Bacterial infection when bacteria enter your body your immune system sends infection fighting white blood cells to the affected area as the white blood cells attack.
pressure and inflammation cause the pain and surrounding redness of the skin people with weakened immune systems get certain abscesses more often this is because the body has a decreased ability to ward off infections those with any of the following are at risk of having more severe abscesses  causes a lung abscess is usually caused by bacteria that normally live in the mouth or throat and that are inhaled aspirated into the lungs resulting in an infection often gum periodontal disease is the source of the bacteria that cause a lung abscess  they develop from different strains of bacteria and have different causes primary abscesses often develop from lung infections such as pneumonia secondary abscesses often develop because of other issues such as obstructions abnormalities of the lungs foreign materials or other infections abscess causes abscesses are caused by obstruction of oil sebaceous glands or sweat glands inflammation of hair follicles or minor breaks and punctures of the skin germs get under the skin or into these glands which causes an inflammatory response as your body s defenses try to kill these germs  in rare cases the infection that causes an abscess may spread and lead to serious health problems what you can do abscesses are always serious because the infection may spread to other parts of the body call your dentist for an appointment most abscesses are painful so people usually seek treatment right away sometimes the infection causes little or no pain if an abscess is not treated the infection can last for months or even years it will not go away on its own so it s important not to ignore the symptoms a skin abscess also called a boil is a bump that appears within and on the surface of the skin this bump is usually filled with pus or translucent fluid and is the result of a bacterial infection a skin abscess may appear on any part of the body however they are most commonly found on the back face and chest skin abscesses can also appear in areas of hair growth such as the underarms or groin identifying a skin abscess an abscess appears as a bump on the skin similar to a pimple however it can grow over time and resemble a fluid filled cyst or a skin boil depending on what caused the abscess other symptoms may also be present these symptoms may include fever nausea chills swelling lesions on the sk causes of an abscess most abscesses are caused by a bacterial infection however they can very occasionally develop due to an infection by viruses fungi or parasites when foreign organisms such as bacteria enter the body the immune system sends white blood cells to fight the infection abscesses that develop inside the tummy abdomen are caused by an infection reaching tissue deeper within the body this can occur as a result of an injury abdominal surgery an infection spreading from a nearby area most abscesses are caused by a bacterial infection when bacteria enter your body your immune system sends infection fighting white blood cells to the affected area as the white blood cells attack the bacteria some nearby tissue dies creating a hole which then fills with pus to form an abscess an abscess is a painful collection of pus usually caused by a bacterial infection an abscess can develop anywhere in the body this article focuses on two types of abscess skin abscesses which develop under the skin
http://www.webmd.boots.com/skin-problems-and-treatments/guide/abcess http://www.merckmanuals.com/home/lung-and-airway-disorders/abscess-in-the-lungs/abscess-in-the-lungs http://www.healthline.com/health/lung-abscess http://www.webmd.com/a-to-z-guides/abscess http://www.colgate.com/en/us/oc/oral-health/conditions/dental-emergencies-and-sports-safety/article/abscess http://www.healthline.com/symptom/skin-abscess http://www.nhs.uk/Conditions/Abscess/Pages/Causes.aspx http://www.nhs.uk/Conditions/Abscess/Pages/Introduction.aspx
what causes abscess