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The legs and face are the most common sites involved, although cellulitis can occur on any part of the body. [1] The leg is typically affected following a break in the skin. [1] Other risk factors include obesity, leg swelling, and old age. [1] For facial infections, a break in the skin beforehand is not usually the case. [1]
Most common: impetigo, cellulitis, and erysipelas – infections of the skin which can be complicated by necrotizing fasciitis – skin, fascia and muscle; strep throat AKA strep pharyngitis – pharynx; Less common: bacteremia can be associated with these infections, but is not typical. septic arthritis – joints; osteomyelitis – bones
Unlike cellulitis, it does not affect deeper layers of the skin. It is primarily caused by the Group A beta-hemolytic streptococci, with Streptococcus pyogenes being the most common pathogen. [10] Folliculitis, a skin condition in which hair follicle, located in the dermal layer of the skin, becomes infected and inflamed.
Erysipelas (/ ˌ ɛ r ə ˈ s ɪ p ə l ə s /) is a relatively common bacterial infection of the superficial layer of the skin (upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, typically on the face or legs, but which can occur anywhere on the skin.
Skin infections are the most common form of S. aureus infection. This can manifest in various ways, including small benign boils, folliculitis, impetigo, cellulitis, and more severe, invasive soft-tissue infections. [7] [3] Staphylococcus aureus is extremely prevalent in persons with atopic dermatitis (AD), more commonly known as eczema. [32]
Bacterial pathogens often cause infection in specific areas of the body. Others are generalists. Bacterial vaginosis is a condition of the vaginal microbiota in which an excessive growth of Gardnerella vaginalis and other mostly anaerobic bacteria displace the beneficial Lactobacilli species that maintain healthy vaginal microbial populations.
(One study found that cognitive impairment starts to become noticeable when you lose 2.8% of your body weight in fluid—which can happen when you do high-intensity exercise without drinking more ...
In adults the most common source of aspiration pneumonia is aspiration of oropharyngeal secretions or gastric contents. In children the most common cause is aspiration of infected amniotic fluid, or vaginal secretions. Severe periodontal or gingival diseases are important risk factors for establishment of an anaerobic pleuropulmonary infection.
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