The information and material contained in this website, dermnetnz.org, is provided free of charge for general information purposes only and is applicable for New Zealand.

The information represents the current view of the individual authors and does not necessarily represent the view of the DermNet New Zealand Trust, the owner of DermNet NZ; or its sponsors and other contributing institutions; nor does inclusion on the site of advertisements for specific products or manufacturers indicate endorsement by DermNet NZ, contributing institutions or authors.

While every reasonable effort has been made to ensure that the information provided in this website is current and accurate, the trustees of DermNet NZ and authors and website administrators of DermNet NZ will assume no responsibility for the accuracy and correctness of the information on this site or for any consequences of relying on it.

The information provided herein is not intended to represent medical advice to any person on any specific matter and should not substitute any advice or treatment from a medical practitioner. You must consult your physician or a specialist dermatologist in the first instance. Individuals or users who place reliance on the information contained in this site do so entirely at their own risk and no action or claim can be brought against the authors, website administrators or the DermNet New Zealand Trust for any consequences arising out of such reliance.

External links

Certain links on this site may take you to other websites that are neither owned nor controlled by DermNet NZ.

DermNet NZ does not monitor or endorse any of the information found at these external sites. The links are provided merely as a convenience to users. DermNet NZ assumes no responsibility for the information of content available on any other website accessible by these links, nor does DermNet NZ endorse as a matter of principle the material provided on such sites. The inclusion of links on this website does not necessarily imply any association with the organisations or administrators or authors responsible for those sites.


The information and material available on this website is the copyright of the DermNet New Zealand Trust. 

The copyright for DermNet NZ advertisements and sponsors' logos lies with their respective owners.

Terms of use of DermNet NZ pages

The use of DermNet NZ's topic pages for the purpose of education is encouraged. Copies of individual pages can be printed for individual use provided they retain the header indicating the source of the information (i.e., DermNet NZ or www.dermnetnz.org). You must comply with Creative Commons Attribution-NonCommercial-NoDerivs 3.0 New Zealand licensing requirements for our content and images (CC BY-NC-ND 3.0 NZ). Any other reproduction of the content of this site, in part or in whole, will only be permitted with the written permission of DermNet New Zealand.

You are free to share — copy and redistribute the material in any medium or format, for example, slide presentations, student projects, textbooks, journals, brochures, blogs, intranet and internet pages— under the following terms:


You must give appropriate credit to DermNet New Zealand, provide a link to the license (http://creativecommons.org/licenses/by-nc-nd/3.0/nz/), and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the DermNet New Zealand Trust endorses you or your use.


You may not use DermNet New Zealand content or images for commercial purposes, including product promotion activities or mobile apps that require users to pay a fee.

No Derivatives  

If you remix, transform, or build upon DermNet New Zealand material, you may not distribute the modified material.

No additional restrictions

You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

For detailed explanation of the license’s terms, please refer to http://creativecommons.org/licenses/by-nc-nd/3.0/nz/.

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