As a physician, I have on occasion dealt with infected wounds, sometimes from injury and also after surgical procedures. In a survival setting, most wounds will be contaminated with debris, dirt, and bacteria. Therefore, anyone who will be medically responsible after a disaster occurs may expect to deal with wound infections. The ability to recognize and treat infected injuries will be an important one to have in times of trouble.
Recognizing a wound infection
The human body is a miracle of engineering. Our immune system probably nips many contaminations in the bud, but a body under stress sometimes can’t effectively fight germs. This explains why certain people, such as diabetics, are so prone to wound infections. The elderly are especially susceptible.
Your skin is its own ecosystem, with bacteria that naturally live there, such as Staph. Epidermidis. When the immune system fails to recognize and fight an infection, even “normal” skin bacteria can invade deep wounds and cause serious damage. Delays in healing and even invasion of the circulation can lead to life-threatening conditions.
To identify an infected wound, look for these signs:
- Redness around the edges which spreads over time
- Swelling around the wound, sometimes appearing shiny
- Warmth in the area of the wound compared to other parts of the body
- Pain out of proportion to the size of the wound
- Drainage of fluid or pus from the wound, which can have a foul odor
- Lack of healing over time
Red, swollen, warm skin around the wound is referred to as “Cellulitis”. If the wound is deep enough, the bone and its marrow can become infected, which is known as “Osteomyelitis”. Once the bacteria invades the circulation, the entire body is affected. We called this “Septocemia” or “Sepsis”. Septic patients or those with osteomyelitis commonly have fevers to go along with the above-listed signs and symptoms.
Preventing Wound Infections
Proper wound care and frequent dressing changes are the cornerstones to preventing wound infections. In the healing process, new cells fill in an open wound by a process known as “Granulation”. These new cells need a moist environment for rapid growth, and so any deep wound should have a sterile moist (not soaking wet) bandage.
Although iodine or saline solutions are often used to moisten the bandage, recent evidence suggests that sterilized drinkable water is probably as good or better. The moist bandage is then covered with a dry dressing. Oftentimes, triple antibiotic cream is applied to the skin (only) before taping the dressing into place. Mark the bandage with the time and date it was placed.
Wound dressings should be changed at least once or twice daily. Sanitary precautions such as hand-washing, sterilized instruments, and glove usage will significantly decrease the risks of infection.
Treating Wound Infections
The most common cause of serious wound infections is the bacteria Staph. Aureus, although Group A Strep, Pseudomonas, and various intestinal bacteria are other micro-organisms commonly seen. An especially troublesome form of Staph. Aureus has shown resistant to the usual antibiotics used. This is called Methicillin Resistant Staph. Aureus, better known to the public as MRSA. Once only seen in hospital-based infections, this resistant micro-organism is now seen in the general population.
It’s important to not let a wound infection become severe because these are difficult to cure without IV antibiotics. For mild to moderate infections, consider some of the following antibiotics:
- Bactrim (Bird-Sulfa)
- Clindamycin (Fish-Cin)
- Doxycycline (Bird-Biotic)
- Cephalexin (Fish-Flox)
To find out more about these antibiotics and others, as well as dosages, and indications, check out our series of articles on the subject at doomandbloom.net or check out a print or digital copy of the Second Edition of our book “The Survival Medicine Handbook”.
Guest post by by Joe Alton, M.D., aka Dr. Bones of www.doomandbloom.net
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