Scarlet fever: Causes, Treatment, and Outcome - DermNet
2016年3月5日 · Scarlet fever is a bacterial illness that often presents with a distinctive rash made up of tiny pinkish-red spots that cover the whole body. It affects people who have recently had a sore throat (strep throat) or school sores caused by certain strains of the group A …
Streptococcal skin infections - DermNet
Flucloxacillin is more appropriate than simple penicillin as it treats both Staphylococcus (staph) and strep. If the laboratory has confirmed streptococcal infection, then the most appropriate antibiotic is usually penicillin. All streptococci in the Lancefield group …
Perianal streptococcal dermatitis
Perianal streptococcal dermatitis, Anogenital cellulitis of infancy/childhood, Anogenital cellulitis of infancy/chlidhood due to Group A beta-haemolytic streptococci, Perianal streptococcal cellulitis, Perianal streptococcal infection. Authoritative facts from DermNet New Zealand.
Exanthems (reactive rashes) - DermNet
Many exanthems have distinct patterns of rashes and prodromal (pre-rash) symptoms allowing clinical diagnosis. Consult local laboratory resources to determine the most suitable tests in case of doubt, particularly in a very sick patient or if the exanthem arises during pregnancy or immune suppression. Tests may include:
Perianal dermatoses
Malignancies of the perianal skin may resemble a rash. Extramammary Paget disease. Extramammary Paget disease is an intraepithelial adenocarcinoma which can involve the perianal skin particularly in males. Lesions may appear as itchy, unilateral or asymmetric, erythematous or pigmented plaques with scaling, ulceration, or crusting.
Staphylococcal scalded skin syndrome - DermNet
2021年11月17日 · A red rash with wrinkled tissue or paper-like consistency Typically starts on the face and flexural regions (groin, axillae, and neck), then spreads rapidly to other parts of the body including the arms, legs, and trunk. In newborns, lesions can be found around the umbilical cord. Following the rash, the formation of large fluid-filled blisters
Erysipelas - DermNet
Erysipelas is usually diagnosed by the characteristic rash. The differential of erysipelas is similar to the cellulitis mimics. There is often a history of a relevant injury. Tests may reveal: Raised white cell count; Raised C-reactive protein; Positive blood culture identifying the organism. MRI and CT are undertaken in case of deep infection.
Toxic shock syndrome and toxic shock-like syndrome - DermNet
In the late 1980s a disease that showed similar signs and symptoms to toxic shock syndrome but was caused by exotoxins released by toxin-producing M-protein strains of Strep pyogenes, was described. This disease although sometimes also referred to as toxic shock syndrome is more correctly known as streptococcal toxic shock-like syndrome (STSS).
Guttate psoriasis - DermNet
However, antibiotics seldom help the rash of guttate psoriasis; Narrowband UVB phototherapy; Emollients; Tonsillectomy for recurrent episodes; What is the outcome for guttate psoriasis? Guttate psoriasis often clears within 3-4 months, even without treatment. Patients with proven streptococcal infection triggering the guttate psoriasis have a ...
Cutaneous small vessel vasculitis - DermNet
2016年1月23日 · In most patients presenting with the first episode of acute cutaneous small vessel vasculitis, general measures are all that is required to keep the patient comfortable until the rash spontaneously resolves. If an underlying cause is found, remove the trigger (for example, stop the drug) and treat associated disease(s)