wound infection

A wound infection occurs when bacteria enter a break in the skin and begin to multiply, overwhelming the body’s immune response. The type and severity of an infection can vary, ranging from local infections of the skin and soft tissue to more serious infections that can spread to other parts of the body.

Five Common Signs of Wound Infection


Redness around a wound is typical during the initial stages of healing. However, if the redness starts to spread or the wound edges become more pronounced and angry-looking, it may indicate an infection. The red area may also feel warm or hot to the touch.


Swelling is another normal response to injury as the body rushes fluid and white blood cells to the site to begin the healing process. However, persistent or increasing swelling may be a sign that an infection has taken hold.


A wound that feels warm or hot is a sign of inflammation, and when accompanied by other symptoms, warmth can be a warning sign of infection. This symptom often extends beyond the immediate area of the wound.


Pain is your body’s signal that something is amiss. While pain at the wound site is normal, if the pain escalates or doesn’t subside with time, it might be an indicator of infection. Pain that worsens or is out of proportion to the size or severity of the wound should be taken seriously.


Any discharge or pus coming from the wound is a clear signal that your wound could be infected. The discharge might be off-white, yellow, green, or even brown and can have an unpleasant odor.

When to Seek Medical Advice

It’s important to monitor any wounds for these symptoms, especially within the first few days after an injury or surgery. Here are some specific scenarios when you should seek medical advice:

  • If you have any of the above symptoms and they’re either worsening or not improving with time.
  • If you have underlying health conditions such as diabetes, which can make you more susceptible to infections.
  • If you are running a fever, which indicates your body is fighting off an infection.
  • If the wound is from an animal or human bite, even if it appears small or insignificant.
  • If you were injured with a rusty object or the wound was exposed to dirt or saliva.
  • If you have concerns about tetanus or if your tetanus vaccination is not up to date.

Early intervention is key to preventing a minor wound from becoming a major health concern. Cleaning the wound with water and gentle soap, keeping it covered, and monitoring for signs of infection are all important steps in the healing process. However, if an infection is suspected, a healthcare provider can assess the situation and may prescribe medication or further treatment as necessary.


Being informed about the signs of wound infection is an important step in ensuring proper wound care. Redness, swelling, warmth, pain, and discharge are all symptoms that should prompt further evaluation by a healthcare professional. It’s better to err on the side of caution and get wounds checked out before an infection has a chance to become severe. Remember, when in doubt, consult a medical professional to get the care you need.

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