What is a skin or soft tissue abscess?
An abscess is a pocket of infected fluid with a thick wall
around it. Skin or soft tissue abscesses occur when
bacteria get into tissue below the outer layer of skin.
Often abscesses occur when hair follicles or sweat glands
get infected or after minor scrapes or puncture wounds.
How does it occur?
Most of the time an abscess forms when bacteria enter a
break in the skin. For example, an abscess might develop
when a hair becomes ingrown or when the skin is scratched or
poked with something sharp. As more bacteria grow
(multiply) in the skin or soft tissues, the body responds by
forming a wall around the area to keep the bacteria from
spreading. The bacteria in this pocket continue to multiply
and as they do, the pocket becomes more swollen. Some of
the bacteria may get through the wall and cause an infection
of the tissues around the abscess or even get into the blood
and infect other parts of the body.
What are the symptoms?
The symptoms of an abscess in the skin or soft tissues are:
If the skin around the abscess has become infected, the
redness may spread toward the center of the body and you may
have a fever, body aches, and tiredness.
How is it diagnosed?
Your health care provider will ask about your symptoms and
examine the area that is red and swollen.
How is it treated?
The treatment for an abscess is usually to cut it open and
drain it. This is called an incision and drainage, or I&D.
Infection from the abscess may spread to the surrounding
tissues and even into the bloodstream. To help treat or
prevent spread of the infection, your health care provider
may prescribe antibiotics as part of the treatment. The
abscess itself has to be cut open and drained because the
thick wall around it will not let antibiotics get through to
fight the infection in the abscess.
When an I&D is done, first your health care provider cleans
the skin over the abscess and injects an anesthetic into the
skin to make it numb. He or she then cuts open the abscess,
and the pus drains out. This drainage of pus often
decreases the pain right away because it relieves the
pressure caused by the fluid.
Your health care provider then packs the pocket with gauze.
One end of the gauze is in the abscess and the other end is
left sticking out through the cut in the skin. This allows
the pus that forms in the abscess to drain out. It also
prevents the skin from healing back over the abscess and
sealing it off again. The gauze packing is changed every
day or two. Your body will fill in the pocket where the
abscess was with new tissue. Once the abscess is filled in,
the packing is removed for the last time and the skin is
allowed to heal and close up.
How long will the effects last?
The time it takes for an abscess to heal depends on how big
it is and how fast you heal. Sometimes it takes only a
couple of days, but sometimes it takes weeks.
How can I take care of myself?
- Follow your health care provider's instructions for
taking care of the abscess at home.
- If your provider prescribes antibiotics, take them
exactly as you are directed.
- If the gauze comes out before it is supposed to, you may need to visit your provider to get it replaced so the
skin does not heal shut too soon.
- If you have medicine for pain, make sure to take it
before you see your health provider to get the abscess
repacked. It may hurt a little to take the gauze out and
replace it.
How can I help prevent a skin or soft tissue abscess?
- Clean your skin as soon as possible after you are
scratched or poked.
- If you think you may be developing an abscess, see your health care provider as soon as possible.


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 SKN4870F.HTM Release 9.0/2006. Copyright © 2006 McKesson Corporation and/or one of its subdiaries. All Rights Reserved.
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