A furuncle (boil) is a painful deep folliculitis that forms around a hair follicle and leads to abscess formation with accumulation of pus and necrotic tissue. A carbuncle is collection of furuncles that develop under the epidermis (in the dermis)…. Read More »


Folliculitis is a bacterial dermatological infection of the hair follicles that is usually caused by s. aureus. Less commonly, Folliculitis can be caused by p. aeruginosa. It is characterized by an inflammatory nodule or superficial pustule surrounding the hair follicle…. Read More »


Herpes zoster (shingles) is a viral infectious dermatological disease caused by varicella zoster virus, it is characterized by painful dermal rash with blisters affecting one side of the body and presenting in a form of a stripe, that is to say herpes is usually limited to an area… Read More »


Lichen planus is a chronic inflammatory condition characterized by recurring episodes of intense itching (pruritus) and distinctive lesions affecting the skin and mucous membranes. While its exact cause remains elusive, certain medications, such as gold or bismuth, have been implicated in triggering this condition. Clinically, lichen planus presents with oral lesions and small, flat-topped papules on the skin, which can progress to form rough, scaly patches…. Read More »


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