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…
What is Candidiasis ? This is a kind of yeast infection affecting the diaper area. It is usually the result of irritation and maceration from urine and moisture under the diapers: It is almost always present after 3 days The heat and moisture allow the yeast to overgrow. How does it present ? Redness, swelling,…
Venous leg ulcer What are venous leg ulcers? Venous leg ulcers are the commonest cause of chronic, non-healing ulcers of the leg. They occur in adults of both sexes and can take a long time to heal. There are many other causes of chronic leg ulcers and proper evaluation by a medical doctor is needed…
What is Contact Allergy ? Contact allergy is an allergic skin reaction from coming into contact with a substance that is usually harmless. What are the common manifestations of contact allergy ? The commonest manifestation is an itchy rash that develops over a few days, after skin contact with a substance. The affected area first…
Dr Christophe Hsu – dermatologist. Geneva, Switzerland Acne Vulgaris What is the cause of acne? There are several causes of acne. One theory is that when the male hormone level (testosterone) increases during puberty, the skin of an acne prone person reacts to the hormone and produces excess sebum. No one knows why some individual’s…
Why do I have excessive hairs? A. For most people, this is due to genetic or familial factors. There is no underlying medical cause for the excessive hair growth. B. Rarely, excessive hairs maybe due to underlying medical problems. These conditions are associated with hormonal disturbances resulting in extra hair growth. Besides excessive hairs, these…
