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  • Presentation

Pearls: Diagnostic and Therapeutic

Description

The discussion revolves around various diagnostic and therapeutic pearls in dermatology, primarily focusing on managing itching and skin conditions. Key treatments include the use of strontium-containing products, such as Derma Leaves, for localized itch relief, and mirtazapine for resistant widespread pruritus. Naltrexone shows promise for itch management in chronic conditions, while acetylcysteine demonstrates efficacy in grooming disorders like trichotillomania. Other notable therapies discussed include oral retinoids for Haley-Haley disease, topical treatments for scabies, and innovative uses of antiperspirants for foot odor. The session emphasizes off-label drug usage, cost-effective solutions, and the importance of patient engagement through educational methods. Various mini pearls address specific conditions, surgeries, and treatment failures, promoting awareness of non-conventional approaches and the significance of biopsies for unilateral rashes. The speaker encourages audience participation in sharing their medical pearls and invites further discussion, hinting at a continuing interest in unconventional dermatological treatments.

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Conclusions

  • Localized neuropathic pruritus can be effectively managed using topical strontium products like Dermeleve, which interferes with calcium-dependent itch signaling.
  • Mirtazapine is recommended as a first-line treatment for widespread or resistant localized pruritus, often preferred over gabapentin.
  • Butorphanol nasal spray is a viable second-line option for pruritus, offering rapid relief lasting several hours.
  • Naltrexone shows promising results for treating various types of pruritus, with a significant response in a considerable proportion of patients.
  • N-acetylcysteine may help mitigate symptoms of grooming disorders, including nail-biting and trichotillomania, especially at higher doses.
  • Low-dose naltrexone has potential application in conditions like Hailey-Hailey disease and various pruritic skin disorders.
  • Acitretin is effective in treating Hailey-Hailey disease with reported success at lower doses over time.
  • Topical treatments like 3% cinacalcet ointment have shown rapid improvement in Hailey-Hailey disease symptoms.
  • Using ultrasound gel can enhance the effectiveness of cryotherapy in treating warts.
  • Spironolactone can be beneficial for treating acne, hirsutism, and androgenetic alopecia in women, warranting a minimum three-month trial period for efficacy assessment.
  • It is crucial to consider scabies in resistant eczema cases, especially when family members also exhibit itching symptoms.
  • J Psychiatry Neurosci. 2011 Mar; 36(2): 78-86. PMCID: PMC3044191 doi: 10.1503/jpn.100057 N-acetylcysteine in psychiatry: current therapeutic evidence and potential mechanisms of action Olivia Dean, BSc, PhD, Frank Giorlando, MBBS, BMedSc, and Michael Berk, MBBCh, MMed(Psych), PhD
  • Successful Treatment Of Hailey-Hailey Disease With Acitretin. Berger EM, Galadari HI, Gottlieb AB. J Drugs Dermatol. 2007 Jul;6(7):734-6.
  • From: Treatment of Hailey-Hailey Disease With Low-Dose Naltrexone JAMA Dermatol. 2017;153(10):1018-1020.
  • DOI: 10.1097/01.jcp.0000264976.86990.00 N Acetyl Cysteine Journal of Clinical Psychopharmacology Issue: Volume 27(2), April 2007, pp 227-229
  • Nguyen CV, Zheng L, Zhou XA, et al. High-Dose Vitamin D for the Management of Toxic Erythema of Chemotherapy in Hospitalized Patients. JAMA Dermatol. 2023;159(2):219-222.
  • Tomsitz, D, Biedermann T J Eur Acad Dermatol Venereol. 2022 Jan;36(1):e52-e54.