Band-aids have become a necessity in our family’s medicine cabinet, and because they are easy to carry and also have the function of adhesive tape, they are often a necessity when we travel. The main function of band-aids is to stop bleeding and protect the wound, but if used improperly, they can easily cause adverse reactions. We recommend an article to tell you the main ingredients of band-aids and the main points of use. Band-aids should be used in this way: 1, band-aids are only suitable for neat incisions, clean, bleeding and shallow wounds 2, to clean and disinfect the wound before use Band-aids do not have a bactericidal function, and will not be anti-tetanus and other anaerobic bacteria and other viruses, so the use of band-aids must be cleaned before the trauma. 3, for all kinds of skin boils can not use band-aids, because the absorbency and permeability of band-aids is poor, not conducive to the absorption and drainage of pus, but conducive to the growth and reproduction of bacteria. 4, dressing the wound should not be too tight, in order to prevent the wound blood supply. The use of trauma should not be too long, should be a day a change 5, in the use of waterproof band-aids, as little contact with water, to pay attention to the observation and protection of the wound, the water soaked immediately after replacement, otherwise it is easy to seepage, resulting in wound infection. Which wounds can use band-aids to solve? A 4-year-old girl in Suzhou was injured in the middle finger of her left hand, but she wrapped her finger too tightly with a band-aid and used it for more than two days, causing poor blood flow to the finger, resulting in necrosis and amputation. Not all wounds are suitable for band-aids in daily life! Band-Aids are also known as benzalkonium chloride patches. Benzalkonium chloride is an antiseptic that disinfects the skin, mucous membranes and wounds, so it is called a Band-Aid when there is a wound. Ordinary Band-Aid mainly consists of flat cloth adhesive tape and absorbent pad. Benzalkonium chloride is in that absorbent pad, which is applied to the wound to release benzalkonium chloride and then play the role of disinfection. There is no hemostatic component inside this pad. The reason why ordinary band-aids can stop bleeding is because of the principle similar to bandages, which squeeze and tighten the wound to stop bleeding, and if there is no tightening of the wound, there is no hemostatic effect. In addition, band-aids only play a temporary hemostatic, protective role of the wound, because of the poor absorbency and aeration of band-aids, not conducive to the drainage of wound secretions, but conducive to the growth and reproduction of bacteria, will make the wound and the surrounding skin whitening, softening, leading to secondary infection, therefore, band-aids should not be used for too long. And band-aids can not be wrapped too tightly, or the wound is not breathable will occur anaerobic bacterial infection, but also easy to make the injured part of the blood circulation is blocked and ischemic necrosis occurs. What wounds can be solved using Band-Aids Band-Aids can play a role in some mild skin trauma to stop bleeding and prevent contamination, but because the structure of Band-Aids is limited, so we must remember that it is a mild trauma, which is what we usually call a small wound. Such wounds are generally not larger than the band-aid gauze area, which is about one square centimeter. If the wound area is larger than the Band-Aid gauze surface, or if the wound is long and bleeding, you should take other measures or go to the hospital directly. If the wound is more superficial, neat and clean, not much bleeding, small wounds that do not need stitches, then the use of Band-Aids is the most time-saving methods and measures. If only a little skin is bruised, a small amount of bleeding and the bleeding is controlled through its own mechanism do not use Band-Aids to dress the wound, the exposed wound will heal faster. For wounds with more bleeding should not use band-aids, but should promptly go to the hospital for treatment. In addition, there are the following cases where the CFDA does not recommend the use of Band-Aids For small and deep wounds should not use band-aids, because it is not easy to clean, easy to leave foreign bodies and contaminated by bacteria, especially easy to infect tetanus bacteria and other anaerobic bacteria, if you put on a band-aid, it will aggravate the infection. For animal bites, stings caused by wounds, do not use band-aids, so as to avoid the accumulation or spread of toxic juices and germs in the wound, which is simply adding fuel to the fire. Band-aids should not be used for various skin boils because they are less absorbent and less breathable, which is not conducive to the absorption and drainage of pus, but rather to the growth and reproduction of bacteria. In addition, other heavily contaminated wounds, infected wounds, heavy or wide skin abrasions, burns and burns, dermatological wounds, etc., are not suitable for the use of band-aids.