October 28, 2026

How to Get Blood Out of Clothes and Sheets

Cold water is the key to removing blood stains. Here's how to get fresh and dried blood out of clothes, sheets and mattress protectors.

Blood stains look alarming, but they come out more easily than most people think, as long as you avoid one big mistake: hot water. Heat cooks the proteins in blood and sets the stain into the fabric.

Fresh Blood Stains

  1. Rinse with cold water right away. Run cold water through the back of the fabric to push the blood out the way it came in.
  2. Rub gently with a little soap. Bar soap or a drop of dish soap worked in with your fingers helps lift what's left.
  3. Rinse again with cold water and repeat until the stain fades.
  4. Wash on a cold cycle.
  5. Air dry and check. Don't use the dryer until the stain is completely gone.

Dried Blood Stains

  1. Soak in cold water for 30 minutes to an hour to loosen the stain.
  2. Make a paste of salt and cold water, or use an enzyme-based stain remover, and work it into the stain.
  3. For white cotton, dab with 3% hydrogen peroxide. It will fizz as it lifts the blood. Rinse with cold water. Hydrogen peroxide can bleach coloured fabrics, so test it on a hidden spot first.
  4. Wash cold and air dry.

Blood on Sheets and Mattress Protectors

  • Strip the bed and treat the sheet straight away with cold water.
  • For a mattress, dab, don't soak: use a cloth with cold water and a little dish soap, then blot dry.
  • Wash sheets in cold water first, then use your regular wash setting once the stain is out.

What to Avoid

  • Hot water or a hot dryer before the stain is gone.
  • Scrubbing hard, which can spread the stain and damage fibres.
  • Chlorine bleach on coloured fabrics.

Need Help With the Rest?

Heavy bedding like comforters and blankets can be hard to wash at home. We clean them for a flat price: $25 double/twin comforter, $30 queen/king, $18 blanket. See comforter & bedding cleaning.

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