Folliculitis can lead to furuncles (boils) or carbuncles (large furuncles). However, most furuncles do not develop from a preexisting folliculitis. The furuncle is a deep-seated, red, inflamed, tender nodule. Furuncles…
Treatment: Treatment requires prompt recognition of symptoms and immediate intravenous antibiotic therapy. Any close contacts of the patient should be screened for evidence of disease and given prophylactic oral therapy…
Pathogenesis: C. trachomatis is a gram-negative obligate intracellular bacterium. It is unique in that it has no ability, or only limited ability, to produce its own adenosine triphosphate (ATP) energy…
Pediculosis pubis (pubic lice infestation) is a commonly acquired sexually transmitted disease. The pubic louse, Phthirus pubis, is structurally different from the body or head louse and can easily be…
Pathogenesis: P. humanus capitis affects humans and has a high propensity to infest the scalp. These lice live on the host and periodically take a blood meal from the scalp…
A Tzanck preparation is a long-used bedside procedure that takes only a few minutes to perform and is positive in cases of HSV1, HSV2, or varicella-zoster virus (VZV) infection. The…
Alternatively, after it enters the cell’s nucleus, the virus may become latent. This is particularly the case in neural tissue. The viral DNA inserts itself into the host DNA, where…
Herpes labialis is the term given to recurrent episodes of oral labial herpes. The episodes are milder than the primary infection and often start with a prodrome. Most patients complain…
A kerion is a boggy plaque found on occasion in tinea capitis that results from a massive immune inflammatory response to the causative fungal agent. The fungi most likely to…
