Is It Safe to Share Liquid Bandages After Blood Contact?

Shared use of trauma medications

Liquid bandage, designed similarly to nail polish, features a brush attached to the cap for direct application of the medication onto wounds.
I would like to inquire: if the brush comes into contact with blood while applying it to a wound, is it advisable to not provide the entire bottle of bandage for use by the next person? Would it be the same even if the blood on the brush is wiped off with a tissue? I am concerned about the possibility of the previous user's blood contaminating the next user's wound and causing infection.

Fang Ni, 20~29 year old female. Ask Date: 2018/03/29

Dr. Huang Xunying reply Family Medicine

Yes, in principle, it is not recommended to share such items!

Reply Date: 2018/03/29

More Info

Sharing liquid bandages, especially those that come with an applicator brush, poses a significant risk for cross-contamination and potential transmission of bloodborne pathogens. When a brush that has come into contact with blood is used to apply a liquid bandage, there is a possibility that infectious agents could be transferred to the liquid bandage itself. This is particularly concerning if the next user has an open wound or compromised skin integrity.

Bloodborne pathogens, such as HIV, hepatitis B, and hepatitis C, can survive outside the human body for varying lengths of time, depending on the environmental conditions. While HIV is relatively fragile and does not survive long outside the body, hepatitis B and C can remain viable for days or even weeks in dried blood. Therefore, if the brush used to apply the liquid bandage has been contaminated with blood, it is prudent to consider the entire container of liquid bandage as potentially contaminated.

Even if the brush is wiped clean with a tissue, this does not guarantee that all pathogens have been removed. The wiping process may not effectively eliminate all traces of blood or pathogens, especially if the brush has absorbed blood into its bristles. As a result, it is advisable to avoid sharing liquid bandages that have been used in this manner.

In medical and healthcare settings, strict protocols are in place to prevent cross-contamination. This includes the use of single-use items whenever possible and ensuring that any item that has come into contact with blood is disposed of properly. In the case of liquid bandages, it is best practice to use a new, unopened container for each individual to minimize any risk of infection.

In summary, sharing liquid bandages after they have come into contact with blood is not safe. It is essential to prioritize safety and hygiene by using individual containers and applicators to prevent the risk of transmitting infections. If there is any doubt about the cleanliness or safety of a product, it is always better to err on the side of caution and avoid sharing.

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