What is a first-degree burn?
A first-degree burn, the least serious type of burn, is one
in which the top layer of skin has been burned slightly.
These burns produce pain and redness of the skin.
What causes a first-degree burn?
First-degree burns are usually caused by:
- overexposure to the sun
- brief contact with a hot object, such as an iron or
skillet
- minor scalding by hot water or steam
- brief contact with harsh chemicals, such as tile
cleaners, car battery acid, drain cleaners, gasoline, wet
or dry cement, lime, and chlorine.
What are the symptoms?
First-degree burns cause:
- redness
- mild swelling (with few or no blisters)
- pain.
Some first-degree burns, such as extensive sunburns, also
cause restlessness, headaches, and fever.
How is it treated?
For a burn caused by heat, follow these steps:
- Remove jewelry or tight clothing from the burned area
before the skin begins to swell.
- Flush the burn with cool running water or apply cold
moist cloths until the pain lessens. Do not use ice or
ice water, which can cause more damage to the skin.
- Use an antiseptic spray to help relieve pain and prevent
infection or use an aloe cream to soothe the skin. Do
not put ointments, grease, petroleum jelly, butter, or
home remedies on the burn. They can keep the burn from
healing and may cause infection.
- Cover the burn with a clean (sterile, if possible), dry,
nonfluffy bandage such as a gauze pad. Do not put tape
on the burn.
For first aid treatment of chemical burns, follow these
steps, avoiding contact with the chemical:
- Remove right away any clothing or jewelry on which the
chemical has spilled.
- Flush liquid chemicals
from the skin thoroughly with cool
running water for 20 minutes. Be sure to avoid splashing
the chemical in your eyes. After flushing, call the
Poison Control Center for further advice. It helps to
have the chemical container with you when you make the
call.
- Brush dry chemicals
off the skin if large amounts of
water are not available. Small amounts of water will
activate some chemicals, such as lime, and cause more
damage. Be careful not to get any of the chemicals in
your eyes.
- Do not try to neutralize a chemical. For example,
putting an alkali chemical onto skin that has been
exposed to an acid will often produce a large amount of
heat and may increase the burning.
- Do not put any burn medication on skin burned by a
chemical. Salves, grease, or butter may keep the
chemical on the burned area, increasing exposure to the
chemical.
- Do not put a bandage on the burn until you are told to do
so by a health care provider.
- Seek emergency medical help if a chemical burn is on the
face, feet, hands, groin, buttocks, or over a major
joint.
For all burns:
- Take aspirin or ibuprofen to relieve pain and
inflammation, or take acetaminophen to relieve pain.
- Get medical treatment if a burn covers more than a
couple of inches.
- Call or see your health care provider if you develop any
of the following symptoms:
- fever over 100°F (37.8°C)
- puslike drainage from the burned area
- blistering
- excessive swelling of the burned area
- increased redness of the skin.
How long will the effects last?
Usually, first-degree burns heal quickly in 2 to 5 days.
The damaged skin may peel within a day or two. You will not
have any scarring unless an infection occurs.
How can I help prevent burns?
Some examples of things you can do to help prevent burns
are:
- Turn your water heater setting down to 120°F (48.8°C).
- Keep pot handles turned away from the stove front.
- Always wear sunscreen when outdoors.


Disclaimer: This content is reviewed periodically and is subject to
change as new health information becomes available. The
information provided is intended to be informative and educational and is not a
replacement for professional medical evaluation, advice, diagnosis or
treatment by a healthcare professional.
HIA File SFY4915F.HTM Release 9.0/2006. Copyright © 2006 McKesson Corporation and/or one of its subdiaries. All Rights Reserved.
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