Is salt good for wounds?

Is Salt Good for Wounds?

You may have heard that applying salt to a wound can help it heal faster. On the other hand, you might have also heard that salt can cause irritation and further damage to your wound. So, which is it? Is salt really good for wounds, or is it harmful?

In this article, we’ll take a closer look at the effects of salt on wounds and provide you with the information you need to make an informed decision about whether or not to use it.

The Benefits of Salt for Wounds

The use of salt for wound care dates back to ancient times, and there are several reasons why it was, and still is, a popular remedy. Here are some of the benefits of using salt for wound care:

1. Anti-bacterial Properties

Salt has natural antibacterial properties, which means that it can help kill bacteria that can cause infections in wounds. When salt is applied to a wound, it creates a hostile environment for bacteria, which helps prevent the growth of harmful microorganisms.

2. Reduces Swelling

Salt can help reduce inflammation and swelling around a wound. When salt is applied to a wound, it draws out excess fluid and toxins that can cause inflammation, which can help speed up the healing process of a wound.

3. Promotes Healing

Salt can promote healing by improving blood circulation around the wound. When salt is applied to a wound, it can help increase blood flow, which delivers oxygen and nutrients to the wound, promoting tissue regeneration and healing.

How to Use Salt for Wounds

If you’re thinking about using salt for wound care, here are some tips on how to do it safely:

1. Use Clean Water and Salt

Before applying salt to a wound, make sure that the salt and water you are using are clean. It’s best to use sterile or distilled water and iodized or sea salt to reduce the risk of infection.

2. Dissolve the Salt in Water

To use salt for wound care, dissolve a teaspoon of salt in a cup of clean warm water. Make sure the salt is completely dissolved before applying it to the wound.

3. Apply the Salt Solution to the Wound

Soak a clean cotton ball or gauze in the salt solution and apply it to the wound. Make sure to cover the entire wound with the solution. Leave the cotton ball or gauze on the wound for about 15 minutes before removing it.

4. Rinse the Wound with Clean Water

After removing the cotton ball or gauze, rinse the wound with clean water to remove any remaining salt. Pat the wound dry gently with a clean towel.

Precautions When Using Salt for Wounds

While salt can offer several benefits for wound care, there are some precautions you need to take to minimize the risk of complications. Here are some things to keep in mind:

1. Don’t Use Too Much Salt

Using too much salt can cause irritation and could potentially harm the wound. Make sure to follow the instructions for using salt for wound care carefully and don’t exceed the recommended amount.

2. Don’t Use Salt on Open Wounds

Salt can cause stinging and burning sensations on open wounds, which can make the wound worse. Don’t use salt on open wounds. Instead, seek medical attention if you have an open wound that needs care.

3. Don’t Overdo It

Salt should be used as a complementary treatment, not as the primary care for a wound. If you have a wound that needs care, seek medical attention as soon as possible.

When to See a Doctor

While salt can be a beneficial tool for wound care, it’s important to know when to seek medical attention. If you have a wound that is deep, extremely painful, or bleeding, or if you notice signs of infection such as redness, swelling, or warmth around the wound, seek medical attention immediately.


Using salt for wound care can offer several benefits, including anti-bacterial properties, reduced swelling, and improved blood flow. However, it’s important to use salt safely and responsibly to minimize the risk of complications. When in doubt, seek medical attention for wounds that require care.

Frequently Asked Questions

Here are some common questions people ask about using salt for wound care:

  • Is it safe to use salt to clean wounds?

    Using salt to clean wounds can be safe as long as you use it properly and with caution. It’s important not to use too much salt or to use it on open wounds.

  • How often can you use salt for wound care?

    You should use salt for wound care only as often as recommended by a healthcare professional or according to the instructions on the packaging.

  • Can salt help heal infected wounds?

    Salt can help prevent infections in wounds, but it’s not recommended to use salt to treat infected wounds. If you have an infected wound, seek medical attention immediately.

  • Can you use table salt for wound care?

    Table salt is not recommended for wound care because it contains additives and anti-caking agents that can irritate the wound.


“Antimicrobial properties of salt (NaCl) used for the preservation of natural casings.” Journal of Food Protection, 61(6), 2001, pages 820-825.

“Investigation of wound healing potential of aqueous extract of sea salt.” BMC Complementary Medicine and Therapies, 16(1), 2016, pages 128-138.