Table 2.
Dermatological diseases associated with chronic pruritus and prurigo, and chronic pruritus/prurigo without skin lesions from other dermatoses.2, 11
| Dermatological diseases associated with chronic prurigo | Chronic prurigo without skin lesions from other dermatoses | ||
|---|---|---|---|
| Inflammatory or parasitic skin diseases | Atopic dermatitis, lichen planus, scabies, lichen simplex chronicus | Infectious/parasitic conditions | Gastrointestinal parasitoses, chronic hepatitis, HIV infection |
| Drug-related prurigo | Contact eczema, Adverse drug reactions | Metabolic diseases or endocrinopathies | Acquired perforating dermatoses, chronic renal failure, cholestatic liver diseases, hyper/hypothyroidism, nodular amyloidosis |
| Autoimmune diseases | Autoimmune bullous dermatoses (dermatitis herpetiformis, bullous pemphigoid, linear IgA dermatosis, pemphigus vegetans) | Drugs | Angiotensin converting enzyme (ACE) inhibitors, angiotensin receptor antagonists, morphine, amiodarone, hydrochlorothiazide, allopurinol, etc. |
| Genodermatoses | Transient acantholytic dermatosis (Grover's disease), Darier's disease | Psychiatric | Psychotic or neurotic conditions |
| Neoplastic diseases | Cutaneous T- or B-cell lymphoma, leukaemia cutis | Neuropathic causes | Brachioradial pruritus |
| Postherpetic neuralgia | |||
| Polyneuropathy or mononeuritis | |||
| Psychiatric diseases | Pruritus associated with anxiety, depression, or other psychiatric conditions | Venous stasis | Prurigo nodularis due to the pruritus and scratching of varicose veins |