PRURITUS (DDD)

Anemia
Pellagra
Scabies
Pediculosis
Atopic dermatitis
Contact dermatitis
Urticaria
Lichen planus
Pompholyx (Dyshydrotic eczema )
Dermatitis herpitiformis
Miliaria
Lichen simplex chronicus
Mycosis fungoides
Sezary syndrome
Dermographism
PUPPP
Drug eruption
Prurigo
Prurigo gestations ( Besnier )
Prurigo (pruritus) gravidarum (intrahepatic cholestasis of pregnancy )
Actinic prurigo
Chronic prurigo of adults
Dermographic prurigo
Prurigo pigmentosa
Prurigo of Hebra ( in atopics )
Prurigo nodularis
Prurigo simplex
Seborrheic dermatitis
Polymorphous light eruption
Urticaria pigmentosa
Fungal skin infections
Xerotic (asteatotic) eczema
Psoriasis
Erythrasma
Intertrigo
Folliculitis
Anal fissure
Stasis eczema
Generalized Pruritus
Hyper or hypothyroidism
Subclinical drug reactions
Recreational drug abuse
Multiple sclerosis
Brachioredial dermatitis
Notalgia paresthetica
Carcinoid syndrome
Parasitic infestations
Cutaneous larva migrans
Creeping eruption
Swimmer’s itch
Cercarial dermatitis
Exogenous causes
Senile pruritus
Delusion of parasitosis
Neurotic excoriations
Dermatitis artifacta (factitial dermatitis)
Definition
PATHOPHYSIOLOGY
CAUSES OF PRURITUS
REGIONAL CLASSIFICATION
WITH AN IDENTIFIABLE SKIN DISEASE (ITCHY DERMATOSES)
Severely pruritic dermatoses
Pemphigoid(herpes) gestation
Types of prurigo
Moderately pruritic dermatoses
Conduloma accuminata (perianal genital warts)
ESSENTIAL (IDIOPATHIC) PRURITUS
Pruritus with underlying systemic disease
Liver diseases : obstructive biliary disease & pregnancy (intrahepatic cholestasis)
Malignancy : Hodgkins lymphoma
Hematological : paraproteinemia & polycythemia vera
Chronic renal failure ( late stage )
Diabetes mellitus especially anogenital
Neurological disease
Pruritus with a non detectable skin disease
Infestations
Miscelaneous
dry skin (xerotic)
mechanical irritation dermatitis e.g. wool
HIV RELATED
Pruritus of psychogenic origin
Anxiety or depression
Neurodermatitis (generalized localized : L.S.Chronicus)