HERPES SIMPLEX VIRUS Print Section Listen HERPETIC GINGIVOSTOMATITIS Primary herpetic gingivostomatitis is caused by herpes simplex virus 1 (HSV-1) infection in children and characterized by painful vesicular lesions of the…
INTRODUCTION Print Section Listen Cutaneous fungal infections are categorized as follows: Superficial: infecting the stratum corneum, hair, and nails. The three major genera are Trichophyton, Microsporum, and Epidermophyton. The term…
DRUG HYPERSENSITIVITY ERUPTIONS Print Section Listen A drug hypersensitivity reaction is an adverse, allergic response to an ingested or parenterally administered drug characterized by a cutaneous eruption. There are several…
PEDICULOSIS CAPITIS Print Section Listen Pediculosis capitis is an infestation of the scalp by the head louse, which feeds on the human scalp and neck and deposits its eggs on…
IMPETIGO Print Section Listen Impetigo is a common superficial infection of the skin characterized by honey-colored crusts or bullae, typically caused by Staphylococcus aureus, sometimes caused by Streptococcus pyogenes, or…
CUTANEOUS LARVA MIGRANS Print Section Listen Cutaneous larva migrans is a skin infestation caused by nematode larvae that penetrate the skin and migrate leaving a characteristic erythematous, serpiginous burrow underneath…
PHYSIOLOGIC SKIN FINDINGS IN THE NEWBORN Print Section Listen VERNIX CASEOSA Vernix, derived from the same root as varnish, is the whitish-gray covering on newborn skin and is composed of…
ROCKY MOUNTAIN SPOTTED FEVER Print Section Listen Rocky Mountain spotted fever (RMSF), the most severe of the rickettsial infections, is characterized by sudden onset of fever, severe headache, myalgia, and…
PHOTOSENSITIVITY: IMPORTANT REACTIONS TO LIGHT Print Section Listen The term photosensitivity describes an abnormal response to light, usually referring to ultraviolet radiation (UVR). The two broad types of acute photosensitivity…
JUVENILE RHEUMATOID ARTHRITIS Print Section Listen Juvenile rheumatoid arthritis (JRA) is a generalized systemic disease of unknown etiology characterized by a transient macular, papular, or urticarial rash and ensuing fever,…
