs odors and dries out remaining moisture.

If possible, air out the mattress in a well-ventilated room or place it near a fan or open window. Florida’s sun can help — just avoid long direct UV exposure if the mattress has memory foam.

Still Smells? Try an Enzyme Cleaner

If the smell remains the next day, you may need an enzyme-based cleaner (designed for pet or organic stains). These break down the proteins in urine that cause long-term odor.

Spray lightly, let sit for the time recommended on the bottle (usually 10–30 minutes), then blot and air-dry again.

Avoid using bleach or strong chemical sprays — they don’t neutralize the enzymes and may damage the fabric or irritate skin.

Protecting the Mattress for the Future

After the mattress is dry and fresh again, this is a good moment to prevent future trouble:

  • Use a waterproof mattress protector (they’re discreet, washable, and lifesaving)
  • Add a breathable cotton layer between the sheet and protector for comfort
  • Keep extra bedding sets nearby to make middle-of-the-night changes easier

If accidents are frequent or recurring, especially with older children, it’s helpful to frame the solution around routine and reassurance — not blame.

When to Call a Pro

If:

  • The mattress is large or expensive
  • There are multiple old stains
  • You’re preparing a home for renters or resale

…it may be worth hiring a professional upholstery or mattress cleaning service with hot water extraction tools and safe enzymatic solutions.

A clean mattress isn’t just about looks — it’s about dignity, comfort, and peace of mind. And no matter how often these accidents happen, there’s always a way to reset and refresh the space — without judgment.

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How to Clean a Mattress After a Bedwetting Accident