Woolery-Lloyd, HC; Keri, J; Doig, S (Apr 1, 2013).
2 Touching and picking at comedones might cause irritation and spread infection.
A fourfold increase of drug concentration, however, did not produce an increase in activity.
8 A comedo may be open to the air blackhead or closed by skin whitehead.4 Genes may play a role in the chances of developing acne.19 20 Dowling-Degos disease is a genetic pigment disorder that includes comedo-like lesions and scars.2 Being open to the air causes oxidation, which turns it black.3 Nodules are inflamed, painful deep bumps under the skin.Retrieved b Davis, EC; Callender, VD (April 2010).Skin blanching was quantified by visual scoring and chromametry.CRC Press, Boca Raton, pp 389416 Google Scholar."Three cases of Dowling Degos disease in two families".3 7 Pathophysiology edit Multiple closed comedones at the nasolabial fold and the alar of the nose Comedones are associated with the pilosebaceous unit, which includes a hair follicle and sebaceous gland.
Pfister R (1981) Zur Problematik der Behandlung und Nachbehandlung chronischer Dermatosen.
Rare conditions edit FavreRacouchot syndrome occurs in sun-damaged skin and includes open and closed comedones.
The chronic inflammatory condition that usually includes both comedones and inflamed papules and pustules ( pimples ) is called acne.
In: Mukhtar H (ed) Pharmacology of the Skin.3 Excess keratin combined with sebum can plug the opening of the follicle.Met behulp van internet vind je alle acties razendsnel.Dtsch Apoth Ztg 125 Suppl 1: 911."Extraction of follicular horny impactions the face by polymers.Zesch A (1992) Clinical regulatory aspects of topical liposomal drugs with special consideration of safety aspects."Topical treatment in acne: current status and future aspects".Aertgeerts P, Albring M, Klaschka F, Nasemann Th, Patzelt-Wenczler R, Rauhut K, Weigl B (1985) Vergleichende Prüfung von Kamillosan Creme gegenüber steroidalen (0,25 Hydrocortison, 0,75 Fluocortinbutylester) und nichtsteroidalen (5 Bufexamac) Externa in der Erhaltungstherapie von Ekzemerkrankungen.Hamamelis PC-cream, however, appeared less potent than hydrocortisone.