Impetigo What is lmpetigo ? This is an acute superficial infection of the skin caused by bacteria. This infection is common in pre-school children and young adults. What are the signs of Impetigo ? The infection appears as skin blisters which later break down to become superficial sores with golden-yellow “stuck on” crusts on the…
Dr Christophe Hsu – dermatologist. Geneva, Switzerland What is Hand Eczema ? Hand Eczema is a common skin condition affecting patients of all ages, especially young adults. It may be caused by Constitutional factors that is, an inherently sensitive skin. Irritation from too much exposure to wet work, detergents, oils and greases, solvents etc at…
Dr Christophe Hsu – dermatologist. Geneva, Switzerland Why do we lose hairs ? Normal hair grows in cycles and goes through 3 stages: A growing phase (anagen) A resting phase (catagen) A falling phase (telogen) At any time, it may be normal for a person to lose as many as 50 hairs a day and…
Dr Christophe HSU – dermatologist. Geneva, Switzerland What is idiopathic guttate hypomelanosis (IGH) ? These are discrete porcelain-white spots measuring about 5mm in diameter. The lesions are localized on sun-exposed areas, more often on the forearms and shins. These spots are stable and do not tend to grow. Hairs located on the lesions are unaffected.…
Fungal Infections Of The Skin (includes “foot rot”) Dr Christophe Hsu – dermatologist. Geneva, Switzerland What is “Pityriasis (Tinea) Versicolor” It is made up of fine scaly white patches on the skin. It may appear on your face, neck, shoulders, arms, trunk or legs. These spots are active yeasts infecting your skin. The medical name…
What are freckles? Freckles are pale brown spots less than 5 mm in diameter with poorly defined margins. They are first noticed during childhood and are common in fair-skinned individuals. Usually occurring on the face, they darken on sun exposure. They are caused by an increased amount of melanin in the pigment cells. The number …
Dr Christophe Hsu – dermatologist. Geneva, Switzerland What are Folliculitis and Furuncle (Boil) ? Folliculitis is a superficial inflammation of hair follicle (hair pore) caused by bacteria. When the infection affected on hair follicle, it is called a furuncle. When the infection affects several hair follicles and the adjacent tissue, it is called a carbuncle…
Dr Christophe Hsu – dermatologist. Geneva, Switzerland What are eczema and dermatitis? Eczema and dermatitis are now generally used to describe the same skin condition and can be used interchangeably. Eczema is one of the commonest reasons for dry, sensitive skin, taking its name from the Greek word ECZEMA, meaning to boil over. This is…
Drug reactions (drug allergy) Dr Christophe Hsu – dermatologist. Geneva, Switzerland A Drug allergy is an unwanted side effect of drugs or medication that are ingested (or injected) into our body. Drug reactions are divided into intolerance and allergies. Drug allergy reactions can affect the skin as well as internal organs of the body. It…
Dr Christophe Hsu – dermatologist. Geneva, Switzerland Nail Disorders can happen in a several skin conditions, either alone or accompanied by rashes. Common affections of the nails include : Nail infection (bacteria, fungi, yeast and virus) Paronychia: an infection of the nail fold Nail disorder due to skin disease (psoriasis…) Trauma to the nail Infection…
