Our mission

To make authoritative information about the skin available to anyone in the world with an internet connection.

DermNet NZ was founded 22 years ago by a group of Dermatologists from New Zealand. It has become a world-renowned resource of skin disease information.

Recently added pages

Melanocortin 1 receptor gene

Melanocytes make two forms of melanin in the skin, hair and eyes. 

16 July

Medical hypnosis

Hypnosis, or hypnotherapy, induces someone to enter into a “trance state” using deep breathing and relaxation, meditation and guided imagery. It mandates...

16 July

Blood-based melanoma detection

Cutaneous melanoma is generally first suspected during a skin check and the diagnosis is confirmed by a positive skin...

27 July

Acne in children

Pre-pubertal acne has been classified by age groups according to a panel convened by The American Acne and Rosacea Society...

16 July

Keratoelastoidosis marginalis

Keratoelastoidosis marginalis is an acquired form of marginal keratoderma.

15 July

Melanoma in situ

Melanoma in situ is an early form of primary melanoma in which the malignant cells are confined to the tissue of origin,...

20 June

Atypical solar lentigo

An atypical solar lentigo is a solar lentigo with unusual characteristics.

24 June

Atopy patch test

The classical tests for immediate type I hypersensitivity (allergy) are specific immunoglobulin E (IgE) antibody levels, such as the radioallergosorbent test...

5 June


Listeriosis is a bacterial infection caused by the bacteria Listeria monocytogenes.

24 March

Prader-Willi syndrome

Prader-Willi syndrome is the commonest genetic cause of obesity.  It was first described in 1887 by Langdon-Down, 70 years before...

25 January


Guselkumab is a biological treatment indicated for moderate-to-severe psoriasis.The US Food and Drug Administration (FDA) has approved guselkumab (Tremfya™, Janssen...

7 July

Rickettsia typhi

Rickettsiae are small, obligate intracellular, Gram negative bacteria that spend part of their life cycle in an arthropod host (tick,...

31 December

Climate change and skin

Climate change is a lasting alteration in patterns of weather caused by factors such as oceanic circulation, variations in solar...

16 January

Pemphigoid nodularis

Pemphigoid nodularis is a rare nodular variant of bullous pemphigoid.

5 November

Guidelines for authors

Are you interested in writing for us? DermNet New Zealand is always looking for potential authors to write on new topics. Potential authors interested in writing a new page are generally asked to write a topic page on either a disease or condition, or a treatment, product or procedure. 

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