Demodex, demodicosis - DermNet
网页2016年12月28日 · Demodex is the name given to tiny mites that live in the hair follicle. In humans, demodex is found on facial skin, especially the forehead, cheeks, sides of the nose, eyelashes and external ear canals. It sometimes causes a condition called demodicosis. There are two mites principally involved in human demodex infestations, Demodex ...
Demodicosis pathology - DermNet
网页Histology Special studies Differential diagnosis. Demodicosis is caused by two species of follicular mites, Demodex folliculorum and Demodex brevis, which are normal inhabitants of human skin. Although the mites are ubiquitous on sebaceous -rich skin, they sometimes cause dermal reaction and consequent erythema, pustules, and inflammatory plaques.
Scalp folliculitis - DermNet
网页Mites (Demodex folliculorum) What is the treatment for scalp folliculitis? The scalp affected by folliculitis should be washed with a mild normal shampoo as often as desired. Antidandruff shampoos containing antifungal agents such as ketoconazole or ciclopirox are sometimes helpful. Conditioner can be used if desired.
Microorganisms found on the skin - DermNet
网页Bacterial species are by far the most numerous; however fungi, viruses and mites are also found on the skin of normal healthy humans. Resident microorganisms. Resident microbiota are found in the upper parts of the epidermis and congregated in and around the hair follicles. They include: Staphylococcus (see coagulase negative staphylococci ...
Folliculitis - DermNet
网页Folliculitis on the face or scalp of older or immunosuppressed adults may be due to colonisation by hair follicle mites (demodex). This is known as demodicosis. The human infestation, scabies, often provokes folliculitis, as well as non-follicular papules, vesicles and pustules. Folliculitis due to irritation from regrowing hairs
Neutrophilic sebaceous adenitis - DermNet
网页Neutrophilicsebaceous adenitis is a rare inflammatorydermatosis that most commonly affects the face and torso of young men. It is a form of sebaceous adenitis and is characterised by annular or arcuateplaques on the face and trunk, which on biopsy show a mononuclear infiltrate around blood vessels and follicles, in addition to revealing several ...
Rosacea: Symptoms, Causes, and Management - DermNet
网页Rosacea is a chronic inflammatory skin condition predominantly affecting the central face and most often starts between the age of 30–60 years. Rosacea is common and is characterised by persistent facial redness. It typically has a relapsing and remitting course, with symptoms controlled by lifestyle measures, general skin care, medications ...
Insecticides and the skin - DermNet
网页Insecticides used in dermatology are products designed to kill insects such as lice (head lice, pubic lice, body lice), mites (scabies, bird mites), ticks, mosquitoes and fleas. Most of these insecticides are topical preparations (such as creams, lotions, shampoos, foams or sprays). Ivermectin is a systemic medication used to treat selected ...
Ocular rosacea - DermNet
网页Demodex mites, normal inhabitants of eyelash follicles, may stimulate inflammation in ocular rosacea and anterior blepharitis. Bacteria may play a role, as ocular rosacea improves with antibiotics. One theory is that bacterial lipases release toxic free fatty acids and glycerides from lipids secreted by meibominan glands.
Skin Conditions A-Z - DermNet
网页A to Z directory of skin diseases, conditions, and their treatments from DermNet.