#eczema  generic term for inflammatory conditions of the skin; particularly with vesiculation in the acute stages
  supertype:  #skin_disease__disease_of_the_skin__skin_disorder__skin_problem__skin_condition  a disease affecting the skin
  subtype:  #dermatitis  inflammation of the skin; skin becomes itchy and may develop blisters
     subtype:  #actinic_dermatitis  dermatitis caused exposure to sunlight
     subtype:  #atopic_dermatitis__atopic_eczema  dermatitis characterized by atopy
     subtype:  #contact_dermatitis  a delayed type of allergic reaction of the skin resulting from skin contact with a specific allergen (such as poison ivy)
        subtype:  #bubble_gum_dermatitis  an allergic contact dermatitis developed around the lips of children who chew bubble gum
        subtype:  #Rhus_dermatitis  contact dermatitis resulting from contact with plants of the genus Toxicodendron
           subtype:  #poison_ivy  dermatitis resulting from contact with the poison ivy plant
           subtype:  #poison_oak  dermatitis resulting from contact with a poison oak plant
           subtype:  #poison_sumac  dermatitis resulting from contact with a poison sumac plant
     subtype:  #cradle_cap  a dermatitis of the scalp that is common in infants
     subtype:  #diaper_rash__diaper_dermatitis  dermatitis of the thighs and buttocks of infants; supposedly caused by ammonia in the urine in the child's diapers
     subtype:  #hypericism  a severe dermatitis of herbivorous domestic animals attributable to photosensitivity from eating Saint John's wort
     subtype:  #neurodermatitis__neurodermatiti  dermatitis in which localized areas (especially the forearms or back of the neck or outer part of the ankle) itch persistently; cause is unknown
     subtype:  #schistosome_dermatitis__swimmer's_itch__swimmer'sitch  a sensitization reaction to repeated invasion of the skin by cercariae of schistosomes (human or animal)
     subtype:  #seborrheic_dermatitis__seborrheic_eczema  a chronic skin disease associated with seborrhea and greasy scales on the scalp or eyelids or other parts of the skin
  subtype:  #allergic_eczema  eczema caused by an allergic reaction
     subtype:  #baker's_eczema__baker'seczema  allergic eczema caused by flour or other ingredients handled by bakers
  subtype:  #eczema_herpeticum  eczema characterized by a feverish condition and widespread eruption of vesicles; most common in children
  subtype:  #lichtenoid_eczema__chronic_eczema__chroniceczema__eczema_hypertrophicum  eczema characterized by thickening of the skin with accentuated skin lines

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