To remove blood stains, you need to be fast to prevent the fabric from soaking the blood and causing the stain to dry up and set in. First, dab the stained area with cold water to remove most of the stain, then pat it dry with a cloth. The age of the stain will determine the best way to deal with it after that:
How to Get Rid of New Blood Stains?
To remove fresh blood stains from clothes, start subjecting the area to cold water. Soaking the garment or rinsing the blood out with cold water will help you get rid of as much blood as possible.
In most cases, cold water wouldn't be enough, so the next step will be to acquire the help of stain removing agents such as lemon juice, white vinegar, hydrogen peroxide, or soap. First, scrub and rub the stained area with soap or apply hydrogen peroxide to it, then rinse it off with cold water.
Hopefully, there'll be no remains of the stain after this, and you can rinse and let the fabric dry. Then, repeat the process if necessary.
How to Get Rid of Dried Blood Stains?
Removing an old, dried blood stain from clothes isn’t impossible. It just requires a little more patience than usual.
Start by filling your sink with cold water mixed with one teaspoon of a stain remover like an enzymatic cleaner or a laundry detergent to soak the stained fabric in and help dissolve the blood.
Gently scrub the stained area with soap and wash with a bleaching agent. If this doesn’t remove the blood, make a solution of 1 quarter cup of water with one teaspoon of laundry detergent and one tablespoon of ammonia, and allow the clothing to soak in it. Then wash the garment in the washing machine.