Dermnetnz.org

DermNet Dermatology Resource

Welcome to DermNet, the world's leading free dermatology resource. Scroll through evidence-based information on dermatological diseases (skin conditions), procedures, and treatments.

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URL: https://dermnetnz.org/

Skin Conditions A-Z DermNet

WEBSkin Conditions. DermNet features a database of thousands of pages covering almost every known skin condition. You'll find these below along with pages on treatments, …

Category: Health Go Health

Skin signs of gastrointestinal disease DermNet

WEBIt presents with the clinical triad of dermatitis, alopecia and diarrhoea. Skin signs include: Pink, scaly patches and plaques on extremities, periorificial and anogenital sites. Can …

Category: Health Go Health

Skin immune system DermNet

WEBThe skin has an immune system that protects the body from infection, cancer, toxins, and attempts to prevent autoimmunity, in addition to being a physical barrier against the …

Category: Cancer Go Health

Skin barrier function DermNet

WEBSkin as a barrier. Skin is the largest organ of the human body and comprises three major layers; epidermis, dermis, and subcutis [see Structure of normal skin]. One vital function …

Category: Health Go Health

Seborrhoea. Oily skin DermNet

WEBSeborrhoea (or seborrhea) is the name given to excessively oily skin. It is due to overactive sebaceous glands and can affect both males and females. The oil produced by the skin …

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Lichen sclerosus: Causes, Diagnosis, and Images

WEBIt may cause discomfort or bleeding when passing bowel motions, and aggravate any tendency to constipation, particularly in children. Lichen sclerosus causes adhesions …

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Acanthosis Nigricans: Causes, Diagnosis, and Treatment

WEBAcanthosis nigricans is a skin condition characterised by a velvety papillomatous overgrowth of the epidermis. Darkening and thickening ( hyperkeratosis) of the skin …

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What Is A Dermatologist

WEBDefinition. A dermatologist is a medical doctor who has specialised in medicine and then further specialised in diagnosing, managing, and treating conditions that affect the skin, …

Category: Medical, Medicine Go Health

Cutaneous squamous cell carcinoma

WEBCutaneous squamous cell carcinoma (SCC) is a common type of keratinocyte cancer, or non- melanoma skin cancer. It is derived from cells within the epidermis that make …

Category: Cancer Go Health

What is dermatology

WEBDefinition. Dermatology is the medical discipline that is concerned with the diagnosis and treatment of diseases of the skin, hair, and nails in both children and adults. Specialists …

Category: Medical Go Health

Paronychia (nail fold infection): Causes, Images, treatment

WEBChronic paronychia is a gradual process. It may start in one nail fold, particularly the proximal nail fold, but often spreads laterally and to several other fingers. Each affected …

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Helicobacter pylori infection and skin diseases

WEBWhat are Helicobacter pylori? Helicobacter pylori (H. pylori) are bacteria found in the stomach that are responsible for most cases of peptic ulcer.About half of the world's …

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Prurigo: Signs and Symptoms — DermNet

WEBPrurigo simplex presents as symmetrically distributed, small, intensely itchy, dome-shaped bumps. Sometimes there are tiny blisters. They are most numerous on the outer aspects …

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Microorganisms found on the skin DermNet

WEBThe majority of microorganisms on our skin are commensals, as they infrequently cause ill health. However, in some circumstances commensal microbes such as S. epidermidis …

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Hand, foot, and mouth disease

WEBHand, foot, and mouth disease (HFMD or HFM) is a common, self-limiting, viral infection that causes blisters on the hands, feet, and inside or around the mouth. It mainly affects …

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Antiseptics: Uses, Types, and Safety — DermNet

WEBAn antiseptic is a chemical agent that slows or stops the growth of microorganisms on external surfaces of the body and helps to prevent infection. …

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Pityriasis alba (dry white patches) DermNet

WEBPatches are round, oval or irregular in shape. Pityriasis alba may have well- demarcated or, more usually, poorly defined edges. Itch is minimal or absent. Hypopigmentation is more …

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Smoking and its effects on the skin DermNet

WEBIntroduction. Skin and hair are exposed to various environmental noxious agents, including tobacco smoke. Tobacco smoke consists of thousands of substances that damage the …

Category: Health Go Health