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GENERALISED PRURITUS |
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dermatological causes: |
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infestations, eg. scabies, body liceinfections, eg. candidiasis, onchocerciasisallergies, eg. to house dust mite, drugsurticaria fibreglass exposure |
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non-dermatological causes: |
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drugs: |
acute drug eruptions (any drug)cocaine ('cocaine bug')opiates |
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liver disease : |
1� biliary cirrhosis other causes of obstructive jaundice [itching is caused by bile salts] |
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haematological disease: |
polycythaemia [especially following a hot bath] Hodgkin's lymphoma leukaemia multiple myeloma mycosis fungoides mastocytosis |
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endocrine disease: |
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malignancies [partly due to secretion of PTH-like peptides]: |
bronchial carcinoma renal cell carcinoma carcinoid |
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neurological disease: |
tabes dorsalis |
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other: |
pregnancy (last trimester)psychiatric disease (uraemia)sarcoidosis AIDS neurosis Sjogren's syndrome |
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