How to Get Blood Out of Sheets (Fresh, Dried and Period Stains)
Cold water, a little patience and the right pre-treatment remove most blood stains, even ones you find the next morning. If you are searching for how to get blood out of sheets after a nosebleed, a cut or a period leak, the most important rule is simple: keep heat away until the stain is gone. Blood is a protein stain, and warm water or a hot dryer can bond it to cotton so tightly that it never fully lifts. This guide shows how to get blood out of sheets step by step, from a fresh spot to a stain that has already dried.
Why Cold Water Matters
Temperature is the core of how to get blood out of sheets, and cold water is the only safe starting point. Sealy explains that heat can permanently bond the proteins in blood to fabric fibers, which is why hot washes make blood stains worse. Cold water keeps those proteins loose so they can rinse away instead of cooking into the weave. That single fact explains most of how to get blood out of sheets, because almost every failed attempt starts with warm water or a quick tumble dry.
Maytag gives the same advice in its laundry guide: flush the stain with cold water, soak it in cold water with detergent, then wash the sheets on a cold cycle. Always check the care label first, since silk, bamboo and linen sheets may need gentler handling than cotton or polyester.
How to Get Blood Out of Sheets When the Stain Is Fresh
Fresh blood is the easiest to remove, so strip the bed as soon as you notice it. This is how to get blood out of sheets in the first hour, before the stain has time to set.
- Blot up any wet blood with a paper towel, pressing gently instead of rubbing.
- Turn the sheet inside out and run cold water through the back of the stain to push blood out.
- Rub a drop of liquid laundry detergent or plain shampoo into the spot and work it in with your fingers.
- Soak the area in a bowl of cold water for 30 minutes, then rinse and check the stain.
- Wash the sheets on a cold cycle and let them air dry until you are sure the mark is gone.
Rubbing a fresh stain spreads it into a bigger ring, so blot and flush instead. HowStuffWorks notes that a little shampoo on cotton sheets is often enough to lift fresh blood before the wash.
Stronger Fixes for Stubborn Stains
If the first try fails, there are stronger options for how to get blood out of sheets that still protect the fabric. Some stains need a second treatment, especially on light sheets or thick cotton. Pick one of these and test it on a hidden corner first. Which one you choose for how to get blood out of sheets depends mostly on the color of the fabric and how long the stain has been there.
Enzyme Detergent or Oxygen Bleach
Enzyme detergents such as Tide or Persil break down the proteins in blood, which makes them the best all-round choice. Maytag suggests soaking cotton sheets in cold water with an enzyme detergent, then running a cold wash with oxygen bleach such as OxiClean.
Hydrogen Peroxide for White Sheets
Plain 3% hydrogen peroxide from the pharmacy foams on contact with blood and lifts it quickly. Business Insider advises testing it first, because peroxide can lighten colored fabric, so save this method for white or very pale sheets.
Salt Paste
Mix salt with a little cold water into a thick paste and spread it over the stain for 10 to 15 minutes. Rinse with cold water before washing, since salt can leave a stiff mark if it dries in the fabric.
How to Get Dried Blood Out of Sheets
Dried stains take longer, but the steps for how to get blood out of sheets after they set still start with cold water. Dried blood looks permanent, but it usually lightens with a long cold soak. Knowing how to get blood out of sheets after the stain has dried mostly comes down to rehydrating it before you scrub.
Soak the stained section in cold water for at least 30 minutes, or overnight with a scoop of enzyme detergent for older stains. After the soak, work in more detergent or a paste of baking soda and water, leave it for half an hour and rinse with cold water. Expect to repeat the process two or three times on a stain that has already been through a dryer.
Period Blood and Mattress Care
Period stains follow the same rules for how to get blood out of sheets, but the mattress often needs care too. Period stains respond to the same cold water and enzyme method, but they often soak through to the mattress protector or mattress. Saatva suggests treating mattress stains with OxiClean or hydrogen peroxide and cold water, blotting rather than pouring so the foam does not get soaked.
A waterproof mattress protector is the best long-term fix, because it stops leaks from reaching the mattress at all. Our laundry and stain guides cover other fabric stains, including how to wash a weighted blanket if blood reaches heavier bedding. The same cold water rule applies to blankets, duvet covers and pillowcases, so treat every layer before it goes in the machine.
Related guides:
- How to wash a weighted blanket
- How to remove rust stains from clothes
- How to get red wine out of carpet
FAQs
Does hot water set blood stains?
Yes, hot water and dryer heat can bond blood proteins to the fabric and make the stain much harder to remove. Always rinse, soak and wash bloody sheets in cold water, and check the spot before anything goes in the dryer.
Can I use bleach on blood-stained sheets?
Sleep Foundation notes that white sheets can be bleached if the care label allows it. Treat the stain with cold water and detergent first, because bleach alone does not always remove the protein underneath.
Does vinegar remove blood from sheets?
White vinegar can help loosen light blood stains when you dab it on and rinse it out with cold water. Maytag advises rinsing vinegar out by hand and not adding it to the washer, since acid can wear rubber seals over time.
How do I get blood out of colored sheets?
Stick to cold water, enzyme detergent and oxygen bleach that is labeled color-safe. Skip hydrogen peroxide and lemon juice on colored sheets, since both can leave a faded patch.
Final Thoughts
Cold water first, an enzyme soak second, and no heat until the stain is gone is the formula that works on almost every sheet. Now that you know how to get blood out of sheets, keep a bottle of enzyme detergent near the washer so you can act the moment a stain appears.
