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Know when the wound needs immediate medical attention. Control the bleeding. Remove any visible debris. Remove or cut clothing away from the wound. Rinse the wound thoroughly. Clean the wound with a washcloth or other soft cloth.

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Although most minor wounds can be bandaged with a Band-Aid and most moderate skin wounds with dressings and medical tape, some are too serious for home care. For example, skin wounds that also involve seriously broken bones need immediate medical attention, as do major injuries to blood vessels that won't stop gushing blood. Wounds to the arms and legs that cause numbness or loss of sensation below the injury may indicate nerve damage, which is also an indication to seek medical care.  Severe loss of blood will quickly make you feel weak and tired (and maybe pass out), so tell someone around you of the seriousness of your injury right away, or call emergency services for assistance. If you have a deep skin wound to your abdomen, your organs may be injured and bleeding internally, so try to get to an emergency medical facility as quick as you can — but get someone to drive you because you might lose consciousness, or call an ambulance. Before you clean and bandage a wound, try to get any bleeding under control. Using a clean, dry bandage (or any clean absorbent cloth), apply very gentle pressure over the wound to control the bleeding. In most cases, the pressure on the wound will promote blood clotting and the bleeding should stop within 20 minutes, although it may continue to ooze a little for up to 45 minutes. The bandage or cloth will also help prevent bacteria from entering the wound and causing infection. In severe cases, a tourniquet can be made by using a neck tie or long piece of cloth to tie a tight knot just above the wound.  If significant bleeding continues even after you apply pressure for 15-20 minutes, the wound may need immediate medical attention. Continue applying pressure and get to a doctor's office, emergency room, or urgent care center. If the bleeding is difficult to control, the person may be on blood thinners or have underlying clotting issues. In these cases, the person should be brought to the attention of a medical professional. Before coming in contact with the wound, put on sanitized medical gloves if available. If gloves aren't available, wrap your hands in some sort of clean barrier such as a plastic bag or multiple layers of clean cloth. Use your bare hands to apply direct pressure to the wound only as a last resort because contact with blood can spread infectious diseases. Furthermore, use soap and water to disinfect your hands before contacting the wound, if possible. Doing so will minimize the possibility of transferring bacteria from your hands to the exposed injury. If there are large pieces of dirt, glass, or other objects embedded in the wound, try to remove them with a clean set of tweezers. Rinsing the tweezers in rubbing alcohol first will help to prevent the transfer of bacteria and other microbes. Take care not to cause further damage by pushing the tweezers into the wound itself.  If you're dealing with a gunshot injury, don't probe around the wound and try to pull out the bullet — leave that for medical professionals. If you are struggling to remove large pieces of debris from the injury site, consider leaving it for healthcare professionals rather than trying to handle it yourself. Pulling out large debris that is entangled with blood vessels may trigger more bleeding. Some first-aid experts recommend waiting to remove all debris until after you've rinsed the wound. If you see only small bits of dirt or grime, this might be the better way to approach the situation, since rinsing will likely wash away the small stuff. To get better access to the wound once the bleeding is under control, remove any clothing and jewelry from the general area of the injury. This should be done so that if the wounded area swells, the tight clothing or jewelry won't affect blood flow. For example, if you're dealing with a bleeding hand wound, remove the wrist watch above the wound. In terms of clothing, if you can't remove it from around the wound, then consider cutting it away with blunt-nosed safety scissors (ideally). For example, if you're dealing with a thigh injury, remove the pants or cut them away from the wound before trying to clean and bandage it.  If you can't get the bleeding under control, you may have to use the ripped clothes or belt to make a tourniquet, which puts pressure on the arteries above the wound. However, tourniquets should only be used in emergency life-threatening situations and for short-periods of time because tissue starts to die within a few hours of not getting any blood. Once clothes are removed to clean and bandage the wound, they may need to be used as a makeshift blanket to cover the injured person and keep them warm. In the best case scenario, wash out the wound thoroughly with saline solution for at least a few minutes until it looks free of dirt and debris. Saline solution is ideal because it decreases the bacterial load by rinsing it away and is typically sterile when bought packaged. If you don't have access to saline solution, then use clean drinking water or tap water, but make sure you let it run over the wound for a few minutes. Squeezing it out of a water bottle works well for this, or hold the wound under the tap if possible. Don't use hot water; instead use lukewarm or cool water.  Saline solution can be purchased commercially. Some experts recommend using a mild soap, such as Ivory dish-washing liquid, to get the wound as clean as possible, but sometimes soap can irritate injured tissue.  If you're cleaning a wound near the eye, be careful not to get soap in the eye. Using very gentle pressure, pat the wound with a clean cloth to make sure that it is completely clean after you've flushed it out with saline solution or regular running water. Do not push too hard or scrub too vigorously, but make sure you've removed any remaining debris. Keep in mind that gentle scrubbing may cause a bit more bleeding to occur, so reapply pressure to the wound after the cleaning.  Apply an antibacterial cream to the wound at this stage prior to bandaging, if available. Antibacterial creams or ointments, such as Neosporin or Polysporin, help prevent infection. The cream will also keep the dressing from sticking to the wound. Alternatively, you may wish to add natural sanitizer to the wound, such as iodine solution, hydrogen peroxide, or colloidal silver (which is the only one that won't sting).  Evaluate the wound after cleaning. Some wounds need stitches to heal properly. If you notice any of the following signs, seek medical attention rather than trying to bandage the wound yourself: the wound appears to be quite deep, it has jagged edges and/or it won't stop bleeding.