Itch without a Rash

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<Index>

 

Definition

-  Pruritus in the absence of visible skin pathology

 

Features

-  Localised vs generalized

 

Causes

-  Localised

-  Notalgia paraesthetica

-  Brachioradial prutitis

-  Generalised

-  Asteatosis (Dry skin)

-  Lymphoma (esp Hodgkins), Leukaemia (esp CLL), MM

-  CRF

-  Cholestasis

-  Meds: diuretics, antilipids, ACEI

-  Polycythemia rubra vera, IDA, Macroglobulinaemia

-  Hypo/hyperthyroidism, Hyperparathyroidism

-  Stress, anxiety, depression, phobias, OCD, hypochondriasis

-  Stroke, brain abscess, MS, brain tumour

-  HIV, parasitic infection

 

Ix

-  +/- FBE, CRF, LFT, TFT

 

Mx

-  As per cause

-  +/- Emoliants

-  +/- Topical antipruritics: menthol 1% in aqueous cream

-  +/- Antihistamines

-  +/- Topical Corticosteroids

 

 

 

References

 

eTG: Itch without Rash