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
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,...
22 April
Atypical solar lentigo
An atypical solar lentigo is a solar lentigo with unusual characteristics.
22 April
Atopy patch test
The classical tests for immediate Type 1 hypersensitivity (allergy) are specific IgE antibody levels, such as the radioallergosorbent test (RAST),...
25 February
Listeriosis
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
Guselkumab is a biologic treatment indicated for moderate to severe psoriasis.The U.S.
8 January
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
Allergy on DermNet
Allergies explained
Allergy is an abnormal response of the body to a foreign body, known as an antigen.
22 February
Allergic contact dermatitis
Allergic contact dermatitis is a form of dermatitis/eczema caused by an allergic reaction to a material, called an allergen, in contact...
29 November
Allergic contact cheilitis
Cheilitis is the name given to inflamed lips.What is allergic contact cheilitis?Allergic contact cheilitis is allergic contact dermatitis affecting the...
22 April
Allergic conjunctivitis
Conjunctivitis is inflammation of the conjunctiva of the eye.
17 April
Contact urticaria
Contact urticaria is an immediate but transient localised swelling and redness that occurs on the skin after direct contact with...
7 January
Oral allergy syndrome
Oral allergy syndrome refers to oropharyngeal symptoms triggered by eating specific raw foods.As it occurs in people with pollen allergy,...
13 January
Cosmetics allergy
A cosmetic is defined as a topically applied product that is used to beautify, cleanse or protect the hair, skin,...
4 November
Food allergy
Food allergy is an immunological reaction to a food protein that is either immediate (occuring seconds to minutes after eating...
22 April
Contact allergens
A large number of contact allergens are described on DermNet.
22 April
Skin prick testing
Skin prick testing is an allergy test used to identify allergens responsible for triggering symptoms in allergic diseases.
17 December
Patch tests
Patch tests are used in patients with dermatitis, to find out whether their skin condition may be caused or aggravated...
22 February
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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