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Fitzpatrick's Dermatology in General Medicine, 7e
| Part 5. Neurocutaneous and Psychocutaneous Aspects of Skin Disease > Section 18. Neurocutaneous and Psychocutaneous Skin Disease > |
Prognosis and Clinical Course
Sections: Prognosis
and Clinical Course, Itch Caused
by Skin Disorders, Pruritus in
Atopic Dermatitis, Psoriasis , Neuropathic
Itch, Postherpetic
Neuralgia, Notalgia Paresthetica, Brachioradial
Pruritus, Systemic Itch, Pruritus of
Chronic Renal Disease, Pruritus of
Cholestasis, Pruritus of
Endocrine Disease, Pruritus in
Hematologic Disease and Lymphoreticular Malignancy, Pruritus as
a Manifestation of Solid Malignant Tumors, Pruritus of
Human Immunodeficiency Virus Infection, Psychogenic
Itch, Miscellaneous
Types of Itch, Senescent Skin
and Itch, Itch Associated
with Burns and Scars, Aquagenic Pruritus.
Topics Discussed: aquagenic pruritus; atopic dermatitis; brachioradial pruritus; burns; cholestatic pruritus; cicatrix; endocrinologic disorders; hematologic disorders; hiv; kidney failure, chronic; notalgia paresthetica; post-herpetic neuralgia; pruritus; psoriasis; psychogenic pruritus; solid tumour.
Excerpt:
"Generalized pruritus can wax and wane. Changes in the clinical
presentation may be associated with seasonal changes, such as exacerbation
of atopic dermatitis in the winter, or changes between dry and humid
environments. Pruritus associated with underlying internal disease
is often multifactorial, involving both systemic and external factors,
including ambient temperature and humidity. Chronic itch associated
with skin disease may also include central neural sensitization.(See Chap. 14)Postherpetic neuralgia commonly has neuropathic pain; and often,
associated neuropathic itch as well. Pruritus commonly accompanies
both acute zoster and postherpetic neuralgia, particularly lesions
affecting the head, face, and neck.69(See Chap. 151)Itch is the most common dermatologic symptom among people over
65 years of age.96,97 At least 50 percent of persons
aged 70 years or older suffer from prolonged bouts of troublesome pruritus.
Idiopathic itch in the elderly, sometimes referred to inappropriately
as senile pruritus, is common and presents
a diagnostic and therapeutic challenge. Itch in senescent skin can
result from a variety..."
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