Causes & Health Information
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Some Basics...
- Burns cause damage to the body's tissues, such as the skin. Burns are called first, second, or third degree based on the amount of tissue damage they cause.
- Chemical burns result from lye, acids, or other tissue-damaging chemicals. If washed off right away, chemicals often only cause first-degree burns.
- Electrical burns result from electricity passing through the skin.
- A tetanus shot is sometimes needed after a burn.
Causes
Thermal burns are skin injuries caused by heat.
- Hot water or hot drinks
- Hot ovens or stoves
- Electric or kerosene space heaters
- Exhaust pipes
- Hot grease
- Hair curling or clothes irons
Degrees of Burn Severity
- First Degree (surface burns): Red skin without blisters. These burns most often do not need to be seen by a doctor.
- Second Degree (partial thickness burns): Red skin with blisters. These burns heal from the bottom up in 2-3 weeks.
- Small unbroken blisters (smaller than 2 inch or 5 cm) can be left alone. You do not need to pop or cut off the blister. An unbroken blister helps to stop infection and pain. It acts like a natural adhesive bandage (Band-Aid). However, most blisters over 1 inch (2.5 cm) will go on to break open.
- Large unbroken blisters (wider than 2 inch or 5 cm) most often break open within a couple days. The dead blister skin should be trimmed. This is best done by a doctor or other healthcare provider.
- Broken blisters need to have the dead blister skin removed. A person can do this at home. Most broken blisters do not have fluid in them. The fluid has all leaked out. The blister skin will look flat or wrinkled.
- Third Degree (full thickness burns): These are deeper burns with white or charred skin. The burn may be numb to pain and touch. These burns most often need a skin graft if larger than a quarter (1 inch or 2.5 cm). This will help to limit scarring.