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glossary:trichomycosis_axillaris [2012/10/16 14:40] (current)
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|+||Trichomycosis axillaris is a relatively common superficial bacterial colonization of the axillary hair shafts. Granular concretions, which are yellow, black, or red, adhere to the hair shaft and clinically characterize this condition.|
|+||It is caused by the overgrowth of [[Corynebacterium]] (mostly Corynebacterium tenuis) and basically the concretions consist of tightly packed [[bacteria]]. They prefer moist areas of the body thus mainly affect underarm hair, and to a lesser extent, pubic hair (trichomycosis pubis). |
|+||Trichomycosis axillaris occurs in males and females of all races from both temperate and tropical climates. It appears to be more common in men than women but this is because many women shave their underarm hair.|
|+||Usually the condition is symptomless and all that is noticed is sweaty smelly armpits. On closer inspection, 1-2 mm yellow, red or black concretions can be found encircling the hair shaft, making the hair appear beaded or thicker. Sweat may be coloured according to the colour of the concretions and may stain clothing. Yellow concretions are the most common, whilst red and black are seen most often in tropical climates. Rarely, [[bacteria]] may invade and destroy the hair shaft. |
|+||Trichomycosis axillaris is a benign condition that does not have any complications. The fastest way to get rid of the problem is to clip the affected hairs or shave the area. Agents used to help treat and prevent the problem include benzoyl peroxide gel or wash formulations and topical antibacterial preparations of [[clindamycin]] or [[erythromycin]]. Antiperspirants are also useful because they reduce sweating. Keep the underarm clean and dry to prevent recurrences of the condition. |