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Congenital malalignment of the great toenails

Congenital malalignment of the great toenails, also known as congenital malalignment syndrome, is a dystrophic nail disorder caused by the...

Trichoscopy of localised cicatricial hair loss

Primary cicatricial alopecias comprise a group of disorders in which there is permanent destruction of the hair follicle.

Peristomal intestinal metaplasia

Peristomal intestinal metaplasia (PIM) is a rare but serious complication affecting the skin around a gastrointestinal stoma site.


Antiseptics are chemical agents that slow or stop the growth of micro-organisms on external body surfaces, helping prevent infection.


Spesolimab (Spevigo®) is an FDA-approved biological treatment administered via intravenous infusion for generalised pustular psoriasis flares.

Habit-tic nail deformity

Habit-tic nail deformity is a type of acquired psychodermatosis affecting the nail unit.


Topical clascoterone cream 1% (Winlevi®) is a novel androgen receptor inhibitor used for the treatment of acne vulgaris in patients...


COVID-19 (coronavirus disease 2019) is a contagious viral disease caused by severe acute respiratory syndrome coronavirus 2.

Kimura disease

Kimura disease (KD) is a rare, chronic, inflammatory disorder that typically presents as painless subcutaneous nodules in the head and...

Hereditary coproporphyria

Hereditary coproporphyria (HCP) is a rare subtype of porphyria caused by a defect in the CPOX enzyme.

Scalp psoriasis

Scalp psoriasis is characterised by red, thickened patches or plaques with overlying silvery-white scales, affecting part or all of the...

Emollients and moisturisers

Components of moisturisers include emollients, occlusives, and humectants.


Nemolizumab is a biological therapy used to treat moderate to severe prurigo nodularis and atopic dermatitis.

Rubinstein-Taybi Syndrome

Rubinstein-Taybi syndrome (RTS), or broad thumb-hallux syndrome, is a rare genetic condition with a broad phenotypic spectrum that ranges from...

Childhood infections

Meningococcal disease

Meningococcal disease is an illness caused by the bacteria Neisseria meningitidis.


Measles is a highly contagious viral infection causing fever and a rash. Early symptoms are like the common cold, with...


Chickenpox is a highly contagious viral infection that causes an acute fever and blistered rash, mainly in children.

Fifth disease

Erythema infectiosum is a common childhood infection causing a slapped cheek appearance and a rash.

Herald patch: pityriasis rosea
Pityriasis rosea

Pityriasis rosea is a viral rash which lasts about 6–12 weeks. It is characterised by a herald patch followed by...


Impetigo is a common, superficial, highly contagious bacterial skin infection characterised by pustules and honey-coloured crusted erosions.


A boil (also called a furuncle) is a deep form of bacterial folliculitis (infection of a hair follicle).

Hand foot and mouth disease

Hand, foot, and mouth disease (HFMD or HFM) is a common, self-limiting, viral infection that causes blisters on the hands,...

Papular acrodermatitis

Papular acrodermatitis of childhood is a characteristic response of the skin to viral infection in which there is a papular...

Molluscum contagiosum

Molluscum contagiosum is a common viral skin infection of childhood that causes localised clusters of umbilicated epidermal papules.

VIral warts

A viral wart is a very common benign lesion caused by infection with human papillomavirus (HPV).

Head lice

Head lice are small, wingless insects that infest the human scalp.


Scabies is a transmissible skin disease caused by the ectoparasitic mite Sarcoptes scabiei var.

Slider: Childhood infections


Supported by and contributed to by New Zealand Dermatologists on behalf of the New Zealand Dermatological Society Incorporated.

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