Prurigo excoriée treated with low dose naltrexone (Abstract)

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Prurigo excoriée treated with low dose naltrexone

BMJ Case Rep
19 November 2021

A 53-year-old woman presented with a 25-year history of acne excoriée and prurigo excoriée. Her symptoms began in 1988 coinciding with her husband's death from a brain tumour when she was 27. The pruritus affected her quality of life and disturbed her sleep. She had scarring on her face and body resulting from persistent scratching. The pruritus proved refractory to treatment despite a multi-modal treatment approach including multiple topicals, phototherapy and systemic agents such as isotretinoin, antibiotics, anxiolytic agents and neuromodulators. She was extremely frustrated that various treatments had been ineffective at controlling the itch-scratch cycle. She was commenced on low dose naltrexone (LDN), 3 mg nocte, and she became itch free within a few weeks. She reports that the LDN has had a beneficial impact on her quality of life.

Keywords: dermatology; pharmacology and therapeutics.