Strip the bedding and vacuum the mattress surface
Blot fresh stains with a clean dry cloth
Mix a small amount of mild dish soap with cold water
Dampen a cloth with the solution and blot the stain
Avoid soaking the mattress
Blot with a clean damp cloth to remove soap residue
Sprinkle baking soda over the area to absorb moisture and odor
Let the baking soda sit for several hours
Vacuum up the baking soda
For sweat or urine stains, use equal parts white vinegar and water
For blood stains, use cold water only and blot gently
For tough stains, apply a small amount of hydrogen peroxide to a cloth and blot first on a hidden area
Let the mattress air-dry completely
Use a fan or open windows to speed drying
Repeat the process if needed
Use a mattress protector to prevent future stains