What Is an Alcohol Swab?

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  • Written By: Cindy Quarters
  • Edited By: S. Pike
  • Last Modified Date: 04 October 2019
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An alcohol swab is a gauze pad that has been saturated with alcohol. It is an important part of any first aid kit, as it helps to clean and disinfect cuts and scrapes. These swabs are also used in doctor’s offices, at shot clinics and any other place where quick, easy cleaning of an area is needed. The alcohol helps to rid the skin and other surfaces of potential sources of infection.

High-quality swabs are available from many sources. These are the type used by nurses to clean an area right before giving an injection, or to clean a wound, clear out pus or for any similar procedure. The swabs come prepackaged in small, foil pouches, ensuring the alcohol doesn’t evaporate and the alcohol swab is ready for use when it is needed. The packaged is ripped open, the swab is removed and used, and then both the package and the alcohol swab are discarded. If the swab has any blood or other material on it, is must be handled as bio-hazardous waste.


Alcohol swabs are commonly found in first aid kits, especially commercially distributed kits. These swabs are usually made of thin cotton or other material rather than the larger gauze pad swabs used by the doctor. All types are intended for one-time use and should never be saved or reused. Even a sealed alcohol swab will dry out, and it is important to rotate them with fresh ones on a regular basis, at least once a year. If desired, the tiny alcohol swabs in the kit can be replaced with larger ones.

An alcohol swab can easily be made at home, if one is needed. The commercial gauze-based swabs exist for convenience and portability. Keeping a package of gauze squares and a bottle of alcohol on hand will work just as well, though this setup can be a bit messy when dealing with a squirming child or other reluctant patient.

To make an alcohol swab, open a bottle of alcohol so that it is ready to use. Take either a gauze pad or a clean cotton ball and soak it with alcohol, but not to the point where it is dripping. The swab is ready to use. A swab on a stick, like a Q-tip&reg, can also be used, and works well for some situations, such as cleansing a puncture wound. Whether homemade or purchased, an alcohol swab is very handy for cleaning wounds, injection sites and surfaces such as phones and keyboards, and should be used as necessary to help minimize the risk of infection.


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