Streptococcal skin infections - DermNet
It can be difficult to distinguish clinically between skin infection caused by streptococci and other bacteria such as Staphylococcus aureus. Antibiotics should therefore be chosen to cover the most likely organisms. Flucloxacillin is more appropriate than simple penicillin as it treats both Staphylococcus (staph) and strep.
Scarlet fever: Causes, Treatment, and Outcome - DermNet
2016年3月5日 · The rash usually starts below the ears, neck, chest, armpits and groin before spreading to the rest of the body over 24 hours. Scarlet spots or blotches, giving a boiled lobster appearance, are often the first sign of rash. As skin lesions progress and become more widespread, they start to look like sunburn with goose pimples. The skin may have ...
Erysipelas - DermNet
Erysipelas predominantly affects the skin of the lower limbs, but when it involves the face, it can have a characteristic butterfly distribution on the cheeks and across the bridge of the nose. The affected skin has a very sharp, raised border. It is bright red, firm and swollen. It may be finely dimpled (like an orange skin).
Impetigo (school sores, skin infections): Images, Causes, and
This is due to a type III hypersensitivity reaction and presents 2–6 weeks post-skin infection. Streptococcal toxic shock syndrome: a rare complication causing diffuse erythematous rash, hypotension, and pyrexia. Postinflammatory pigmentation. Scarring, particularly with ecthyma. How is impetigo diagnosed?
Bacterial Skin Infections (bacteria) - DermNet
Many bacterial skin infections resolve without treatment or without serious morbidity. However, skin infections can be severe and cause a significant burden of disease worldwide, sometimes resulting in sepsis and death, particularly in vulnerable patient groups such as the elderly, hospitalised, and immunocompromised.
Perianal streptococcal dermatitis
Perianal streptococcal dermatitis is a bacterial infection of the skin around the anus in children. Who gets perianal streptococcal dermatitis? Perianal streptococcal dermatitis affects children, usually in the age range of 6 months to 10 years, with a …
Cellulitis: Symptoms, Causes, Treatment and more - DermNet
It can occur by itself or complicate an underlying skin condition or wound. The first sign of the illness is often feeling unwell, with fever, chills and shakes (rigors). This is due to bacteria in the bloodstream (bacteraemia). Systemic symptoms are soon followed by the development of a localised area of painful, red, swollen skin. Other signs ...
Toxic shock syndrome and toxic shock-like syndrome - DermNet
Widespread red flat rash. Shedding of skin, especially on palms and soles, 1–2 weeks after onset of illness. Abnormalities in 3 or more of the following organ systems: gastrointestinal: vomiting or diarrhoea. muscular: severe muscle pain. hepatic: impaired liver function. renal: raised urea or creatinine levels
Guttate psoriasis - DermNet
Dyspigmentation in skin of colour; How is guttate psoriasis diagnosed? Guttate psoriasis is a clinical diagnosis, aided by dermoscopy, which can be confirmed on skin biopsy. Examination and investigations should include a search for streptococcal …
Rheumatic fever, erythema marginatum - DermNet
Skin signs in ARF may include: Erythema marginatum rheumaticum – This is a characteristic type of annular erythema that occurs in about 10% of first attacks of ARF in children; it is very rare in adults. The rash can be difficult to detect in dark-skinned people. When present, it is found on the trunk and upper arms and legs, but almost never ...