Cellulitis risk factors
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1], Associate Editor(s)-In-Chief: Aditya Govindavarjhulla, M.B.B.S.
Overview
The elderly, patients with impaired circulation to and drainage from the extremities, and those with weakened immune systems are especially vulnerable to contracting cellulitis.
Common Risk Factors
Common risk factors for the development of the disease include:
Elderly
The elderly and those with weakened immune systems are especially vulnerable to contracting cellulitis.
Diabetes
Diabetics are more susceptible to cellulitis than the general population because of their impaired immune systems. Diabetics are especially prone to cellulitis in the feet because diabetes causes impaired blood circulation in the legs. This impaired circulation in the legs leads to the development of foot ulcers that commonly become infected. Cellulitis is also a common complication of obesity.
HIV
Immunosuppressive drugs, HIV, and other illnesses or infections that weaken the immune system are also factors that make infection more likely. In addition, chickenpox and shingles often result in broken blisters which can provide an entrance to the skin through which bacteria can enter.
History of Cellulitis
People who previously have had cellulitis are at risk of another flare up.
Varicose Veins
Diseases that affect blood circulation in the legs and feet, such as chronic venous insufficiency and varicose veins, are risk factors for developing cellulitis.
Less Common Risk Factors
Other risk factors for the development of disease include:
Lymphedema
Lymphedema, which causes swelling of the arms and legs, can also put an individual at risk for cellulitis.
Hygeine
Cellulitis is extremely prevalent amongst dense populations sharing hygiene facilities and common living quarters.