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

Contact allergy to bufexamac

Bufexamac is a topical non-steroidal anti-inflammatory drug (NSAID).

2 September 2018

Skin cancer apps

In an article sponsored by Miiskin, we discuss technology that supports self skin examination. 

29 August 2018

Tranexamic acid

Tranexamic acid is an anti-fibrinolytic agent, and is commonly used for heavy menstrual bleeding.

17 September 2018

Hidradenitis suppurativa guidelines

Hidradenitis suppurativa is a debilitating and distressing chronic inflammatory skin disease affecting about one in every 150 Australians.

20 September 2018

Cellulitis mimics

Cellulitis is an acute bacterial infection of the dermis and subcutaneous tissues of the skin.

8 August 2018


In March 2018, tildrakizumab (Ilumya™; Sun Pharma India) received US Food and Drug Administration (FDA) approval for the treatment of...

5 September 2018

Linea nigra

Linea nigra is a physiological form of hyperpigmentation commonly seen in the first trimester of pregnancy [1–3].

4 September 2018

Intravascular lymphoma

Intravascular lymphoma is a rare subtype of large B-cell lymphoma in which lymphoma cells proliferate within the lumen of small...

3 August 2018

Carcinoma cuniculatum

Carcinoma cuniculatum is a rare, slow-growing variant of cutaneous squamous cell carcinoma (SCC).

19 August 2018

Melanocortin 1 receptor gene

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

9 September 2018

Medical hypnosis

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

4 September 2018

Blood-based melanoma detection

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

9 September 2018

Acne in children

Prepubertal acne has been classified into the following age groups by a panel convened by the American Acne and Rosacea...

19 August 2018

Keratoelastoidosis marginalis

Keratoelastoidosis marginalis is an acquired form of marginal keratoderma.

19 August 2018

Atypical solar lentigo


2 September 2018

Atopy patch test

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

30 August 2018


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

24 March 2018

Prader-Willi syndrome

Prader–Willi syndrome is the most common genetic cause of obesity.  It was first described in 1887 by John Langdon Down,...

17 September 2018


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 2018

Rickettsia typhi

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

3 August 2018

Climate change and skin

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

17 September 2018

Pemphigoid nodularis

Pemphigoid nodularis is a rare nodular variant of bullous pemphigoid.

31 July 2018

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. 

Read more

Support us

Help us to grow and update the database

Subscribe to the DermnNet NZ newsletter

Get all website updates by email