Why does it sting when we put alcohol on a wound? Discover it!

Most of us will remember that in our childhood it was common to clean the wounds by spraying them with alcohol or applying it with a cotton pad over the open lesion.Alcohol in contact with the wound made us scream in pain and in many cases exclaim Alcohol NO!, Oxygenated water YES !, and the alcohol produced a terribly painful sensation. Why does it sting when we put alcohol in a wound? Why doesn't this happen with other liquids, such as water? Discover it!

Why does it sting when we put alcohol in a wound? Find out!

Our mothers or grandmothers used to say that "itchy cures", but it's not really like that.When we apply alcohol to a wound it doesn't sting because it's killing bacteria , but for other reasons .

When we use alcohol in an open wound, for example a cut, this affects some receptors in skin known as VR1 .These receptors are directly responsible for detecting heat .VR1s are normally activated against high temperatures, but alcohol-specifically ethanol-decreases the threshold of activation, so the simple temperature of the human body is enough for us to feel an intense burning painful in the inflamed tissue.VR1 receptors «believe that the body, in the place of the wound, is being burned and send an alarm signal in the form of pain to our brain, although there really is no such damage to our skin.they have discovered that alcohol lowers the threshold necessary for VR1 receptors to be activated by 10º.

Why does it sting when we put alcohol on a wound? Discover it!

Currently the use of alcohol or hydrogen peroxide in wounds is discouraged .These products do not distinguish between germs and skin cells and delay healing and therefore the healing of the open lesion.It is recommended to wash them with soap and water to eliminate all contamination by foreign particles and then apply some antiseptic that is well tolerated by the cutaneous tissue.Alcohol and hydrogen peroxide are quite effective as disinfectants, but not in open wounds..It is best to use them on the skin or on objects.The healthcare staff advises to banish the idea that pain means that the wound is healing.

Why does it sting when we put alcohol on a wound? Discover it!

Do you know the scientific reason why alcohol in a stinging wound? Did they also tell you that" what itches, heals "? If you want to know more Medical curiosities about alcohol, we recommend you read the post: Does your face get red when you drink alcohol? We explain why!

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