effects young adults – 15 – 30 years of age
i single rash comes first – ( called a herald patch)
Herald = a sign that something is about to happen
this herald patch can be oval/round shaped – ( some times can have 1-2)
hence this is mostly mistaken for a ring worm – and discoid eczema
in about 1-2 weeks – a generalised rash erupts –
they are coin shaped , salmon pink / copper colour – with a scaly margin ( .5-2 cm in size /smaller than the hareld patch) – and the scales are in the inside of the active edge , and has a central clearance
The rash comes along the cleavage lines (Langers lines) – giving the appearance of a Christmas tree.
Distributed mainly in trunk -with a few rashes on upper thigh and upper arms
uncommon on the face or scalp
Itchiness can be 0 / no – to severe
most cases dont itch
Essential clinical features
Optional clinical features
At least one of the following features should be present:
Herald patch: tinea corporis/discoid eczema.
Generalised rash: seborrhoeic dermatitis (slower onset), guttate psoriasis, drug eruption (see Table 124.3), secondary syphilis.
A mild, self-limiting disorder with spontaneous remission in 2–10 weeks (average 2–5). It does not appear to be contagious. Recurrence is rare.
- based on itchiness steroid creams
mild – apply mild topical corticosteroid ointment or calamine lotion with 1% phenol or menthol 1% in aqueous cream.
severe – use a potent topical corticosteroid once or twice daily or oral corticosteroids.
- UV therapy is good but, like psoriasis, sunburn must be avoided. Expose the rash to sunlight or UV therapy (if florid) three times a week, with care.
- Bathe and shower as usual, using a neutral soap (e.g. Neutrogena).
- Use a soothing bath oil (e.g. QV Bath Oil).
Extracted from eTG