Prurigo nodularis is a skin condition characterized by intensely itchy nodules on the arms and legs. This condition usually occurs in adulthood and can persist for a very long time.
Symptoms
- Itchy skin nodules: Round, hard, and can vary in size.
- Redness and swelling: Around the nodules.
- Scarring and pigmentation change: After the nodules heal, scars or dark spots may remain on the skin.
- Chronic itch: This can lead to further skin damage due to scratching.
Causes
- Immune system responses: Abnormal reactions that contribute to skin inflammation.
- Genetic factors: Predispositions that make a person more susceptible to the condition.
- Other skin conditions: Such as eczema or psoriasis.
- Nerve disorders: Damage or dysfunction of nerves in the skin.
Diagnosis
- Physical examination: Observation of the characteristic skin nodules.
- Medical history: Discussion of symptoms, duration, and previous skin problems.
- Skin biopsy: To exclude other conditions.
Treatment
- Topical medications: Steroid creams or ointments.
- Light therapy: Ultraviolet light treatments.
- Oral medications: Antihistamines or corticosteroids.
- Injections: Medication directly into the nodules or biologicals against eczema.
Self-care tips
- Moisturizing: Use hydrating creams or ointments.
- Short nails: To minimize skin damage from scratching.
- Gentle skin care products: Avoid irritants.
- Cooling lotions: Products with menthol or calamine.
Links: Find even more information at the following websites.
English
- DermNet NZ on Prurigo
- British Association of Dermatologists on Nodular Prurigo
- Medscape on Prurigo Nodularis
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