How to Clean an Open Wound and Use Antiseptic Solutions Properly

Updated on March 7, 2018
AnniesHealthTalk profile image

I'm a registered nurse and nutrition enthusiast. I love spreading information to encourage people to improve their health and their lives.

This is an old tin that was used to hold bandages.
This is an old tin that was used to hold bandages. | Source

I recently realized that many people do not know what kinds of products should be used on an open wound. I made this realization one night after I accidentally sliced off the very tip of my finger with a fancy new vegetable slicer. After cutting the last slice of tomato and feeling a sharp pain, I looked down and realized I was bleeding quite a lot.

What shocked me more than the blood, however, is that over the next two days my well-meaning friends and family offered me things like hydrogen peroxide and even rubbing alcohol to “kill the germs.”

Many people believe that the burning and stinging that occurs with the use of rubbing alcohol and hydrogen peroxide is a good thing because it is killing bacteria. While they certainly are killing bacteria, they are also harming your skin. I will explain why these products should never be used to disinfect open wounds. I will also explain some proper uses for these otherwise useful products.

Sterile saline solution is something many people do not have in their personal first aid supplies.
Sterile saline solution is something many people do not have in their personal first aid supplies.

What You Need: Sterile Saline Solution

Sterile saline solution (0.9% sodium chloride) can be used to effectively clean any type of wound, no matter how deep. You can find saline solution in the first-aid section of a pharmacy. Because this solution matches the pH of your body fluids and blood, it does not burn or sting at all when applied. Sterile saline "wound wash" will also be labeled as 0.9% sodium chloride. In hospitals, saline solution is used as a hydrating IV (intravenous therapy) fluid, as well as irrigation for bone-deep sores, so you can rest assured that it is gentle on your body!


  1. After bleeding has stopped, use a sterile saline solution to flush all visible dirt away from the wound. You can use this solution daily.
  2. If your wound is any wider than a cut or has an open wound bed, it is very important for it to be covered properly until it seals over or forms a scab. Use non-adherent gauze, as regular gauze can get stuck to the wound and cause bleeding when removed.

Extra Tips

  • If you are bleeding a lot, apply direct pressure until the bleeding stops. It is also helpful to raise the affected area above your heart level, if possible.
  • Open wounds should be kept moist, but not soggy. If the skin around the area becomes wrinkly from trapped moisture, your bandage or wrapping is too tight!
  • If you form a scab, do not pick at it! This is your body’s natural defense to keep bacteria out and hold the skin together. Picking and pulling at a scab may also cause more scarring.
  • Larger or deeper wounds may stick to gauze and cause more injury if it is pulled off. To prevent this, look for the smooth, non-adherent gauze pads and wrap with rolled gauze to hold it in place. A little antibacterial ointment will also be helpful in this situation.

What NOT to Use on Open Wounds

Rubbing alcohol is efficient at killing germs, and therefore, it is used in certain cleaners and hand sanitizers. However, rubbing alcohol is also a drying agent and should never be used on open wounds. Nothing delays healing like parching the membranes of newly exposed skin. You may be killing germs, but you will also be causing a lot of unnecessary pain and delaying the healing process.

Hydrogen peroxide is perhaps more gentle than rubbing alcohol, but still, it should not be used on open wounds. In a hospital, hydrogen peroxide is often used to clean equipment, such as tracheostomy tubes. Something used to clean tough plastics should not be used to disinfect cuts and scrapes on your delicate skin! Years ago, hydrogen peroxide was more regularly used on cuts and scrapes, but more recent studies have shown that hydrogen peroxide may actually remove healthy cells and prevent new cell growth.

Appropriate Uses for Rubbing Alcohol and Hydrogen Peroxide

If you have rubbing alcohol and hydrogen peroxide in your cabinet that you once used for cleaning wounds, these useful products need not go to waste.

Rubbing alcohol:

  • Remove water from your ears after a day of swimming. Tilt your head to the side so your ear is facing straight up. Place a few drops of rubbing alcohol into your ear and let it sit for several seconds. The water in your ear should dry up almost instantly!
  • Clean first-aid or beauty tools since it can effectively destroy bacteria.

Hydrogen peroxide:

  • Loosen built-up ear wax. Mix a slightly warmed solution of half water and half hydrogen peroxide. Tilt your head to the side so your ear is facing straight up. Pour a small amount of the solution into your ear, and let it sit for a few minutes to soften the wax. Tilt your head back over and let the solution and wax drain out naturally. Avoid using Q-tips, which often push ear wax further into the ear.
  • Household cleaner
  • Whitening mouth rinse

Do You Have Sterile Saline in Your Personal First Aid Kit?

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This content is for informational purposes only and does not substitute for formal and individualized diagnosis, prognosis, treatment, prescription, and/or dietary advice from a licensed medical professional. Do not stop or alter your current course of treatment. If pregnant or nursing, consult with a qualified provider on an individual basis. Seek immediate help if you are experiencing a medical emergency.


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    • Peter Geekie profile image

      Peter Geekie 

      3 years ago from Sittingbourne

      Good useful information that should be known to everyone.

      kind regards Peter

    • profile image


      5 years ago

      Hello . I went crabbing yesterday and I fell in the bayou on some rocks . And my whole right leg is messed up . I have a cut on my big toe that is really red . And a whole bunch in the arch of my foot . Then I have a big cut on the too of my ankle and some more on the top part of my calf. I've been putting peroxide and triple antibiotic cream with a bandage . But it's still very red . What should I do?

    • profile image


      5 years ago

      I have an open wound on top of my foot. I think it started out as a cluster of 4 small blisters although I might have been bitten by something. Either way it has turned very red around the wound and I have been putting peroxide and then neosporin an covering with band aids. Not getting better but is getting bigger an sore. Any suggestions will help. Tks

    • profile image

      Peter Eich 

      7 years ago

      One thing I would like to clear up is about the rubbing alcohol not being a useful cleaning agent. It is true pure 92% rubbing alcohol will not kill germs/cells and this is because it will dehydrate them first. In the lab I worked in at the University of Chicago, we used 70% alcohol as a sanitzer. To create 70% E2OH mix 3 parts rubbing alcohol with one part water.

    • profile image


      7 years ago

      This hub was extremely useful as I had no idea how to properly clean an open wound. Thanks a lot!

    • AnniesHealthTalk profile imageAUTHOR


      7 years ago from United States

      Yes, you can make your own saline. It will be about 1 teaspoon of salt per cup of water. Just be sure to use bottled or distilled water, or you can boil tap water for 10 minutes to kill any bacteria and remove impurities.

    • Sherry Hewins profile image

      Sherry Hewins 

      7 years ago from Sierra Foothills, CA

      Thank you for this explanation. I would never use either hydrogen peroxide or rubbing alcohol in a fresh open wound, but I have use peroxide on a wound that looks "yucky ," and it seems to help. Can you make your own saline solution with salt and water?


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